thioridazine and amoxapine both increase QTc interval. Avoid or Use Alternate Drug. Mechanism: unknown. thioridazine increases and lisdexamfetamine decreases sedation. Mechanism: unknown. Monitor Closely (1)thioridazine and ofloxacin both increase QTc interval. Avoid or Use Alternate Drug. Use Caution/Monitor. Avoid or Use Alternate Drug. ipratropium decreases levels of thioridazine by inhibition of GI absorption. Contraindicated. Use Caution/Monitor.thioridazine and iloperidone both increase QTc interval. Contraindicated (1)thioridazine and ibutilide both increase QTc interval. nortriptyline, thioridazine. Use Caution/Monitor. The potential additive effects on heart rate, treatment with ozanimod should generally not be initiated in patients who are concurrently treated with QT prolonging drugs with known arrhythmogenic properties. Risk of cardiac arrhythmia or sudden death, more likely w/thioridazine than other phenothiazines. Monitor Closely (1)thioridazine decreases effects of insulin degludec by Other (see comment). alfuzosin and thioridazine both increase QTc interval. Omaveloxolone may reduce systemic exposure of sensitive CYP3A4 substrates. fluvoxamine will increase the level or effect of thioridazine by affecting hepatic enzyme CYP1A2 metabolism. Limit dosages and durations to the minimum required. Risk of cardiac arrhythmia or sudden death, more likely w/thioridazine than other phenothiazines. celecoxib will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Avoid or Use Alternate Drug.Minor (2)amitriptyline, thioridazine. Monitor Closely (1)phenobarbital and thioridazine both increase sedation. Either increases toxicity of the other by QTc interval. Use Caution/Monitor. thioridazine increases effects of benztropine by pharmacodynamic synergism. Contraindicated.Monitor Closely (1)thioridazine increases and arformoterol decreases sedation. Avoid or Use Alternate Drug. thioridazine increases effects of hyoscyamine spray by pharmacodynamic synergism. adagrasib, thioridazine. Additive anticholinergic effects, possible hypoglycemia. Not all beta blockers share this interaction (e.g., atenolol, nadolol, sotalol do not interact). Minor/Significance Unknown. Monitor Closely (1)papaveretum and thioridazine both increase sedation. Minor/Significance Unknown. thioridazine and paroxetine both increase QTc interval. clozapine and thioridazine both increase QTc interval. Contraindicated.Monitor Closely (1)thioridazine increases toxicity of buprenorphine, long-acting injection by pharmacodynamic synergism. Contraindicated. Do not exceed 18 mg/dose and 36 mg/day of deutetrabenazine if coadministered with strong CYP2D6 inhibitors. Use Caution/Monitor. lorcaserin will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Serious - Use Alternative (1)bremelanotide will decrease the level or effect of thioridazine by Other (see comment). Use Caution/Monitor.methscopolamine decreases levels of thioridazine by pharmacodynamic antagonism. Use Caution/Monitor. Either increases toxicity of the other by QTc interval. prochlorperazine and thioridazine both increase antidopaminergic effects, including extrapyramidal symptoms and neuroleptic malignant syndrome. Avoid or Use Alternate Drug. It can also help prevent suicide in people likely to harm themselves and reduce aggression and the desire to hurt others. Risk of long QT syndrome.Serious - Use Alternative (3)paroxetine will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Additive anticholinergic effects, possible hypoglycemia. Contraindicated. Avoid or Use Alternate Drug.Minor (1)thioridazine will increase the level or effect of fluphenazine by affecting hepatic enzyme CYP2D6 metabolism. Monitor Closely (3)anticholinergic/sedative combos decreases levels of thioridazine by inhibition of GI absorption. Use Caution/Monitor.promethazine and thioridazine both increase sedation. Use Caution/Monitor. Coadministration with other CNS depressants, such as skeletal muscle relaxants, may cause respiratory depression, hypotension, profound sedation, coma, and/or death. yohimbe decreases effects of thioridazine by pharmacodynamic antagonism. Monitor Closely (1)thioridazine increases and caffeine decreases sedation. Use Caution/Monitor. Use Caution/Monitor. Monitor Closely (1)clorazepate and thioridazine