Buy Zovirax


Zovirax is an antiviral medication used to treat infections caused by herpes viruses such as genital herpes, cold sores, shingles, and chickenpox. It works by stopping the growth of the virus.

  • Delivery time: Airmail (14-21 days) | EMS trackable (5-9 days)
  • Prescription: Included
  • Availability: In Stock

Zovirax Information

Zovirax Medication Information Leaflet

Common Use

Zovirax is commonly used for the treatment of herpes simplex infections, including genital herpes and cold sores. It is also used for the treatment of shingles (herpes zoster) and chickenpox.

Generic Ingredient

The generic ingredient of Zovirax is Acyclovir.


Zovirax belongs to the class of antiviral medications and specifically falls under the category of nucleoside analogues.

Clinical Use

Zovirax is used for the treatment of viral infections caused by herpes viruses, including herpes simplex and varicella-zoster viruses.

Spectrum Of Activity

Zovirax has activity against herpes simplex virus types 1 and 2, varicella-zoster virus, and other viruses in the herpesvirus family.

Drug interaction

Zovirax may interact with certain medications, such as probenecid and nephrotoxic drugs. It's important to consult a healthcare professional before using Zovirax with other medications.

Dosage and Directions

The dosage and directions for Zovirax can vary based on the specific condition being treated. It is important to follow the guidance provided by a healthcare professional or the instructions on the medication label.

Contraindications and Precautions

Zovirax should be used with caution in patients with kidney problems and those who are immunocompromised. It is contraindicated in individuals with a known hypersensitivity to acyclovir or valacyclovir.

Possible side effect

Common side effects of Zovirax may include nausea, diarrhea, headache, and dizziness. Serious side effects are rare but may include allergic reactions and kidney problems. It is important to seek medical attention if any unusual or severe side effects occur.

Missed dose and Overdose

If a dose of Zovirax is missed, it should be taken as soon as remembered unless it is almost time for the next dose. It is important not to take a double dose to make up for a missed one. In case of an overdose, medical attention should be sought immediately.

Special Cases

Special care and dose adjustments may be necessary for elderly patients and those with kidney impairment when using Zovirax.

Known Non-standard Use

In some cases, Zovirax may be used off-label for the treatment of other viral infections, as determined by a healthcare professional.

Patient Considerations

Patients should be advised to stay well hydrated while taking Zovirax, especially when using high doses or for prolonged periods.

Possible Risks

Zovirax may carry a risk of kidney damage, particularly with high doses or in individuals with pre-existing kidney conditions.

Breastfeeding and Pregnancy

It is important to consult a healthcare professional before using Zovirax during pregnancy or while breastfeeding to weigh the potential benefits against the potential risks.

Known Alternatives

There are other antiviral medications available that can be considered as alternatives to Zovirax. These alternatives may be recommended based on individual patient characteristics and specific viral infections.


Zovirax should be stored at room temperature away from light and moisture. It should be kept out of reach of children and pets.

Zovirax FAQ

What is Zovirax used for?

Zovirax is used to treat viral infections caused by herpes viruses, including genital herpes, cold sores, shingles, and chickenpox. It works by stopping the growth of the virus.

How should I use Zovirax?

Zovirax is usually applied five times a day for 4 days for cold sores, and five times a day for 5-10 days for genital herpes. Always follow the instructions provided by your doctor or pharmacist.

What are the possible side effects of Zovirax?

Common side effects of Zovirax include burning, stinging, or irritation when the medicine is applied. Serious side effects are rare but seek medical attention if you experience signs of an allergic reaction or severe skin irritation.

Can I use Zovirax during pregnancy?

It's important to consult with a healthcare professional before using Zovirax during pregnancy or if you are planning to become pregnant. They can help weigh the potential benefits against the risks for you and your baby.

Is Zovirax safe for children?

Zovirax can be used to treat chickenpox in children aged 2 years and older. For other indications, the safety and effectiveness of Zovirax in children have not been established. Always consult with a pediatrician before using the medication in children.

What should I do if I miss a dose of Zovirax?

If you miss a dose of Zovirax, apply it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not apply extra medicine to make up for a missed dose.

Can I use Zovirax with other medications?

Before using Zovirax with other medications, inform your doctor or pharmacist about all the products you use, including prescription drugs, nonprescription drugs, and herbal products. They can help prevent any potential interactions.

How long does Zovirax take to work?

Zovirax may start to work within 24 hours after the first application. However, the time taken for complete healing may vary depending on the condition being treated and individual response to the medication.

What is the proper way to store Zovirax?

Store Zovirax at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.

Can Zovirax cure herpes?

Zovirax cannot cure herpes but can help relieve the symptoms and shorten the duration of outbreaks. It does not prevent the spread of herpes to others.

Is Zovirax available over the counter?

Zovirax is available by prescription only. You should not attempt to acquire Zovirax without a prescription, as this could pose health risks and may not be suitable for your condition.

Can Zovirax be used for eye infections?

Zovirax ointment is approved for the treatment of certain eye infections. However, do not use the ointment for longer than prescribed or for unapproved indications. Consult an eye specialist for appropriate treatment of eye infections.

Does Zovirax interact with alcohol?

There are no known interactions between Zovirax and alcohol. However, it is important to consult with your doctor, as alcohol may affect your overall health and can potentially interact with other medications you may be taking.

What is the cost of Zovirax in Singapore?

The cost of Zovirax in Singapore can vary depending on the pharmacy and whether you have insurance coverage. It's best to check with local pharmacies or online platforms for the most accurate pricing information.

Is Zovirax a cure for cold sores?

Zovirax does not cure cold sores, but it can help to reduce the severity and duration of outbreaks when used at the first sign of a cold sore. Consistent and proper application based on healthcare professional's advice can help manage and prevent future occurrences.

Zovirax Properties

  • Clinical use: Antiviral therapy
  • Spectrum of activity: Herpesviridae family
  • Mechanism of action: Inhibits viral DNA polymerase after being phosphorylated by viral thymidine kinase
  • Classification: Nucleoside analog
  • Recommended Dosage: 200-800 mg orally 2-5 times a day for 5-10 days, depending on the condition
  • Basic Side Effects: Nausea, Diarrhea, Headache
  • Serious Side Effects: Seizures, Renal failure, Thrombotic thrombocytopenic purpura

Zovirax Drug Class

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