ublituximab decreases effects of famciclovir by immunosuppressive effects; risk of infection. [suppression, preadolescents >45 kg and adolescents] All rights reserved. This survey is being conducted by the WebMD marketing sciences department. Symptoms of ED include. (See Cautions.). There are 8 drugs known to interact with famciclovir, along with 2 disease interactions. Things to remember when you fill your prescription. Adjust dosage based on Clcr. It is also used to treat repeat outbreaks of herpes virus cold sores or fever blisters in people with a normal immune system. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. eHealthMe is studying from 210,453 Ibuprofen users for its effectiveness, alternative drugs and more. Always consult your healthcare provider. If any of these side effects occur, do not drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert while you are taking famciclovir. Do not change your dose, skip any doses, or stop this medication early without your doctor's approval.Tell your doctor if your condition lasts or gets worse. Limit alcoholic beverages. If you have any questions, ask your doctor or pharmacist. Contraindicated (1)famciclovir will decrease the level or effect of zoster vaccine live by pharmacodynamic antagonism. Penciclovir belongs to a class of medications known as antivirals. To lower the chance of giving herpes to your partner, do not have sexual contact during an outbreak or if you have symptoms. This is not a complete list of possible side effects. Along with its needed effects, a medicine may cause some unwanted effects. Insufficient experience in geriatric adults with recurrent herpes simplex to determine whether they respond differently than younger adults. Treatment of recurrent mucocutaneous HSV infections in HIV-infected adults and adolescents. Always ask your health care professional for complete information about this product and your specific health needs. In the US - Call your doctor for medical advice about side effects. Build, train, & validate predictive machine-learning models with structured datasets. Do not share this medication with others. However, elderly patients are more likely to have age-related kidney disease, which may require an adjustment of dose in patients receiving this medicine. It may have undesirable effects on a nursing infant. ChildrenUse and dose must be determined by your doctor. Use Caution/Monitor. The therapeutic efficacy of Bacillus calmette-guerin substrain russian BCG-I live antigen can be decreased when used in combination with Famciclovir. Famciclovir decreases the severity and length of these outbreaks. Mayo Clinic does not endorse any of the third party products and services advertised. This medication may also help reduce how long pain remains after the sores heal. Keep all medications away from children and pets. In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. What is famciclovir? famciclovir increases levels of digoxin by unspecified interaction mechanism. other information we have about you. General Famciclovir is generally well tolerated. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Limit alcoholic beverages. CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use. Famciclovir is deacetylated and oxidized to penciclovir. Famciclovir is an oral prodrug of penciclovir, a selective antiviral drug with activity against Varicella zoster virus, Herpes simplex virus types 1 and 2, and Epstein-Barr virus, as well as human hepatitis B virus. Treatment of acute, localized herpes zoster (shingles, zoster) in immunocompetent adults and adolescents. Canada residents can call a provincial poison control center. Consult your doctor before breast-feeding. If you miss a dose, take it as soon as you remember. For this medicine, the following should be considered: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. HIV-infected adolescents: 250 mg twice daily for chronic suppressive or maintenance therapy (secondary prophylaxis) of HSV infections in those with frequent or severe recurrences. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. Drug Metab Dispos. This information is not individual medical advice and does not substitute for the advice of your health care professional. Clinical interaction studies of famciclovir with promethazine did not show relevant effects on the formation of penciclovir. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Famciclovir is used to treat the symptoms of herpes zoster (also known as shingles), a herpes virus infection of the skin. Do not store in the bathroom. Otherwise, call a poison control center right away. Monitor Closely (1)ublituximab decreases effects of famciclovir by immunosuppressive effects; risk of infection. Famciclovir does not protect against the spread of genital herpes. For Healthcare Professionals Applies to famciclovir: oral tablet. Famvir (famciclovir) is an antiviral drug used to treat infections caused by herpes viruses, including genital herpes, cold sores, shingles, and chicken pox. Monitor Closely (1)probenecid increases levels of famciclovir by acidic (anionic) drug competition for renal tubular clearance. Find comprehensive medical information for famciclovir oral on RxList including its uses, side effects, precautions, drug interactions, overdose, pill images & warnings . Famvir; Descriptions. 1998-2023 Mayo Foundation for Medical Education and Research (MFMER). Interactions Other warnings Dosage Take as directed Important considerations Alternatives Highlights for famciclovir Famciclovir oral tablet is available as a generic drug. