Famvir (Famciclovir) is a prescription medicine used for the treatment of viral infections. It is used for a very specific kind of viral infection – the kind caused by the presence of the herpes virus. You will need to make sure you ask your doctor for necessary instructions before you start Famvir treatment, as that way you will be able to benefit from it the way you expected. Your doctor will most likely prescribe it for genital herpes, shingles, cold sores, and chicken pox.
Famvir works for you by slowing down the spread of the herpes infection, thus giving your immune system a chance to fight it off. This medicine will not help you cure herpes, because this condition is incurable, but you will be able to contain it and prevent outbreaks, or get the ones that occur under control quickly.

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Discussing your treatment

This drug is not for patients younger than 18 because it was not tested in patients of that age. If you are planning to give it to a patient of that age, you will have to consult your doctor before you do that. Your doctor will be interested to know if you have any of the following medical issues: galactose intolerance, glucose-galactose malabsorption, severe lactase deficiency or kidney disease. However, if there is anything else you would like to tell your doctor about, you should do that. Make sure you take every dose with a glass of water and try to drink plenty of water during the treatment. This is required for your kidneys to work well. If you have any herpes lesions, try to keep them dry and clean. Keep in mind that you are contagious even though you are taking this medicine. You will have to avoid sexual contacts with your partner while using this drug, and after the treatment, a condom must be worn every time you have sex.

How to take Famciclovir

You will have to take this medicine exactly as prescribed by your doctor. Your doctor will be able to help you with anything you are not completely clear about for your treatment to go well and for you to benefit from it as much as you expect. You should start the treatment as soon as you notice the very first symptoms of the infection, such as blisters, tingling or burning under the skin.

Side effects possible

Famciclovir can cause a few side effects in different patients. Since every person is likely to react to the treatment in a different way, there is no way your doctor will be able to tell you exactly which side effects you will or will not get. However, if you get any side effects of this drug, they will most probably be mild and will not last for too long. You will have to let your doctor know if any of your mild side effects get worse, but this is unlikely to happen. Your mild side effects can be any of the following: headache, nausea, sleepiness, vomiting, diarrhea, dizziness, mild itching, stomach pain, skin rash or confusion. You will need to watch them carefully to make sure they do not get worse or change in intensity.

If you are pregnant

If you are pregnant and intend to start taking this drug, you need to talk to your doctor before doing that. This medicine is not expected to harm an unborn child, but you will still have to inform your doctor of your intentions, because it's very important to make sure the treatment will work out for you the way you need. If you have any lesions, it's particularly important to start the treatment for the baby to avoid getting the infections at birth. If you are breastfeeding, you may need to stop it or avoid taking the medicine for the time being, because it can pass into breast milk and may potentially affect the health of your child.

Interactions with other drugs

There is a chance Famciclovir may interact with other drugs you are using, especially probenecid. If you are taking any other medications, you will have to report them to your health care provider. If you are not sure about the name of the medicine you are using, make sure you use an online checker to see what it is and ask your doctor or pharmacist if it is likely to interfere with your successful treatment. Even though Famvir is unlikely to interact with many drugs, you still have to keep your doctor informed of any interactions you have when starting a new treatment.

How to store your medicine

You will have to store Famvir in some place cool and dry, out of the reach of children and other people who can take it. You are the only one who is supposed to take the drug if your doctor told you to do so. Others may require additional tests or examinations to assess their needs.

If you miss a dose

The missed dose needs to be taken as soon as possible. However, if you see the next dose of your medicine is supposed to be taken soon, you have to skip the one you missed and return to the regular schedule of treatment. Taking a double dose will not help you compensate for the dose you missed,.