Description
Zovirax (Acyclovir) is an antiviral medication used to treat infections caused by herpes simplex virus (HSV) and varicella-zoster virus (VZV). It helps control the replication of the virus, thus reducing the severity and duration of symptoms. Zovirax is commonly prescribed for cold sores, genital herpes, shingles, and chickenpox. While it helps manage outbreaks, it does not cure the viral infection and cannot prevent future occurrences.
Indications / Primary Use
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Herpes simplex infections (e.g., cold sores, genital herpes).
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Varicella-zoster virus infections (shingles, chickenpox).
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Prevention of recurrent genital herpes in immunocompromised individuals.
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Treatment of herpes zoster in certain patients.
Side Effect Profile
Common side effects of Zovirax may include:
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Gastrointestinal issues: Nausea, vomiting, diarrhea.
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Headache or dizziness.
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Skin reactions: Rash, itching.
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General fatigue or malaise.
More severe side effects are rare but may include kidney issues, especially in patients with existing kidney conditions, or neurological symptoms like confusion.
Precautions & Warnings
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Hydration: Ensure adequate hydration, particularly in patients with kidney issues.
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Renal impairment: Dosage adjustments may be necessary for patients with renal impairment.
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Pregnancy & breastfeeding: Use only under the guidance of a healthcare provider, as Zovirax passes into breast milk and may affect the unborn baby.
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Drug interactions: Zovirax may interact with probenecid, cimetidine, and other medications. Always inform your healthcare provider of all medications being taken.
Contraindications
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Known allergy to Acyclovir or any formulation ingredients.
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Severe renal dysfunction without appropriate dosage adjustments.
Doctor’s Overview
“Zovirax is one of the most reliable antiviral treatments for managing herpes infections, whether for episodic treatment or long-term prevention. It’s especially important for patients with weakened immune systems, where reactivation of the virus can cause severe complications. Patients with kidney problems should be monitored closely during treatment, as kidney function can be impacted by the medication.”
— Dr. Ahmed Jamil, Infectious Disease Specialist
Storage
Store at room temperature, away from direct sunlight, heat, and moisture. Keep out of reach of children.
Disclaimer: This product overview is intended for general informational purposes and should not replace professional medical advice. Always consult a healthcare provider for personalized guidance regarding the use of Zovirax or any other medication.

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