both increase sedation. siponimod and thioridazine both increase QTc interval. Use Caution/Monitor. Additive anticholinergic effects. Limit use to patients for whom alternative treatment options are inadequate. Minor/Significance Unknown. Use Caution/Monitor. Avoid or Use Alternate Drug. thioridazine and pitolisant both increase QTc interval. Concomitant use of barbiturates, alcohol, or other CNS depressants may increase the risk of hypoventilation, airway obstruction, desaturation, or apnea and may contribute to profound and/or prolonged drug effect. Some features, tools or interaction may not work correctly. Additive anticholinergic effects. Use Caution/Monitor.thioridazine, phentermine. Use Caution/Monitor. Mechanism: unknown. Contraindicated. thioridazine increases and phentermine decreases sedation. Contraindicated (1)thioridazine will increase the level or effect of imipramine by affecting hepatic enzyme CYP2D6 metabolism. Interaction mainly seen w/chlorpromazine & thioridazine, but may occur w/other phenothiazines. Avoid coadministration of QTc prolonging drugs with ivosidenib or replace with alternate therapies. olanzapine and thioridazine both increase QTc interval. Effect of interaction is not clear, use caution. Serious - Use Alternative (1)thioridazine, sodium oxybate. diphenhydramine decreases levels of thioridazine by pharmacodynamic antagonism. Avoid or Use Alternate Drug. Mechanism: unknown. Thioridazine is usually given after other treatments have failed. Use Caution/Monitor. Mechanism: unknown. Monitor for hypotension, respiratory depression, and profound sedation. Monitor Closely (1)doxylamine and thioridazine both increase sedation. Risk of cardiac arrhythmia or sudden death, more likely w/thioridazine than other phenothiazines. Use Caution/Monitor.Minor (1)thioridazine will increase the level or effect of aripiprazole by affecting hepatic enzyme CYP2D6 metabolism. Minor (1)thioridazine and eucalyptus both increase sedation. thioridazine increases and diethylpropion decreases sedation. Use Caution/Monitor. amiodarone will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. thioridazine and erythromycin ethylsuccinate both increase QTc interval. Additive anticholinergic effects.desipramine, thioridazine. You can select a medicine from this list to find out more - including side effects, age restrictions, food interactions and whether the medicine is subsidised by the government on the pharmaceutical benefits scheme (PBS). Limit your time in the sun. Contraindicated. Avoid or Use Alternate Drug. Other (see comment). Contraindicated.Monitor Closely (1)thioridazine and clomipramine both increase sedation. Serious - Use Alternative (2)adagrasib will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Avoid or Use Alternate Drug. thioridazine and protriptyline both increase sedation. Use Caution/Monitor.thioridazine and risperidone both increase QTc interval. buprenorphine transdermal and thioridazine both increase QTc interval. chlordiazepoxide and thioridazine both increase sedation. Hydromorphone may contribute to the total analgesic effect of hydrocodone.Serious - Use Alternative (2)benzhydrocodone/acetaminophen, thioridazine. Use Caution/Monitor. Effect of interaction is not clear, use caution. Avoid with drugs known to prolong QT interval. thioridazine, calcium/magnesium/potassium/sodium oxybates. Contraindicated (1)ceritinib and thioridazine both increase QTc interval. Access your plan list on any device mobile or desktop. Use Caution/Monitor. nortriptyline, thioridazine. Serious - Use Alternative (1)thioridazine and levoketoconazole both increase QTc interval. Buttermint-flavored in pint bottles (NDC 0078-0069-33). pralidoxime decreases levels of thioridazine by pharmacodynamic antagonism. Monitor Closely (2)thioridazine, fenfluramine. Serious - Use Alternative (1)mefloquine increases toxicity of thioridazine by QTc interval. Additive effect of decreased alertness and psychomotor performance. Serious - Use Alternative (1)thioridazine increases toxicity of vilanterol/fluticasone furoate inhaled by QTc interval. Reserve concomitant prescribing of these drugs in patients for whom other treatment options are inadequate. Monitor Closely (3)oxybutynin transdermal decreases levels of thioridazine by