Medically reviewed on June 7, Along with its needed effects, valacyclovir may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking valacyclovir:. 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, herpes and valacyclovir and side effects.
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 herpes and valacyclovir and side effects bothersome or if you have any questions about them:.
For Healthcare Professionals Applies to valacyclovir: Vomiting, constipation, anorexia, dyspepsiadry mouth, flatulence. Diarrhea [ Ref ]. Seizures, tremors, ataxia, coma, dysarthria, encephalopathy [ Ref ]. These events have mostly been seen in patients with herpes and valacyclovir and side effects impairment or in patients receiving higher doses.
Aggressive behavioragitation, confusion, mania, psychosis, auditory and visual hallucinations [ Ref ]. Renal failure, renal pain [ Ref ]. Thrombocytopeniaaplastic anemialeukocytoclastic vasculitis [ Ref ]. Hepatitis [ Ref ]. Acute hypersensitivity reactions including anaphylaxisangioedemadyspneapruritusrash, urticaria [ Ref ]. Facial edemaerythema multiforme, photosensitivity, alopecia [ Ref ].
Hypertension, tachycardia [ Ref ]. Visual abnormalities [ Ref ]. Nasopharyngitis, upper respiratory tract infectionrhinitis, pharyngitis. Sinusitis, bronchitis [ Ref ]. Back pain [ Ref ]. Dysmenorrhea, urinary tract infection [ Ref ]. Fatigue, asthenia, fever, chills [ Ref ]. The most commonly reported adverse reactions have been headache, nausea, and abdominal pain. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA. Herpes International weight loss and nutrition company, Suppression acyclovirValtrexvalacyclovirZoviraxlysinefamciclovirMore Cold Sores acyclovirValtrexvalacyclovirZoviraxfamciclovirMore The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records, herpes and valacyclovir and side effects.
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Consumer Professional Managing Side Effects. Valacyclovir Rating User Reviews 8.