Valaciclovir is an inhibitor of DNA polymerase, the enzyme responsible for the synthesis of DNA. Its action is very specific and acts against the virus herpes simplex type 1 and 2 and varicella zoster virus, and it prevents their reproduction by blocking DNA replication.
What is Valacyclovir?
Valacyclovir is used to treat infections with herpes, particularly shingles, genital herpes and cold sores. It does not cure the infection, but it helps to reduce pain and itching, promotes healing of the blisters and prevents the formation of new bubbles.
How should Valacyclovir be taken?
Valaciclovir is commercially available for oral use in the form of tablets. The duration of treatment depends on the condition.
Generally, the shingles requires taking 3 doses per day for 7 consecutive days, while the treatment of genital herpes usually involves taking two tablets a day for 5 days. However, dosage and duration of treatment can vary from case to case.
Side effects associated with Valacyclovir
The possible side effects associated with valacyclovir may include headaches, upset stomach, vomiting, diarrhea or loose stools and constipation.
Moreover, remember not to exclude allergic reactions to the active ingredients. Therefore, it is important to contact a doctor immediately if you experience symptoms such as rash, itching, confusion, jaundice, fever or blood in the urine.
Contraindications and warnings associated with the use of Valacyclovir
Prior to undergoing treatment with valacyclovir it is important to tell your doctor if:
You have any allergy to the active ingredient, acyclovir zovirax, or some other medication
You are taking other medications, especially if it is cimetidine, probenecid or vitamins
You are suffering (or have suffered) from kidney or liver disease or problems that involve the immune system (including HIV infection)
You are pregnant or you are breast-feeding