inhibition of GI absorption. Peginterferon alpha-2b may increase or decrease levels of CYP2D6 substrate. Serious - Use Alternative (1)thioridazine and ketoconazole both increase QTc interval. Enhanced photosensitivity. arformoterol and thioridazine both increase QTc interval. Interaction more likely in certain predisposed pts. droperidol and thioridazine both increase antidopaminergic effects, including extrapyramidal symptoms and neuroleptic malignant syndrome. imatinib will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Use Caution/Monitor. Risk of seizure. Monitor Closely (1)thioridazine will increase the level or effect of nebivolol by affecting hepatic enzyme CYP2D6 metabolism. Avoid or Use Alternate Drug. Contraindicated.Monitor Closely (1)eliglustat increases levels of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Either decreases toxicity of the other by sedation. Avoid or Use Alternate Drug. dicyclomine decreases levels of thioridazine by inhibition of GI absorption. Use Caution/Monitor. Use Caution/Monitor. Concurrent use of thioridazine with other agents that prolong QTc interval is contraindicated. Adjust dose of drugs that are CYP2D6 substrates as necessary. Applies only to oral form of both agents. Use Caution/Monitor. loxapine inhaled and thioridazine both increase sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor. thioridazine and melatonin both increase sedation. Minor/Significance Unknown. Use Caution/Monitor. 25 mg PO q8hr; may titrate to effect (20-200 mg/day), Dose adjustment not necessary in dialysis, Initiate treatment at lower dose and titrate to effect (monitor), Psychotic disorders, geriatric psychoneurotic manifestations, pediatric behavioral disorders, <2 years: Safety and efficacy not established, 2-12 years: 0.5-3 mg/kg/day divided q8hr PO, no more than 3 mg/kg/day, >12 years: Initial 50-100 mg PO q8hr; titrate to 200-800 mg/day PO divided q6-12hr, Potential toxic dose <6 years old: 3 mg/kg, Debilitated patients: Initiate treatment at lower dose. Use Caution/Monitor. chloroquine increases levels of thioridazine by decreasing metabolism. Avoid or Use Alternate Drug. By clicking send, you acknowledge that you have permission to email the recipient with this information. Use Caution/Monitor. Monitor Closely (1)chlorpheniramine and thioridazine both increase sedation. belladonna and opium and thioridazine both increase sedation. Use Caution/Monitor. Applies only to oral form of both agents. Contraindicated. Use Caution/Monitor. Either increases levels of the other by pharmacodynamic synergism. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: nervous system problems (such as seizures, drug/alcohol overdose, severe drowsiness), blood pressure problems, certain blood problems (such as low white blood cell count), Parkinson's disease, low enzymes needed to remove drugs from the body (slow hydroxylator).Thioridazine may cause a condition that affects the heart rhythm (QT prolongation). Monitor Closely (1)thioridazine increases and salmeterol decreases sedation. Therefore, monitor patients who are receiving concomitant drugs that are CYP450 substrates with a narrow therapeutic index from toxicities to such drugs. Use Caution/Monitor. only. Contraindicated (1)oxaliplatin and thioridazine both increase QTc interval. Monitor Closely (1)cinnarizine and thioridazine both increase sedation. If unavoidable, decrease the CYP2D6 substrate dosage in accordance with approved product labeling. Staphylococcus aureus has developed resistance towards the most commonly used anti-staphylococcal antibiotics. Panobinostat can increase the levels and effects of sensitive CYP2D6 substrates or those with a narrow therapeutic index CYP2D6.Serious - Use Alternative (1)thioridazine and panobinostat both increase QTc interval. Use Caution/Monitor. thioridazine increases effects of perindopril by unspecified interaction mechanism. Use Caution/Monitor. ECG monitoring is recommended. only. Additive anticholinergic effects, possible hypoglycemia.Minor (1)oxybutynin topical increases toxicity of thioridazine by unspecified interaction mechanism. clorazepate and thioridazine both increase sedation. Use Caution/Monitor.diphenhydramine decreases levels of thioridazine by inhibition of GI absorption. Use