This medicine may interact with other drugs or health problems. Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Valtrex (valacyclovir) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect: All drugs may cause side effects. However, many people have no side effects or only have minor side effects. 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. Amoxicillin and teeth Levitra dosage Since there are side effects like drowsiness and dizziness possible with Valtrex, if you combine it with alcohol you may also need to avoid doing anything. Nov 14, 2014. Valtrex is the brand name for valacyclovir, an antiviral drug used to treat. Nausea; Stomach pain; Dizziness; Headache; Diarrhea; Vomiting. Apr 21, 2014. Or with dizziness, a more generalized term referring to a range of off-kilter. Since the neurotologist prescribed a potent antiviral drug, Valtrex. 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. Valacyclovir is used to treat infections caused by certain types of viruses. In children, it is used to treat cold sores around the mouth (caused by herpes simplex) and chickenpox (caused by varicella zoster). In adults, it is used to treat shingles (caused by herpes zoster) and cold sores around the mouth. The viruses that cause these infections continue to live in the body even between outbreaks. Valacyclovir is also used to treat outbreaks of genital herpes. Valacyclovir decreases the severity and length of these outbreaks. In people with frequent outbreaks, this medication is used to reduce the number of future episodes. It helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal. Read the Patient Information Leaflet if available from your pharmacist before you start taking valacyclovir and each time you get a refill. Valtrex dizziness Common Side Effects of Valtrex Valacyclovir Hydrochloride Drug., Valtrex Valacyclovir - Side Effects, Dosage, Interactions - Drugs Valtrex for purchaseAmoxil suspension dosageAzithromycin treatsWhere to purchase nolvadex Valtrex valacyclovir HCl Treatment for recurrent genital herpes. the most common adverse events consisting of headache, nausea, diarrhea, and dizziness. Valtrex New FDA Drug Approval CenterWatch. Vertigo A common problem that left one man teetering for months and.. Valtrex Indications, Side Effects, Warnings -. Valacyclovir is an antiviral medication that's used to treat herpes. Vertigo; Dizziness; Confusion; Sore throat; Rash; Renal impairment; Constipation; Abdominal. Find patient medical information for Valtrex Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Acyclovir Zovirax® and valacyclovir Valtrex® are antiviral medications taken by mouth to reduce the duration. lightheadedness or dizziness. Instructions for.