Acyclovir is an antiviral drug, a synthetic nucleoside analogue, that has inhibitory activity (interferes with viral replication) against the herpes viruses, including herpes simplex 1 and 2 (cold sores and genital herpes), varicella-zoster (shingles and chickenpox), and Epstein-Barr virus (mononucleosis). ACYCLOVIR Autre nom : Zovirax POURQUOI ce médicament est-il prescrit? L’acyclovir est un agent antiviral utilisé pour traiter les infections telles que l’herpès (HSV-1 INDICATIONS. ZOVIRAX Cream is a herpes simplex virus (HSV) nucleoside analogue DNA polymerase inhibitor indicated for the treatment of recurrent herpes labialis (cold sores) in immunocompetent adults and adolescents 12 years of age and older. Acyclovir cream and ointment can cause skin irritation. A search of the prescribing information for Acyclovir did not specifically list uncontrollable muscle twitching as a side effect. Tell your. Cependant, il a été décrit chez l'insuffisant rénal traité par des doses d'aciclovir non adaptées à la fonction rénale, des altérations de la conscience allant de la confusion mentale avec hallucinations jusqu'au coma. L'évolution a toujours été favorable après l'arrêt du traitement et hémodialyse éventuelle. Safety and efficacy of acyclovir cream have not been established in neonates, infants, and children less than 12 years of age. Use of the buccal tablet should be avoided in pediatric populations because of its complex administration procedure and the potential risk of choking. Oral formulations are not recommended by the manufacturer for use in children younger than 2 years of age, infants. ZOVIRAX® (acyclovir) is contraindicated for patients who develop hypersensitivity or who are hypersensitive to acyclovir, valacyclovir or any other components of the formulations of ZOVIRAX®. For a complete listing, see Dosage Forms , Composition and Packaging section of the product monograph. Acyclovir oral tablet is a prescription drug that’s available as the brand-name drug Zovirax. It’s also available as a generic drug. Generic drugs usually cost less than the brand-name version. ZOVIRAX Cream should be applied 5 times per day for 4 days. Therapy should be initiated as early as possible following the onset of signs or symptoms of herpes labialis, i.e, during the prodrome or when lesions appear. If you have any questions about acyclovir cream, please talk with your doctor, nurse, pharmacist, or other health care provider. If you think there has been an overdose, call your poison control center or get medical care right away.