Generic Name: acyclovir Imprint: ZOVIRAX  Strength: 400 mg, 800 mg Color: White Size: 12.00 mm Shape: U-shape Availability: Available

GTIN: 00173-0949 SKU: 000003 Category:



Zovirax 400 MG (acyclovir) is an antiviral drug. Acyclovir moves back the turn of events and spreads the herpes contamination in the body.

zovirax 800 mg
zovirax 800 mg

However, Zovirax 400 mg won’t fix herpes, yet it can diminish pollution signs.

Zovirax Generic Name: Aciclovir

This medicine is easily available in online and offline markets of USA, UK, Canada, and Australia with the prescription. You can buy Zovirax online.


Zovirax 400 mg helps treat certain infections caused by different types of viruses. Zovirax uses are effective in the treatment of cold sores around the mouth, shingles, and chickenpox.

different types of viruses
different types of viruses

This medicine also delays the episodes or stops the outbreaks of genital herpes. But it is not the ultimate cure for infections. Acyclovir helps in decreasing the severity and time gap of these outbreaks.

It also helps heal the sores faster and tries to stop the new sores from forming. It decreases pain and itching. People who have a weaker immune system and this medicine helps prevent the virus from other parts of the body.

How to use Zovirax

Zovirax 400 mg comes in tablet form. It should be taken through the mouth with or without a meal. But it is recommended to have plenty of fluids or water with this medicine as this can help in fewer side effects.

Take this medicine by mouth
Take this medicine by mouth

This medicine also comes in liquid form called Zovirax Syrup. In this case, shake the bottle before taking and measure the dosage with the measuring device available at the pharmacy to take medicine correctly.

For the best results, start taking this medicine when the early symptoms start showing up. It may not work that well if taken at the worst symptoms. Zovirax dosage is always according to the medical condition and severity of the symptoms. In children, the dosage is according to weight.

There should be a certain amount of dosage present in the body to fight the infection. For that, take this medicine at a regular time daily. Always complete the full course as prescribed by the doctor.

Side effects

Zovirax 400 mg is associated with certain common side effects that go away with time; it includes:

  • Nausea
  • Diarrhea
  • Headache
  • Vomiting
  • Indigestion
dizziness or drowsiness
dizziness or drowsiness

If these side effects worsen with time, consult the doctor as soon as possible. But Zovirax side effects also has some serious side effects, they are:

  • Dizziness
  • Confusion or hallucinations
  • Sudden mood changes
  • Signs of kidney problems
  • Sudden vision changes
  • Seizures
  • Extreme fatigue
  • Skin rashes or allergy
  • Trouble breathing

If any serious side effects show up, immediately discontinue the medicine and seek emergency help. These side effects may be life-threatening.


Always tell your doctor about your past medical history and the current symptoms clearly if you are allergic to any medication or had any surgery. This helps a doctor give you the best treatment with the correct dosage.

Zovirax 400 mg can affect the kidney, so those who have kidney-related issues are not recommended to take this medicine. Never mix Valtrex with cannabis, alcohol, or smoking agents, as it can make you dizzier.

Avoid taking any immunity vaccinations while taking this medicine to make your vaccination less effective. Avoid physical contact when a person is suffering from cold sores because it spreads easily.

To avoid spreading genital herpes to your partner, stop the sexual contact as you see any symptom. Always use safety devices like condoms for a safer experience.

This medicine passes into breast milk, so avoid using this medicine or consult your doctor before breastfeeding your child. Pregnant women are also not suggested to take this medicine until very necessary.


Drug interactions mean that your medication will work when it comes in contact with another drug that also increases the risk for serious side effects. Always start and stop the medicine with the doctor’s consultation.

This medicine can cause serious kidney problems in contact with anti-inflammatory drugs such as ibuprofen or naproxen. Valacyclovir is very similar to acyclovir. Never use these two medications simultaneously.


Overdose of this medicine can be fatal. Try to take medicine according to the given prescription and at the same time daily. If you miss any dose, then never make up for the missed dose by taking it double.

In case of overdose, immediately rush to the nearby hospital or seek emergency help.


Store Zovirax 400 mg in a cool and dry place, away from direct sunlight. Please keep it away from children and never share your medicine with anybody else. Swallow the tablet as a whole, don’t break it in halves. 

Additional information

Select Strength

400 mg, 800 mg

Select Pill Quantity

90, 120, 180, 240, 300, 360, 500

2 reviews for ZOVIRAX

  1. Jerry

    It has been a long time now since I started ordering from RX Global Pharmacy. I ordered from different locations around the USA. All my experiences with them were great. They stick to their shipment and product policy. I have not encountered any problem with their service or product till now. I am a happy customer now.

  2. Alex

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