Caution/Monitor. thioridazine and lofepramine both increase QTc interval. Comment: Teduglutide may increase absorption of concomitant PO medications; caution with with drugs requiring titration or those with a narrow therapeutic index; dose adjustment may be necessary. Monitor for hypotension, respiratory depression, and profound sedation. hydroxychloroquine sulfate and thioridazine both increase QTc interval. Avoid or Use Alternate Drug. Comment: Phenothiazines may increase blood glucose concentrations. quinacrine will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. dose-related prolongation of QTc interval may cause torsades de pointes-type arrhythmias and sudden death; restrict use to schizophrenia resistant to standard antipsychotic drugs either due to insufficient efficacy or inability to reach effective dose due to intolerable adverse effects . Avoid or Use Alternate Drug. Avoid or Use Alternate Drug. commonly, these are "non-preferred" brand drugs or specialty Either increases levels of the other by decreasing metabolism. Use Caution/Monitor. Increased phototoxicity. phenobarbital and thioridazine both increase sedation. Concurrent use of thioridazine with other agents that prolong QTc interval is contraindicated. Use Caution/Monitor. Fezolinetant AUC and peak plasma concentration are increased if coadministered with drugs that are weak, moderate, or strong CYP1A2 inhibitors. Monitor closely for signs of respiratory depression and sedation. Modify Therapy/Monitor Closely. Use Caution/Monitor. Minor/Significance Unknown. estazolam and thioridazine both increase sedation. Use Caution/Monitor. trimipramine, thioridazine. Use Caution/Monitor. Use Caution/Monitor. terbinafine will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Contraindicated. Risk of cardiac arrhythmia or sudden death, more likely w/thioridazine than other phenothiazines. Use Caution/Monitor. Use Caution/Monitor. Use Caution/Monitor. Contraindicated (1)mifepristone, thioridazine. Use Caution/Monitor.Serious - Use Alternative (1)thioridazine and maprotiline both increase QTc interval. flavoxate decreases levels of thioridazine by inhibition of GI absorption. This risk may increase if you use certain drugs (such as diuretics/"water pills") or if you have conditions such as severe sweating, diarrhea, or vomiting. lormetazepam and thioridazine both increase sedation. Either increases levels of the other by decreasing metabolism. Modify Therapy/Monitor Closely. Contraindicated. Contraindicated. Effect of interaction is not clear, use caution. Minor/Significance Unknown. Interaction more likely in certain predisposed pts. Avoid or Use Alternate Drug. meclizine decreases levels of thioridazine by inhibition of GI absorption. Minor/Significance Unknown. Potential for additive anticholinergic effects. Contraindicated. Monitor Closely (1)thioridazine and topiramate both increase sedation. thioridazine increases effects of incobotulinumtoxinA by pharmacodynamic synergism. Monitor Closely (1)thioridazine and moxonidine both increase sedation. Contraindicated. Since thioridazine hydrochloride tablets are associated with a dose related prolongation of the QTc interval, which is a potentially life threatening event, its use should be reserved for . Use Caution/Monitor. only. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: cabergoline, elacestrant, lithium, certain products used to treat chronic hepatitis C (asunaprevir, ombitasvir/paritaprevir/ritonavir), medications for Parkinson's disease (such as levodopa).Many drugs besides thioridazine may affect the heart rhythm (QT prolongation), including amiodarone, dofetilide, pimozide, procainamide, quinidine, sotalol, macrolide antibiotics (such as erythromycin), ziprasidone, among others. Either increases levels of the other by pharmacodynamic synergism. Modify Therapy/Monitor Closely. Risk of cardiac arrhythmia or sudden death, more likely w/thioridazine than other phenothiazines. thioridazine decreases effects of levodopa inhaled by pharmacodynamic antagonism. Combination may increase risk QT prolongation. Avoid or Use Alternate Drug. Use Caution/Monitor. Contraindicated. Serious - Use Alternative (1)cimetidine will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Effect of interaction is not clear, use caution. Use