Generic Famvir, Famciclovir

Famciclovir is an antiviral agent typically prescribed to alleviate the symptoms of shingles. It can also be prescribed for outbreaks of herpes simplex.

Generic Famvir


Virovir, Microvir, Famtrex, Penvir, Valcivir

3, 10

Cipla, FDC, Micro Labs, Hetero Drugs


250 mg, 500 mg



Famciclovir is used in the treatment of herpes labialis, genital herpes infection, cold sores, and shingles and herpes zoster.
How it Works
Famciclovir is an antiviral drug. Famciclovir works by preventing viruses from multiplying, which reduces the severity of the infection. Famciclovir slows the growth and spread of the herpes virus so that the body can fight off the infection. Famciclovir will not cure herpes, but it can lessen the symptoms of the infections.
Common Side effects
Some of the potential side effects of Famciclovir can include the symptoms below; Headache, Nausea, Vomiting, Rash, Increased liver enzymes, Diarrhoea, Itching
Famciclovir is an antiviral drug often used to treat recurring episodes of herpes zoster, herpes simplex, and genital herpes, however, it is not used to cure these infections. The drug is used to decrease the severity and length of these outbreaks. It helps heal the sores faster, prevents new sores from occurring, and helps decrease the pain and itching of the sores.
Famciclovir is used to treat shingles caused by herpes zoster. It is also used to treat the recurring sores around the mouth or anus and genital herpes. In people with compromised immune system, this drug decreases the risk of the virus spreading to other parts of the body. The mechanism of action is that the medicine mimics one of the building blocks of the DNA of the virus. This prevents the replication of viral DNA, which is necessary for viruses to multiply.
Dosage and administration
This medicine is available as tablets of 250 mg and 500 mg concentrations. The route of administration is oral and it is to be taken with a glass of water. The medicine is to be taken with or without food as directed by your doctor. It is advised that the medicine is to be taken at the same time of the day, at evenly spaced intervals. For an adult, the usual recommended dose for an initial episode of herpes simplex infection is 250 mg, 2 to 3 times a day for 7 to 10 days. For recurrent herpes episodes, the usual recommended dose is 1000 mg twice a day. The drug is recommended to be taken on the day of recurrence of sores. In herpes zoster, the usual dose is 500 mg orally to be taken every 8 hours for 7 days. If you miss a normal dose of the drug, then do not take two doses at once to compensate for the missed dose. Just carry on with the usual drug regime.
Before you start taking the drug, tell your doctor about all the allergies you have to any drug, foods, or chemicals. Also, inform your doctor about all the prescribed and non-prescribed drugs you are taking.Any history of liver disease or kidney disease must be told and consulted with your doctor.This drug may make you drowsy, hence you are advised not to drive or use heavy machinery after taking the drug.This drug contains lactose sugar. If you have galactose or lactose intolerant, then consult your doctor before taking the medication.Pregnant women and breast feeding mothers are to use this medication only if it has been prescribed by the doctor.In the case of genital herpes and to protect your partner from the spread of infection, do not make sexual contact during an outbreak of symptoms.
Side effects
HeadachesNauseaDiarrheaWeight lossStomach painHeavy bleedingRashesDizzinessDrowsinessFever with chills

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