Terbinafine

Terbinafine is an antifungal medication commonly used to treat infections caused by fungi. It is particularly effective against infections affecting the skin, hair, and nails.

It works by stopping the growth of fungi, helping to clear up infections over time.

Information about Terbinafine

Terbinafine Uses

Terbinafine is used to treat a variety of fungal infections. It is often prescribed for conditions such as:

  • Fungal nail infections
  • Athlete’s foot
  • Ringworm
  • Jock itch
  • Other skin infections caused by fungi

How Terbinafine Works

Terbinafine works by interfering with the production of a substance called ergosterol, an essential component of fungal cell membranes. This disruption weakens the cell membrane, leading to the death of the fungus.

By targeting the cell membrane, Terbinafine effectively stops the growth and spread of the fungal infection.

Common side effects of Terbinafine

Not everyone experiences side effects from Terbinafine, and many side effects are mild and temporary. Common side effects can include:

  • Headache
  • Stomach upset
  • Diarrhea
  • Rash
  • Loss of appetite
  • Taste disturbances
  • Fatigue

If you experience serious or persistent symptoms, contact your doctor for advice.

CONTENT DETAILS

Written By
Douglas C. Goldberg, MD
Reviewed By
Philip Schein, MD
Last updated
28 Nov 2025 | 03:00 PM (UTC)

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Expert advice for Terbinafine

  • Inform your doctor about any other medications you are taking to avoid potential interactions.
  • Avoid consuming large amounts of alcohol while using Terbinafine.
  • Do not use Terbinafine if you have liver problems unless advised by your doctor.
  • Monitor for any signs of allergic reaction, such as severe rash or difficulty breathing, and seek medical help if they occur.
  • Complete the full course of treatment as prescribed, even if symptoms improve.

Always consult your doctor if you have any concerns or questions about using Terbinafine.

Frequently Asked Questions

What is Terbinafine used for?

Terbinafine is used to treat fungal infections of the skin, hair, and nails.

How long does Terbinafine take to work?

The time it takes to see improvement varies depending on the infection, but some people notice benefits within a few weeks.

Can I drink alcohol while taking Terbinafine?

It is advisable to limit alcohol consumption while taking Terbinafine to reduce the risk of liver issues.

Are there any foods to avoid while taking Terbinafine?

There are no specific foods to avoid, but maintaining a balanced diet is always beneficial.

Is Terbinafine safe for long-term use?

Terbinafine is generally used for a specified treatment duration. Long-term use should be discussed with your doctor.

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