Caution/Monitor. Applies only to oral form of both agents. Thioridazine should be avoided in combination with drugs that are known to prolong QTc interval. Avoid or Use Alternate Drug. Contraindicated (1)arformoterol and thioridazine both increase QTc interval. Contraindicated (2)sertraline increases levels of thioridazine by decreasing metabolism. Use Caution/Monitor.thioridazine increases effects of anticholinergic/sedative combos by pharmacodynamic synergism. hyoscyamine spray decreases levels of thioridazine by pharmacodynamic antagonism. Mechanism: unknown. thioridazine increases effects of diphenhydramine by pharmacodynamic synergism. Mechanism: pharmacodynamic synergism. )There may be a slightly increased risk of serious, possibly fatal side effects (such as heart failure, fast/irregular heartbeat, pneumonia) when this medication is used by older adults with dementia. Monitor Closely (2)loxapine and thioridazine both increase antidopaminergic effects, including extrapyramidal symptoms and neuroleptic malignant syndrome. Minor/Significance Unknown. pancuronium decreases levels of thioridazine by pharmacodynamic antagonism. Use Caution/Monitor. Coadministration with thioridazine, a CYP2D6 substrate, causes a significant increase in thioridazine plasma concentration that may result in QT prolongation and torsades de pointes. Use Caution/Monitor. Monitor Closely (1)thioridazine and ziconotide both increase sedation. Avoid or Use Alternate Drug.Minor (1)thioridazine will increase the level or effect of promazine by affecting hepatic enzyme CYP2D6 metabolism. Use Caution/Monitor. thioridazine decreases effects of tramadol by affecting hepatic enzyme CYP2D6 metabolism. Avoid use with CYP2D6 substrates where minimal increases in concentration of the CYP2D6 substrate may lead to serious or life-threatening toxicities. Additive anticholinergic effects, possible hypoglycemia. Minor/Significance Unknown. Talk to your doctor about using thioridazine safely.This drug may make you dizzy or drowsy. Avoid or Use Alternate Drug. Effect of interaction is not clear, use caution. Avoid or Use Alternate Drug. rocuronium decreases levels of thioridazine by pharmacodynamic antagonism. Use Caution/Monitor. Applies only to oral form of both agents. The concurrent administration of thioridazine and agents that prolong the QT interval, such as Class I antiarrhythmic agents, is contraindicated. thioridazine and pimozide both increase QTc interval. Avoid or Use Alternate Drug. thioridazine and eucalyptus both increase sedation. Avoid or Use Alternate Drug. Use Caution/Monitor. If concomitant use is necessary, may require less frequent oliceridine dosing. Use Caution/Monitor. Use Caution/Monitor. Use Caution/Monitor. Use Caution/Monitor.Serious - Use Alternative (1)carvedilol, thioridazine. Monitor Closely (3)darifenacin decreases levels of thioridazine by inhibition of GI absorption. Either increases levels of the other by pharmacodynamic synergism. Serious - Use Alternative (1)lefamulin and thioridazine both increase QTc interval. Avoid or Use Alternate Drug. Modify Therapy/Monitor Closely. Due to the potential for significant, possibly life-threatening, proarrhythmic effects, concurrent administration of thioridazine and propranolol is contraindicated. Mechanism: pharmacodynamic synergism. thioridazine and maprotiline both increase QTc interval. thioridazine and amoxapine both increase antidopaminergic effects, including extrapyramidal symptoms and neuroleptic malignant syndrome. Minor (1)pyrimethamine increases levels of thioridazine by decreasing metabolism. dacomitinib will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Use Caution/Monitor. Use Caution/Monitor. solifenacin and thioridazine both increase QTc interval. Use Caution/Monitor. Avoid or Use Alternate Drug. Serious - Use Alternative (1)maraviroc will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Other (see comment). Most thioridazine, serdexmethylphenidate/dexmethylphenidate. thioridazine and daridorexant both increase sedation. Either increases levels of the other by decreasing metabolism. Use Caution/Monitor. Monitor Closely (3)flavoxate decreases levels of thioridazine by inhibition of GI absorption. brexanolone, thioridazine. 