Famvir

Famvir Medication Information:

Price Break On Famvir
Generic is available for less money: Generic Famciclovir

Famvir medication comes in several different strengths; click on the strength you need to view prices from pharmacies competing to earn your business.

Famvir 125 mg
Famvir 250 mg
Famvir 750 mg

About Famvir

What Famvir is used for

FAMVIR is an antiviral medicine that is used to treat a number of viral infections described below. It stops the infecting virus from reproducing. Since the virus reproduces very early in the infection, the best results in the treatment are obtained if FAMVIR is started as soon as possible after the first symptoms appear.

Herpes zoster:

FAMVIR is used to treat herpes zoster (shingles). Herpes zoster is an infection caused by a virus called varicella zoster (the same virus that causes chickenpox). FAMVIR stops the virus from spreading in the body so that healing can occur faster if taken within 72 hours of the first lesion, and reduces the blistering, pain, and rash.

Genital herpes

FAMVIR is used to treat or prevent recurrence of the viral infections which cause genital herpes. Genital herpes is a viral infection caused by herpes simplex virus type 1 or 2, and is normally spread by sexual contact. It causes blisters and burning or itching around the genitals, which may be painful.

FAMVIR does not stop you from spreading herpes to another person. It is important to understand that the drug must be taken as early as possible as soon as you know that an attack is starting. Although FAMVIR does not cure the viral infection, it helps to shorten the duration of symptoms and allows the infections to heal faster.

What Famvir does

FAMVIR helps stop the virus from multiplying and shortens the time the virus is released and spread, which helps healing.

When Famvir should not be used

Do not use FAMVIR if:

  • you have been told by your doctor that you have an intolerance to some sugars (i.e. lactose) as FAMVIR contains lactose.

  • you have a known hypersensitivity to FAMVIR (famcyclovir) or to any ingredient of the formulation or packaging (see What the important nonmedicinal ingredients are:).

What the medicinal ingredient is

Each FAMVIR tablet contains 125 mg, 250 mg or 500 mg of famciclovir.

What the important nonmedicinal ingredients for Famvir are

The tablets also contain some inactive ingredients to make up the bulk of each tablet: hydroxypropyl cellulose, hydroxypropyl methylcellulose, lactose, magnesium stearate, polyethylene glycols, sodium starch glycolate and titanium dioxide.

The tablets are gluten-free.

The tablets do not contain sucrose, tartrazine or any other azo dyes.

What dosage forms Famvir comes in

Herpes Zoster

FAMVIR tablets are white, oval and biconvex tablet with bevelled edges, marked FAMVIR on one side and 500 on the other side. Check with your doctor or pharmacist if your tablets look different from this.

Genital Herpes

125 mg tablet—round, white and biconvex tablet with bevelled edges debossed and marked with FV on one side and 125 on the other side.

250 mg tablet—round, white and biconvex tablet with bevelled edges debossed and marked with FV on one side and 250 on the other side.

Check with your doctor or pharmacist if the identifying markings or colour of your tablets are not the same as these.


Warnings and Precautions

Before you take FAMVIR, talk to your doctor if:

  • You have an allergy (including itching) or other unwanted (side) effects when previously taking FAMVIR

  • You are pregnant, planning to become pregnant or breastfeeding when using FAMVIR

  • You have a past history or, or current kidney disease

  • You have liver problems

  • You have other medical conditions

It is important to tell your doctor, dentist or pharmacist if you are taking other medication, as combining drugs can sometimes result in a change from the expected drug effects, or cause harmful effects.


Interactions with Famvir

Always tell your doctor about other medical conditions you have or any medicines you are taking. This means medicines you bought for yourself as well as medicines on prescription. Your doctor or pharmacist will know if it is safe to take FAMVIR as well.

It is particularly important that you tell your doctor or pharmacist if you are taking any of the following medicines:

  • Probenecid, or any other medicine that can affect your kidneys.

  • Raloxifene (used to prevent and treat osteoporosis).

You can take FAMVIR with or without food.


Proper Use of Famvir

How do I use FAMVIR?

You should take FAMVIR only as directed by your doctor. Do not take more of it, do not take it more often and do not take it for a longer period of time than your doctor ordered.

Be sure to take FAMVIR regularly as prescribed. Try to take your tablets at the same time each day. You should continue to take your medicine even if you do not feel better, as it may take a few days for your medicine to work.

If your kidneys are not working very well, your doctor will probably have you take this medicine less often, check with your doctor if you have kidney problems.

FAMVIR will work whether or not you take it with food. You should swallow the tablets whole, with water. Do not chew them.

How long do I use FAMVIR?

The usual adult dose is one FAMVIR tablet three times a day for shingles. Follow your doctor's instructions about how and when to take your tablets. Start taking them as soon as you can for the best effect.

Most people take one tablet when they get up in the morning, one in the middle of the afternoon and one before going to bed at night.

Finish all the tablets you have been given even if you start to feel better. The treatment lasts for seven days.

Treating an outbreak of recurrent genital herpes

If you have had herpes infections of the genitals before (called recurrent genital herpes), your doctor may decide to treat the outbreak. You will likely be told to take one 125 mg tablet twice a day for 5 days or if you are HIV-positive, one 500 mg tablet twice a day for 7 days. Most people with recurrent genital herpes take one tablet when waking, and one tablet just before going to bed. FAMVIR should be taken as soon as possible after the early symptoms (pain, burning, blisters) begin to appear.

Preventing outbreaks of recurrent genital herpes

If you have had herpes infections of the genitals before (called recurrent genital herpes), then your doctor may decide to prevent future outbreaks. Your doctor will likely tell you that you should continually take one 250 mg tablet twice a day. Most people with recurrent genital herpes take one tablet when waking, and one tablet just before going to bed.

Overdose

All tablets are risky if you take too many. If you take too many FAMVIR tablets at once, tell your doctor or hospital Emergency Department or poison control centre immediately Bring your pack of tablets with you. Taking too much of any type of medicine is risky.

Important: Your doctor may give you different instructions better suited to your specific needs. If you need more information on how to take FAMVIR properly, double-check with your doctor or pharmacist.

 

Technical Information