Jul 22, 2025 · Learn about the side effects of valacyclovir, from common to rare, for consumers and healthcare professionals.

Dec 1, 2025 · 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 …

Jun 19, 2024 · What are the serious side effects of valacyclovir? While less common, the most serious side effects of valacyclovir are described below, along with what to do if they happen.

Aug 26, 2025 · Common valacyclovir side effects include headaches, nausea, and abdominal pain. While rare, kidney problems, brain-related side effects, and blood disorders are also possible. A few …

Valacyclovir: learn about side effects, dosage, special precautions, and more on MedlinePlus

Feb 8, 2024 · Read on to learn about possible common, mild, and serious side effects of valacyclovir. For a general overview of the drug, including details about its uses, see this article.

Common side effects of Valtrex include headache, nausea, vomiting, abdominal pain, cold symptoms, increased liver enzymes, reduction of white blood cells, diarrhea, rash, joint pain, and dizziness. …

What side effects may I notice from receiving this medication? Side effects that you should report to your care team as soon as possible: Allergic reactions—skin rash, itching, hives, swelling of the face, lips, …

Mar 21, 2025 · Though effective treatment for herpes virus infections, valacyclovir can bring certain side effects. The potential valacyclovir side effects from common (e.g. nausea, vomiting, or headache) to …

Mar 13, 2025 · Common side effects of Valtrex include headache, nausea, and stomach pain. Serious side effects are rare, including allergic reactions, kidney problems, and nervous system problems.