Aciclovir

Aciclovir is an antiviral medication used to manage infections caused by certain viruses. It is commonly utilized in treating viral infections of the skin and mucous membranes.

This medication helps in controlling the symptoms of viral infections and may prevent the development of new sores.

Information about Aciclovir

Aciclovir Uses

Aciclovir is used to treat a variety of viral infections. It helps in reducing the severity and length of these infections.

Treatment of cold sores caused by herpes simplex virus
Management of genital herpes outbreaks
Reducing the frequency of recurrent herpes simplex infections
Treatment of varicella (chickenpox) in adults
Management of shingles (herpes zoster)

How Aciclovir Works

Aciclovir works by interfering with the virus’s ability to multiply in the body. It targets the viral DNA, preventing the virus from reproducing effectively.

This action helps to control the infection and reduce the symptoms associated with viral outbreaks.

While it does not cure the infections, it helps the immune system to fight the virus more effectively.

Common side effects of Aciclovir

Not everyone experiences side effects with Aciclovir, and many are mild and temporary if they do occur.

Headache
Nausea
Dizziness
Diarrhea
Fatigue
Abdominal pain
Skin rash

If you experience serious or persistent side effects, contact your doctor.

CONTENT DETAILS

Written By

Douglas C. Goldberg, MD

Reviewed By

Philip Schein, MD

Last updated

28 Nov 2025 | 03:00 PM (UTC)

Medicine brands for Aciclovir

Aciclovir
Dosage: 200mg, 400mg, 800mg
from $35.0020 variant(s)

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Expert advice for Aciclovir

Avoid alcohol as it may increase the risk of side effects.
Stay hydrated to help your kidneys process the medication.
Inform your doctor if you have any kidney issues before taking Aciclovir.
Do not use this medication for other viral infections without consulting a doctor.
Avoid close physical contact with others when experiencing a viral outbreak.

Always consult your doctor for personalized medical advice.

Frequently Asked Questions

How long does it take for Aciclovir to work?

Aciclovir may start to relieve symptoms within a few days, but the full effect might take longer. Consult your doctor if symptoms persist.

Can Aciclovir be taken with other medications?

Aciclovir can interact with other medications. Inform your doctor about all medicines you are taking to avoid potential interactions.

Is Aciclovir safe during pregnancy?

Consult your doctor if you are pregnant or planning to become pregnant while taking Aciclovir. They can provide guidance based on your specific situation.

Can I drink alcohol while taking Aciclovir?

It is advisable to avoid alcohol while taking Aciclovir, as it may increase the risk of certain side effects.

Does Aciclovir cure herpes?

Aciclovir does not cure herpes but helps manage the symptoms and reduce the frequency of outbreaks.