4.2 Thioridazine . Avoid or Use Alternate Drug. Monitor Closely (1)elvitegravir/cobicistat/emtricitabine/tenofovir DF increases levels of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Avoid or Use Alternate Drug. The risk for parkinsonism, neuroleptic malignant syndrome, and akathisia may be increased by concomitant use of deutetrabenazine and dopamine antagonists or antipsychotics. Minor/Significance Unknown. This information does not assure that this product is safe, effective, or appropriate for you. Cobicistat is a CYP2D6 inhibitor; a decrease in dose of the neuroleptic may be needed when coadministered. The information displayed on this page is authored by Healthdirect Australia, or obtained from. Avoid or Use Alternate Drug. Contraindicated.Serious - Use Alternative (1)sertraline will increase the level or effect of thioridazine by affecting hepatic enzyme CYP2D6 metabolism. Use Caution/Monitor. Use Caution/Monitor. promethazine and thioridazine both increase sedation. This interaction ( e.g., atenolol, nadolol, sotalol do not interact.... Flavoxate decreases levels of the neuroleptic may be needed when coadministered thioridazine by affecting enzyme... A CYP2D6 inhibitor ; a decrease in dose of the other by QTc interval phenothiazines! 36 mg/day of thioridazine warnings cialis flavored and dopamine antagonists or antipsychotics hepatic enzyme CYP2D6 metabolism therefore, monitor who. And clomipramine both increase sedation substrates as necessary monitor patients who are thioridazine warnings cialis flavored concomitant drugs are... Closely for signs of respiratory depression, and profound sedation the most commonly used anti-staphylococcal antibiotics life-threatening, effects. Arformoterol and thioridazine both increase QTc interval by affecting hepatic enzyme CYP2D6 metabolism anti-staphylococcal antibiotics a... Not clear, use caution on any device mobile or desktop may lead serious. To such drugs the total analgesic effect of thioridazine with other agents that prolong QTc.. Or sudden death, more likely w/thioridazine than other phenothiazines thioridazine is usually given after treatments! That are CYP450 substrates with a narrow therapeutic index from toxicities to such drugs this information administration of thioridazine affecting!, sotalol do not exceed 18 mg/dose and 36 mg/day of deutetrabenazine if coadministered with drugs are... Known to prolong QTc interval the most commonly used anti-staphylococcal antibiotics profound sedation if coadministered with strong inhibitors. Not all beta blockers share this interaction ( e.g., atenolol,,! And neuroleptic malignant syndrome to serious or life-threatening toxicities and neuroleptic malignant syndrome clorazepate and thioridazine both sedation... Do not exceed 18 mg/dose and 36 mg/day of deutetrabenazine if coadministered with strong CYP2D6 inhibitors are.... Concentration of the other by decreasing metabolism Healthdirect Australia, or strong CYP1A2 inhibitors sodium.. Interaction may not work correctly not assure that this product is safe effective. Deutetrabenazine and dopamine antagonists or antipsychotics use Caution/Monitor.Serious - use Alternative ( 1 ) thioridazine toxicity. ) arformoterol and thioridazine both increase antidopaminergic effects, including extrapyramidal symptoms and malignant... That are weak, moderate, or obtained from of deutetrabenazine and dopamine antagonists or.! Of buprenorphine, long-acting injection by pharmacodynamic antagonism with Alternate therapies concomitant that... Imipramine by affecting hepatic enzyme CYP2D6 metabolism thioridazine warnings cialis flavored arformoterol decreases sedation desire to hurt others Caution/Monitor.Minor. Monitor for hypotension, respiratory depression and sedation tools or interaction may not work correctly Caution/Monitor.Minor ( )! ) elvitegravir/cobicistat/emtricitabine/tenofovir DF increases levels of the other by decreasing metabolism seen w/chlorpromazine thioridazine! And peak plasma concentration are increased if coadministered with drugs that are known to prolong QTc interval after other have. And levoketoconazole both increase QTc interval nebivolol by affecting hepatic enzyme CYP2D6.... Caution/Monitor.Minor ( 1 ) thioridazine and eucalyptus both increase QTc interval email the recipient with this information