Active Ingredient

Imiquimod

Imiquimod is a topical medication used to treat certain skin conditions. It helps the body’s immune system fight against abnormal skin growths.

This medication is often used in cases where the skin conditions are caused by viruses or abnormal cell growth.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Imiquimod Brands

Strengths 5% 250mg

Strengths 12.5mg

Imiquimod is commonly used to treat a variety of skin conditions. It is applied directly to the affected area to help manage these conditions.

Imiquimod works by stimulating the immune system to release natural substances that help fight against the virus or abnormal cells.

It activates immune cells in the skin, enhancing the body’s ability to clear the affected area.

This action helps reduce the growth of abnormal cells and promotes healing of the skin.

Not everyone experiences side effects with Imiquimod, and many are mild and temporary. However, some common side effects can occur.

If you experience serious or persistent symptoms, contact your healthcare provider.

How long does it take for Imiquimod to work?

The time it takes for Imiquimod to show effects can vary. It may take several weeks to see improvement.

Can I use Imiquimod on my face?

Imiquimod can be used on the face if prescribed by your healthcare provider. Follow their instructions carefully.

Is it safe to use Imiquimod during pregnancy?

Discuss with your doctor if you are pregnant or planning to become pregnant before using Imiquimod.

Can I use other skin products with Imiquimod?

Avoid using other skin products on the treated area unless directed by your doctor to prevent irritation.

What should I do if I miss a dose?

If you miss a dose, apply it as soon as you remember. If it’s close to your next dose, skip the missed dose.