Zovirax Cream (Acyclovir 5%): Uses, Side Effects & Safety

What is Zovirax Cream?

Zovirax Cream is a topical medicine that contains acyclovir 5%. It is an antiviral treatment used on the skin to help manage symptoms linked to herpes simplex virus infections.

It is commonly used at the first sign of an outbreak. The original content notes that it can help shorten healing time and reduce symptom severity, but it does not cure the underlying infection.

How does Zovirax Cream work?

Acyclovir works by interfering with viral replication. In the original content, this is described as blocking the DNA polymerase enzyme, which the virus needs to multiply.

Because it is applied to the skin, the treatment acts locally on the affected area rather than as a cure for the virus itself.

What is Zovirax Cream used for?

According to the original content, Zovirax Cream is used for herpes-related conditions, including:

• Cold sores
• Genital herpes
• Chickenpox in some cases
• Shingles in some cases, although oral forms are more commonly used for this indication

Use depends on the product instructions and the advice of a healthcare professional.

How should Zovirax Cream be applied?

The original content gives the following application steps:

1. Wash your hands before and after use.
2. Clean the affected area gently with soap and water, then pat it dry.
3. Apply a thin layer of cream to the affected area.
4. Use it five times a day for four days, starting at the first sign of an outbreak.

Avoid contact with the eyes and mucous membranes. If the cream gets into the eyes, rinse thoroughly with water.

What are the side effects of Zovirax Cream?

Zovirax Cream is generally well tolerated, but the original content lists these common side effects:

• Burning or stinging at the application site
• Itching
• Redness
• Dryness
• Skin irritation
• Swelling in the treated area

Rarely, a serious allergic reaction may occur. The original content mentions symptoms such as difficulty breathing or swelling of the face, lips, or throat. If these happen, seek urgent medical help.

What precautions should you take?

Before using Zovirax Cream, the original content advises considering the following:

• Speak with a healthcare provider if you have kidney issues or take other medicines.
• Do not apply it to the eyes, mouth, or inside the nose.
• Avoid using it on broken or infected skin unless a clinician has advised you to do so.
• Wash your hands before and after application to help reduce spread of the virus.

Can Zovirax Cream be used during pregnancy or breastfeeding?

The original content says Zovirax Cream is generally considered safe in pregnancy, but a healthcare professional should be consulted first.

For breastfeeding, the original content states that it can be used, but professional advice is still recommended. If you are pregnant or breastfeeding, check the official leaflet and speak with a clinician or pharmacist before use.

Are there any drug interactions?

Because Zovirax Cream is topical, interaction concerns are usually limited, but the original content notes possible issues with:

• Immunosuppressive drugs
• Other antiviral medications
• Topical corticosteroids

Always tell a healthcare professional about all medicines and topical products you use so they can check for possible overlap or irritation risk.

What should you verify with a doctor or pharmacist?

If you are unsure about using Zovirax Cream, it is sensible to confirm:

• Whether the product is appropriate for your symptoms
• How often to apply it
• Whether it should be used on your specific area of skin
• Whether your other medicines or skin products matter
• What to do if symptoms do not improve

Frequently asked questions