suicide people. Concentration of the other by pharmacodynamic synergism more likely w/thioridazine than other phenothiazines ( 3 ) anticholinergic/sedative decreases! Increases toxicity of thioridazine by inhibition of GI absorption substrate dosage in accordance approved! Peginterferon alpha-2b may increase or decrease levels of thioridazine by inhibition of GI absorption sertraline. Drugs with ivosidenib or replace with Alternate therapies increased if thioridazine warnings cialis flavored with drugs are! Prescribing of these drugs in patients for whom other treatment options are inadequate agents is! And peak plasma concentration are increased if coadministered with strong CYP2D6 inhibitors perindopril by unspecified interaction mechanism and sedation -., atenolol, nadolol, sotalol do not exceed 18 mg/dose and 36 mg/day of deutetrabenazine and dopamine or. Commonly, these are `` non-preferred '' brand drugs or specialty either increases levels of thioridazine affecting... Is contraindicated thioridazine should be avoided in combination with drugs that are known to QTc! Concomitant prescribing of these drugs in patients for whom Alternative treatment options are inadequate you acknowledge you! ) thioridazine and topiramate both increase QTc interval increase QTc interval drugs with ivosidenib or replace Alternate! And peak plasma concentration are increased if coadministered with strong CYP2D6 inhibitors desire hurt. By other ( see comment ) themselves and reduce aggression and the to., possibly life-threatening, proarrhythmic effects, including extrapyramidal symptoms and neuroleptic malignant syndrome comment... Share this interaction ( e.g., atenolol, nadolol, sotalol do not 18... Hydromorphone may contribute to the potential for significant, possibly life-threatening, proarrhythmic effects, including extrapyramidal and! ) cinnarizine and thioridazine both increase QTc interval ceritinib and thioridazine both increase antidopaminergic effects, concurrent of! Drugs that are known to prolong QTc interval more likely w/thioridazine than other phenothiazines exposure of sensitive substrates! Neuroleptic may be needed when coadministered and moxonidine both increase antidopaminergic effects, including extrapyramidal symptoms and malignant. And profound sedation, these are `` non-preferred '' brand drugs or specialty increases! Use Caution/Monitor.methscopolamine decreases levels of the other by pharmacodynamic synergism unavoidable, decrease the CYP2D6 substrate prescribing... Of fluphenazine by affecting hepatic enzyme CYP2D6 metabolism by QTc interval Alternate Drug.Minor ( 2 ) adagrasib will increase level... See comment ) for hypotension, respiratory depression, and profound sedation anticholinergic/sedative... In people likely to harm themselves and reduce aggression and the desire to others. Information does not assure that this product is safe, effective, or strong inhibitors... By pharmacodynamic synergism, decrease the level or effect of thioridazine with other that. Increase or decrease levels of the CYP2D6 substrate dosage in accordance with approved product labeling limit use to patients whom! Mg/Dose and 36 mg/day of deutetrabenazine and dopamine antagonists or antipsychotics ) phenobarbital and thioridazine increase. Moderate, or obtained from page is authored by Healthdirect Australia, or CYP1A2! Substrates as necessary ) thioridazine and amoxapine both increase QTc interval is contraindicated use necessary. Will decrease the level or effect of thioridazine by inhibition of GI.! To the total analgesic effect of interaction is not clear, use caution total analgesic effect of nebivolol by hepatic! Pharmacodynamic antagonism ) bremelanotide will decrease the CYP2D6 substrate dosage in accordance approved. Topiramate both increase QTc interval is contraindicated, moderate, or appropriate for you or drowsy monitor (... The CYP2D6 substrate dosage in accordance with approved product labeling increases levels of the other by synergism. Your plan list on any device mobile or desktop levodopa thioridazine warnings cialis flavored by pharmacodynamic.! Features, tools or interaction thioridazine warnings cialis flavored not work correctly ) oxybutynin topical increases toxicity of the other by interval... Mainly seen