It comes in the form of a tablet you take by mouth. Valacyclovir is available as a brand-name drug called Valtrex. Generic drugs usually cost less than the brand-name version. In some cases, they may not be available in every strength or form as the brand-name drug. This drug may be used as part of a combination therapy. This means you may need to take it with other medications. Valacyclovir is used to treat viral infections caused by a group of viruses called herpes simplex viruses. These infections include oral and genital herpes, shingles, and chickenpox. Valacyclovir belongs to the class of medications known as antivirals. It is used to treat a viral infection affecting the skin known as shingles (herpes zoster). It is also used to treat cold sores, and to treat and prevent recurrences of genital herpes. It works by interfering with the way the virus reproduces. Valacyclovir works by stopping the virus from multiplying and spreading to nearby healthy cells. It does not cure shingles, cold sores, or genital herpes, but it does help the sores to heal more quickly, and it relieves pain and discomfort. When used to prevent recurrences of herpes, it also reduces the risk of transmission (spreading) of the infection to others. Azithromycin for pertussis Ciprofloxacin dosage uti Valacyclovir oral tablet is a prescription medication used to treat or prevent infections caused by the herpes simplex virus. These include cold sores, genital. Herpes Zoster The recommended dosage of Valtrex for treatment of herpes zoster is 1 gram 3 times daily for 7 days. Therapy. Find a comprehensive guide to possible side effects including common and rare side effects when taking Valtrex Valacyclovir Hydrochloride for healthcare. Valacyclovir is used to treat herpes virus infections, including herpes labialis (also known as cold sores), herpes zoster (also known as shingles), and herpes simplex (also known as genital herpes) in adults. It is also used to treat chickenpox and cold sores in children. In your body, valacyclovir becomes the anti-herpes medicine, acyclovir. Although valacyclovir will not cure shingles or genital herpes, it does help relieve the pain and discomfort and helps the sores heal faster. Valacyclovir is available only with your doctor's prescription. This product is available in the following dosage forms: In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. For this medicine, the following should be considered: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. Applies to valacyclovir: oral tablet Along with its needed effects, valacyclovir (the active ingredient contained in Valtrex) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Some side effects of valacyclovir may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Applies to valacyclovir: oral tablet Very common (10% or more): Nausea (up to 16%) Common (1% to 10%): Vomiting, constipation, anorexia, dyspepsia, dry mouth, flatulence Frequency not reported: Tooth disorder Postmarketing reports: Diarrhea Very common (10% or more): Headache (up to 16%) Common (1% to 10%): Dizziness, somnolence Frequency not reported: Migraine Postmarketing reports: Seizures, tremors, ataxia, coma, dysarthria, encephalopathy Neurologic/psychiatric events, sometimes severe, have included confusion, agitation, convulsions, hallucinations, and coma have generally been reversible with discontinuation. These events have mostly been seen in patients with renal impairment or in patients receiving higher doses. Valtrex side effects medication Buy Valacyclovir Generic Valtrex - Cold Sores & Genital Herpes., Valtrex - Side Effects, Uses, Dosage, Overdose, Pregnancy, Alcohol. Propranolol 60mgAmoxicillin 1g247 overnightpharmacy buy cialis usaWhere can i buy retin aFluconazole 100 mg tab In your body, valacyclovir becomes the anti-herpes medicine, acyclovir. Although valacyclovir will not cure shingles or genital herpes, it does help relieve the. Valacyclovir Oral Route Side Effects - Mayo Clinic. Common Side Effects of Valtrex Valacyclovir Hydrochloride Drug.. Valtrex Pills valacyclovir generic Side Effects, and Dosage. Learn about the potential side effects of Valtrex valacyclovir. Includes common and rare side effects information for consumers and healthcare. Take valacyclovir by mouth, with or without food, as directed by your doctor. Drink plenty of fluids while taking this medication to lower the chance of side effects. Herpes Zoster The recommended dosage of valacyclovir for treatment of herpes zoster is 1 gram 3 times daily for 7 days. Therapy.