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Overview

Valacyclovir

Prescription vs OTC : Prescription by Doctor required

About Valacyclovir

This medication is used to treat infections such as genital herpes, cold sores in children at least 12 years of age and shingles in adults. Valacyclovir falls under a category of drugs known as antiviral. It also treats chickenpox in children who are 2 years of age.

Before using this medication tell your doctor if: you are allergic to any ingredient contained within this medication, you are allergic to any food or medicine or substance, you are taking any medications, you have kidney disorders, you have HIV or weak immune system, you are pregnant or are nursing a baby.

The dosage is fixed by the doctor taking into consideration your previous medical records and the current condition. The usual dose in adults for treating herpes simplex labialis is 2 g orally every 12 hours in doses of 2.

    Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

    What are the uses of Valacyclovir

    • Herpes Zoster Infections

    • Herpes Simplex Virus Infections

    • Genital Herpes

    • Herpes Labialis

    Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

    What are the contraindications of Valacyclovir ?

    • Hypersensitivity

    Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

    What are the side effects of Valacyclovir ?

    Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

    Key highlights of Valacyclovir

    • Is It safe with alcohol?

      It is generally safe to consume alcohol with this medicine.

    • Are there any pregnancy warnings?

      It is probably safe to use during pregnancy.
      Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor.

    • Are there any breast-feeding warnings?

      Unknown. Human and animal studies are not available. Please consult your doctor.

    • Is it safe to drive while on this medicine?

      There is no data available. Please consult doctor before consuming the drug.

    • Does this affect kidney function?

      Caution to be advised in patients with impaired renal function.

    • Does this affect liver function?

      Limited data available. Please consult doctor before consuming the drug.

    Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

    What are the dosage instructions?

    • Are there any missed dose instructions?

      If you miss a dose of this medication, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

    • Are there any overdose instructions?

      Please consult your doctor in case of overdosing.

    Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

    Medicines containing Valacyclovir

    Below is the list of medicines, which contains Valacyclovir as ingredient

    Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

    How does this medication work?

    The phosphorylation of the active constituent of this medication occurs by viral thymidine kinase to acyclovir triphosphate. This then inhibits the herpes replication of viral DNA. Competitive inhibition of the viral DNA polymerase also takes place.

      Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

      What are the interactions of Valacyclovir ?

      Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

        test
      • Interaction with Medicine

        Medicine

        Interaction may take place if this medicine is concomitantly administered with aminoglycosides, organoplatinum compounds, iodated contrast media, methotrexate, pentamidine, foscarnet, ciclosporin and tacrolimus.

      References

      • Valaciclovir-Drug Information Portal [Internet].druginfo.nlm.nih.gov 2022 [Cited 16 June 2022].Available from:

        https://druginfo.nlm.nih.gov/drugportal/name/valaciclovir

      • Valaciclovir-DrugBank Online [Internet].go.drugbank.com 2022 [Cited 16 June 2022].Available from:

        https://go.drugbank.com/drugs/DB00577

      Disclaimer : The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

      Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

      Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.
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      Written ByDrx Hina FirdousPhD (Pharmacology) Pursuing, M.Pharma (Pharmacology), B.Pharma - Certificate in Nutrition and Child CarePharmacology
      Reviewed By
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      Reviewed ByDr. Garima SharmaMBBS, Master in Healthcare Administration, Diploma in Occupational HealthGeneral Physician
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