Zovirax (Acyclovir) 400mg Tablets


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Zovirax (Acyclovir) 400mg Tablets

Zovirax (Acyclovir) is a medication used to treat viral infections caused by the herpes simplex virus (HSV), including HSV-1 and HSV-2. It is commonly used to treat infections of the skin, mucous membranes, and genitals, as well as infections of the eyes and chickenpox. Zovirax 400mg Tablets are a higher-strength formulation of the drug. It designed to provide more concentrated and effective therapy for certain medical conditions.


Zovirax 400mg Tablets are indicates for the treatment of herpes simplex virus infections, including genital herpes, cold sores, and herpes zoster (shingles). It is also indicating  to prevent recurrent outbreaks of genital herpes in individuals who have had 4 or more outbreaks in the past.

Dosage and Administration

The recommending dosage of Zovirax 400mg Tablets varies depending on the specific infection being treats and the patient’s individual response. It is important to follow the prescribed dosage instructions provided by your healthcare provider.

1- Genital herpes: The usual dosage for genital herpes is 400mg orally 5 times a day for 7-10 days.

2- Shingles: The usual dosage for shingles is 800mg orally 5 times a day for 7 days.

3- Cold sores: The usual dosage for cold sores is 400mg orally 2 times a day for 5 days.

Zovirax 400mg Tablets should be takes with a glass of water and swallowed whole. It can be taken with or without food. It is important to complete the entire course of medication, even if you feel better, to ensure that the infection is completely eradicates.

Side Effects

The most common side effects of Zovirax 400mg Tablets include headache, nausea, vomiting, diarrhea, and abdominal pain. These side effects are usually mild to moderate in nature and usually resolve on their own within a few days of treatment.

In rare cases, Zovirax 400mg Tablets may cause more serious allergic reactions, including hives, rash, difficulty breathing, and swelling of the face, lips, and tongue. If you experience any of these symptoms, seek immediate medical attention.


Before taking Zovirax 400mg Tablets, it is important to inform your healthcare provider about any other medications you are taking. including any over-the-counter medications, vitamins, or herbal supplements. Some medications may interact with Zovirax and affect its efficacy or safety.

Additionally, Zovirax 400mg Tablets may not be suitable for everyone. Women who are pregnant or breastfeeding should consult with their doctor before using this medication.


Zovirax (Acyclovir) 400mg Tablets are a higher-strength formulation of the drug Acyclovir. commonly used to treat viral infections caused by the herpes simplex virus. It is effective in reducing symptoms and preventing the recurrence of genital herpes, shingles, and cold sores. However, it is important to follow the prescribed dosage instructions and take this medication under the supervision of a healthcare professional.

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