Active Ingredient

Fusidic Acid

Fusidic Acid is an antibiotic used to treat bacterial infections. It is particularly effective against certain types of bacteria that cause skin infections.

This medication is often applied topically to target localized infections and reduce symptoms such as redness and swelling.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Fusidic Acid Brands

Fucidin cream

Strengths 2% 5 gm, 2% 15 gm

Fusidic Acid Uses

Fusidic Acid is primarily used for treating bacterial skin infections. It helps in managing infections caused by susceptible bacteria.

Impetigo
Infected dermatitis
Folliculitis
Abscesses
Boils

How Fusidic Acid Works

Fusidic Acid works by inhibiting bacterial protein synthesis, which is essential for bacteria to grow and multiply. By stopping the production of proteins, it effectively kills the bacteria or stops their growth.

This antibiotic specifically targets bacteria, making it useful for treating infections without affecting the surrounding healthy tissue.

Common side effects of Fusidic Acid

Not everyone experiences side effects from Fusidic Acid, and many side effects are mild and temporary. However, some people may notice certain reactions.

Skin irritation
Rash
Itching
Redness at the application site
Dry skin
Swelling

If you experience severe or persistent symptoms, it is important to contact your doctor.

Apply Fusidic Acid only to the affected area as directed by your healthcare provider.
Avoid contact with eyes and mouth; rinse thoroughly with water if accidental contact occurs.
Do not mix with other topical treatments unless advised by your doctor.
Avoid heavy alcohol consumption while using this medication.
If you notice signs of an allergic reaction, such as difficulty breathing or facial swelling, seek medical attention immediately.

Always consult your doctor or healthcare provider for personalized advice.

Frequently Asked Questions

What is Fusidic Acid used for?

Fusidic Acid is used to treat bacterial infections, particularly those affecting the skin.

How quickly does Fusidic Acid work?

The effects of Fusidic Acid can be noticed within a few days, but the full course should be completed as prescribed by your doctor.

Can I use Fusidic Acid for any skin infection?

Fusidic Acid is effective against certain bacterial infections. It’s important to consult a doctor to ensure it’s appropriate for your condition.

Are there any interactions with Fusidic Acid?

Fusidic Acid may interact with other medications. Discuss all your current medications with your doctor to avoid potential interactions.

Is Fusidic Acid safe for long-term use?

Fusidic Acid is typically used for short-term treatment. Long-term use should be guided by a healthcare professional to prevent resistance.