Generic Name: Famvir
What is Famvir?
Table 2 lists selected adverse events. The adverse events listed below have been reported during postapproval use of FAMVIR. Because these events are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure:Blood and lymphatic system disorders: ThrombocytopeniaImmune system disorders: Anaphylactic shock, anaphylactic reactionNervous system disorders: Dizziness, somnolence, seizurePsychiatric disorders: Confusion including delirium, disorientation, and confusional state occurring predominantly in the elderlyhallucinationsSkin and subcutaneous tissue disorders: Urticaria, erythema multiforme, Stevens-Johnson syndrome, toxic epidermal necrolysis, angioedema e.
No clinically significant effect on the pharmacokinetics of zidovudine, its metabolite zidovudine glucuronide, or emtricitabine was observed following a single oral dose of 500 mg famciclovir coadministered with zidovudine or emtricitabine.
An in vitro study using human liver microsomes suggests that famciclovir is not an inhibitor of CYP3A4 enzymes. No clinically significant alterations in penciclovir pharmacokinetics were observed following single-dose administration of 500 mg famciclovir after pretreatment with multiple doses of allopurinol, cimetidine, theophylline, zidovudine, promethazine, when given shortly after an antacid magnesium and aluminum hydroxideor concomitantly with emtricitabine.
No clinically significant effect on penciclovir pharmacokinetics was observed following multiple-dose three times daily administration of famciclovir 500 mg with multiple doses of digoxin. Concurrent use with probenecid or other drugs significantly eliminated by active renal tubular secretion may result in increased plasma concentrations of penciclovir.
The conversion of 6-deoxy penciclovir to penciclovir is catalyzed by aldehyde oxidase.
Famvir is an anti-viral with decent tolerance that may reduce the severity of your herpes outbreaks. How Does Famvir Work. Can Famvir Cure Herpes. More research is needed to verify that Famvir can and should be used in this manner. What is the Difference Between Famvir and Valtrex for Herpes. Does Famvir Have Any Side Effects.
The most common side effects include: Headache Diarrhea Nausea There are very few rare side effects associated with Famvir. Use of Famvir for Herpes and Herpes Family Viruses Based on available research, Famvir is an effective treatment option for shingles, herpes simplex type 1, and herpes simplex type 2.
SourcesTyring SK, Barbarash RA 1995. Famvir is een antiviraal geneesmiddel. De werkzame stof famciclovir bestrijdt bepaalde types van het herpesvirus, waaronder herpes zoster en herpes simplex. Famvir is een receptplichtig geneesmiddel. Meer infoVoor risico's en bijwerkingen, lees de bijsluiter of raadpleeg een arts of apotheker.
How should I take Famvir?
Famvir may also be more common for those with HIV infections. Valtrex may be more valuable for preventing herpes transmission. Few if any studies have been completed on Famvir's ability to prevent virus transmission, so Famvir should not be used to prevent transmission until this has been established or approved. All medications have potential side effects.
Compared to other medications, Famvir side effects are fairly mild, with very rare severe side effects. There are very few rare side effects associated with Famvir.
What should I avoid while taking Famvir?
This medicine is not to be used during breastfeeding unless clearly necessary. Your doctor will tell you the possible risks of taking famciclovir during breastfeeding. The clinical experience in children is limited.
Famciclovir can cause reactions such as vertigo, dizziness, drowsiness or confusion. Therefore, caution should be exercised when driving or operating machinery until you know how this medicine may affect you. Follow carefully instructions of use of famciclovir provided by your doctor.
Famvir side effects
Your doctor can tell you more. Famciclovir belongs to a class of drugs called antivirals. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions. Antivirals work by making viruses less active in your body. Famciclovir works against herpes simplex viruses 1 and 2 HSV-1 and HSV-2. These viruses cause oral or genital herpes. Famciclovir also works against herpes zoster, the virus that causes shingles.
Common Famvir ide effects may include:
Use in patients with hepatic impairment Famciclovir has not been studied in patients with severe hepatic impairment.
El perfil de seguridad es similar al observado en los adultos.
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For some, explaining it to a potential sexual partner or an existing one can be difficult to do.
STDs in men cause no symptoms or symptoms likeSome STDs in men are treatable while others are not. Which drugs or supplements interact with famciclovir. Is famciclovir safe to take if I'm pregnant or breastfeeding.
Where can I get more information?
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The efficacy of FAMVIR when initiated more than 72 hours after onset of rash has not been established.