Fusidic Acid

Fusidic acid is an antibiotic used to treat bacterial skin infections such as impetigo, infected eczema, and infected cuts or wounds. It works by stopping the growth of bacteria. If you’ve been prescribed fusidic acid, here’s what you need to know.

What is fusidic acid?

Fusidic acid is a topical antibiotic that helps treat bacterial infections on the skin.

Find your prescription medicine

Sign up in seconds to easily manage your prescription medicine and we’ll even remind you when it’s time to take or reorder it!

How does fusidic acid work?

Fusidic acid prevents bacteria from making essential proteins, stopping their growth and allowing the immune system to clear the infection.

What is fusidic acid used to treat?

Fusidic acid is commonly prescribed for:

  • Impetigo (a contagious bacterial skin infection)
  • Infected eczema or dermatitis
  • Infected cuts, wounds, or burns
  • Boils and folliculitis

Who can use fusidic acid?

Fusidic acid is suitable for most adults and children, including infants, depending on the severity of the infection.

Who might not be able to use fusidic acid?

Fusidic acid may not be suitable if you:

  • Have a history of allergic reactions to fusidic acid or similar antibiotics
  • Have severe or widespread skin infections that need oral antibiotics

Can I use fusidic acid if I’m pregnant or breastfeeding?

Fusidic acid is generally considered safe during pregnancy and breastfeeding, but speak to your doctor before using it on large areas of skin.

What if I miss a dose?

If you forget a dose, apply it as soon as you remember. If it’s close to your next dose, skip the missed one—do not apply extra to make up for it.

How effective is fusidic acid?

Fusidic acid is highly effective at treating bacterial skin infections when used consistently as prescribed.

What should I do if I use too much?

Using too much fusidic acid is unlikely to cause harm, but excessive use may lead to skin irritation or antibiotic resistance. If irritation occurs, speak to your doctor or pharmacist.

What dose of fusidic acid is usually taken?

  • For skin infections: Apply a thin layer to the affected area 2 to 3 times daily for 7 to 10 days
  • For eye infections (as an eye drop): One drop every 12 hours for up to 7 days

Your doctor will determine the correct duration based on your infection.

Powered by pharmacies

With over 1,700 pharmacy partners across the UK, you can get the help you need, wherever you are based.

Our website and mobile app make it easy and convenient to manage your health needs and book services at a pharmacy nearby.

What are the side effects of fusidic acid?

Common side effects include:

  • Mild skin irritation or redness
  • Temporary stinging or burning
  • Itching or dryness

Serious side effects, such as severe allergic reactions or worsening infection, require urgent medical attention.

How should I use fusidic acid?

Fusidic acid is available as a cream, ointment, or eye drops. Apply a thin layer to the affected area and wash your hands after use.

When should fusidic acid be used?

Fusidic acid should be applied at evenly spaced times throughout the day, as directed by your doctor or pharmacist.

What are the brand names for fusidic acid?

Fusidic acid is available as a generic medicine, but some branded versions include:

  • Fucidin
  • Fucidin H (combined with hydrocortisone for inflammation)

Final thoughts

Fusidic acid is an effective treatment for bacterial skin infections, but it should be used exactly as prescribed to avoid antibiotic resistance. If symptoms worsen or side effects occur, speak to your doctor or pharmacist.

Always consult a medical professional
This article is for informational purposes only and is not a substitute for medical advice. Always consult a healthcare professional before starting, stopping or changing any medication. If you have concerns about your medication or experience side effects, speak to your doctor or pharmacist immediately.

Download the app

Order prescriptions, book services, explore treatments and more, from your phone

download the healthera app
QR code link: https://healthera.app.link/x3gHGaQ5Otb