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Famciclovir is a drug that has anti-viral functions. It generally treats people from herpes virus infections like herpes zoster, shingles (a rash that is more common among people who have had chickenpox), herpes virus fever blisters, cold sores, herpes simplex infections (of the mucus membranes) and the skin abnormalities of people who have HIV or human immunodeficiency virus.

An antiviral, Famciclovir only relieves herpes virus symptoms like burning and tingling feelings, pain, itching and tenderness. It also stops new sores from forming. However, treating the virus itself (and more importantly, keeping the virus from spreading to other people) cannot be addressed by this drug.

Famciclovir can be ingested orally even if a person did not have anything to eat. The normal dose for shingles patients is one tablet every 8 hours in for seven days. If used for fever blisters and cold sores, Famciclovir is taken when the earliest symptom starts showing. In the case of recurrent genital herpes, the drug is ingested twice a day, for a year or more (according to the doctor’s prescription and recommendation).

Patients must follow their doctor’s orders down to the last letter. That means that even if the symptoms seem to have stopped and disappeared, discontinuation of the medication must not be done without the doctor’s expressed consent. Feeling well does not necessarily and automatically translate to being really well.

Prior to using the drug, you must inform your doctor of existing special diets, vitamins or herbal supplements, medications, and allergic reactions that you may have so that the drug’s effectiveness would not be compromised. Also, lactating, breastfeeding or expecting females must tell their doctors about their condition so that safety would always be practiced.

A laboratory test that may take the form of a blood sampling or a urine exam is normally conducted in order to further see if Famciclovir may be beneficial to a patient.

Famciclovir comes with side effects, as well. They normally include nausea, headaches, vomiting, rashes, diarrhea, tiredness, stomach pain and painful menstruation periods. Some are not encouraged to do any driving or machinery operating when under the effects of the drug as it can trigger confusion, drowsiness, dizziness and disorientation.

If, in any case, symptoms manifest that put a patient in great distress, medical attention would be needed. These severe symptoms cover burning sensations, tingling, and numbness of the limbs.

  • Famciclovir is available in 125 mg, 250 mg, and 500 mg tablets
  • Chemical IUPAC name is [2-(acetyloxymethyl)-4-(2-aminopurin-9-yl)-butyl] acetate
  • It has a molecular formula of C14H19N5O4
  • Molecular weight is 321.332 g/mol

Brand Name: Famvir

Related Medications: Valtrex, Zovirax, Deltasone, Famvir, Sterapred, Meticorten, Denavir, Pontocaine, Viractin, Maintain

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