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Raloxifene, a potent aldehyde oxidase inhibitor in vitro, could decrease the formation of penciclovir. PRECAUTIONS: Before taking famciclovir, tell your doctor or pharmacist if you are allergic to it; or to penciclovir; or if you have any other allergies. Take with or without food. The therapeutic efficacy of Human adenovirus e serotype 4 strain cl-68578 antigen can be decreased when used in combination with Famciclovir. Limit alcoholic beverages. AUC may be greater and renal clearance decreased in geriatric patients 65 years of age, presumably because of decreased renal function. Importance of advising patients of other important precautionary information. However, it is not a cure for these infections. Many people using this medication do not have serious side effects. The inactive metabolite 6-deoxy penciclovir is converted to penciclovir by aldehyde oxidase. When famciclovir is used to treat shingles, it is usually taken every 8 hours (three times a day) for 7 days, starting within 3 days after the rash begins to appear. The most common side effects reported in at least 1 indication by greater than 10% of patients are headache and nausea. If you have certain conditions such as galactose intolerance, severe lactase deficiency (not lactose or milk intolerance), or glucose-galactose malabsorption that require you to restrict your intake of lactose, consult your doctor or pharmacist before taking this medication. It also treats outbreaks of herpes simplex that cause cold sores around the mouth, sores around the anus, and genital herpes. It is used to treat and suppress herpes labialis (cold sores) and recurrent episodes of genital herpes infection. In people with frequent outbreaks of genital herpes, famciclovir is used to help reduce the number of future episodes.Famciclovir is an antiviral drug. Use Caution/Monitor. Make your tax-deductible gift and be a part of the cutting-edge research and care that's changing medicine. To lower the chance of giving herpes to your partner, do not have sexual contact during an outbreak or if you have symptoms. For this medicine, the following should be considered: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. Advise patients that famciclovir is not a cure for genital herpes, and there are no data evaluating whether famciclovir prevents transmission of genital herpes to others. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Access your plan list on any device mobile or desktop. Avoid life-threatening adverse drug events & improve clinical decision support. Do not have certain immunizations/vaccinations (such as vaccines against the varicella virus) without the consent of your doctor. It treats shingles caused by herpes zoster. Use Caution/Monitor. Immunosuppressive therapies may reduce the effectiveness of zoster vaccine recombinant. Avoid famciclovir use 24 h before and 14 days following varicella vaccine. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Manage and view all your plans together even plans in different states. You can spread genital herpes even if you do not have symptoms. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Famciclovir is used to treat the symptoms of herpes zoster (also known as shingles), a herpes virus infection of the skin. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. 2 are major, 4 are moderate, and 2 are minor. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. The above information is provided for general The therapeutic efficacy of Typhoid Vaccine Live can be decreased when used in combination with Famciclovir. Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as agitation, slowed thinking, confusion, hallucinations), dizziness, drowsiness, signs of kidney problems (such as change in the amount of urine), yellowing eyes/skin, easy bruising/bleeding. Avoid famciclovir use 24 h before and 14 days following zoster vaccine. Immunocompetent adults: 500 mg every 8 hours for 7 days. Pharmacokinetics not evaluated in severe uncompensated hepatic impairment. Enter your medication into the WebMD interaction checker, Treating Opioid Use Disorder With Medications, prevent shingles in patient without a normal immune system, suppression of recurrent Herpes simplex infection in HIV, prevent recurrent herpes simplex infection, recurrent mucocutaneous herpes simplex in human immunodeficiency virus infected patient. Immunosuppressive therapies may reduce the effectiveness of zoster vaccine recombinant. Interactions with other drugs metabolized by this enzyme and/or inhibiting this enzyme could potentially occur. Distributed into milk in rats; not known whether distributed into human milk. Keep from freezing. cimetidine, famciclovir. privacy practices. Take this medication by mouth with or without food as directed by your doctor, usually 2 to 3 times a day. Administration of famciclovir with food decreases peak penciclovir plasma concentrations and delays time to peak concentrations but does not affect penciclovir AUC. However, it is not a cure for these infections. For treatment of recurrent herpes infections in HIV-infected patients: Adults500 milligrams (mg) two times a day for seven days. The conversion of 6-deoxy penciclovir to penciclovir is catalyzed by aldehyde oxidase. Interactions Stability Introduction Antiviral; prodrug of penciclovir; nucleoside derived from guanine. Continue to take this medication until the full prescribed amount is finished. Conversion of famciclovir to the active metabolite penciclovir may be impaired in these patients resulting in lower penciclovir plasma concentrations, and thus possibly a decrease of efficacy of famciclovir (see Action and Clinical Pharmacology). Cause interactions to occur decreases peak penciclovir plasma concentrations and delays time to peak concentrations but does not endorse of., along with 2 disease interactions for treatment of acute, localized herpes zoster ( also known as shingles,. 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