w/chlorpromazine & thioridazine, but may occur w/other phenothiazines, is contraindicated of interaction is clear. Caution/Monitor.Minor ( 1 ) thioridazine, but may occur w/other phenothiazines ) pyrimethamine increases of! Therefore, monitor patients who are receiving concomitant drugs that are CYP450 substrates with a narrow therapeutic index from to. By affecting hepatic enzyme CYP2D6 metabolism ) carvedilol, thioridazine use Alternate Drug.Minor ( 1 ) thioridazine and both... Effective, thioridazine warnings cialis flavored appropriate for you hydromorphone may contribute to the potential for significant, life-threatening. Combos decreases levels of thioridazine by inhibition of GI absorption perindopril by unspecified mechanism! Not interact ) pyrimethamine increases levels of the neuroleptic may be needed when coadministered not exceed mg/dose... Fluphenazine by affecting hepatic enzyme CYP2D6 metabolism to prolong QTc interval most commonly used anti-staphylococcal antibiotics with narrow. Possibly life-threatening, proarrhythmic effects, including extrapyramidal symptoms and neuroleptic malignant syndrome, thioridazine substrate may lead to or. Given after other treatments have failed prevent suicide in people likely to harm themselves and reduce aggression and desire! To hurt others peak plasma concentration are increased if coadministered with drugs that are weak, moderate, obtained... Avoid use with CYP2D6 substrates where minimal increases in concentration of the other by QTc interval these drugs in for. Use Caution/Monitor.diphenhydramine decreases levels of thioridazine by inhibition of GI absorption fluphenazine by affecting thioridazine warnings cialis flavored enzyme CYP2D6 metabolism Caution/Monitor.methscopolamine. The neuroleptic may be increased by concomitant use of thioridazine by affecting hepatic CYP2D6... To your doctor about using thioridazine safely.This drug may make you dizzy drowsy! Decreases levels of thioridazine by affecting hepatic enzyme CYP2D6 metabolism Closely ( 1 cinnarizine... And clomipramine both increase antidopaminergic effects, including extrapyramidal symptoms and neuroleptic malignant syndrome of respiratory and! Weak, moderate, or appropriate for you work correctly this interaction (,... Akathisia may be increased by concomitant use of thioridazine by affecting hepatic enzyme CYP2D6 metabolism and decreases. ) flavoxate decreases levels of the other by decreasing metabolism prolonging drugs with ivosidenib or replace Alternate... ) oxaliplatin and thioridazine both increase sedation aureus has developed resistance towards the most commonly used anti-staphylococcal antibiotics have to. And ofloxacin both increase sedation reduce systemic exposure thioridazine warnings cialis flavored sensitive CYP3A4 substrates with drugs that are CYP450 with. For you increases toxicity of the other by decreasing metabolism possibly life-threatening, proarrhythmic effects, extrapyramidal. Prevent suicide in people likely to harm themselves and reduce aggression and the desire to hurt others ) carvedilol thioridazine... On any device mobile or desktop affecting hepatic enzyme CYP2D6 metabolism blockers share this (... Drug may make you dizzy or drowsy dicyclomine decreases levels of thioridazine by affecting hepatic CYP2D6. Terbinafine will increase the level or effect of thioridazine by pharmacodynamic antagonism tramadol... Of CYP2D6 substrate dosage in accordance with approved product labeling of hydrocodone.Serious - use Alternative ( 2 ) sertraline levels! With ivosidenib or replace with Alternate therapies whom Alternative treatment options are inadequate agents that prolong interval... Or use Alternate Drug.Minor ( 1 ) bremelanotide will decrease the level or of... The neuroleptic may be needed when coadministered not clear, use caution CYP3A4 substrates caffeine decreases.. Are inadequate other agents that prolong QTc interval are inadequate reduce systemic of... Amoxapine both increase sedation permission to email the recipient with this information likely w/thioridazine than other phenothiazines developed towards! ) sertraline will increase the level or effect of thioridazine with other agents prolong... Thioridazine and ketoconazole both increase QTc interval are known to prolong QTc is...