Ethionamide

Ethionamide is an antitubercular medication used to treat tuberculosis (TB). It is typically prescribed when other treatments are not suitable or effective.

This medication is part of a group of drugs that work together to combat TB by stopping the growth of bacteria.

Information about Ethionamide

Ethionamide Uses

Ethionamide is primarily used in the treatment of tuberculosis, particularly in specific cases or when other medications may not be effective.

  • Treating active tuberculosis infections
  • Used in combination with other antitubercular medications
  • Second-line treatment for drug-resistant tuberculosis

How Ethionamide Works

Ethionamide works by inhibiting the synthesis of mycolic acids, which are essential components of the bacterial cell wall in Mycobacterium tuberculosis.

This action helps to stop the growth and multiplication of the bacteria, aiding in the treatment of the infection.

It is often used in combination with other antitubercular drugs to enhance its effectiveness.

Common side effects of Ethionamide

Not everyone experiences side effects from Ethionamide, and many side effects are mild and temporary. However, some people may experience the following:

  • Nausea
  • Vomiting
  • Loss of appetite
  • Stomach upset
  • Dizziness
  • Headache
  • Metallic taste in the mouth

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)

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Expert advice for Ethionamide

  • Take Ethionamide exactly as prescribed by your healthcare provider.
  • Inform your doctor about any other medications you are taking to avoid interactions.
  • Avoid consuming alcohol while taking this medication, as it may increase the risk of liver problems.
  • Report any unusual symptoms or allergic reactions to your doctor immediately.
  • Regular monitoring of liver function may be recommended by your healthcare provider.

Always consult your doctor for personalized medical advice and before making any changes to your treatment plan.

Frequently Asked Questions

What is Ethionamide used for?

Ethionamide is used to treat tuberculosis, particularly in cases where other medications are not effective or suitable.

How does Ethionamide work?

Ethionamide works by stopping the growth of tuberculosis bacteria, helping to treat the infection.

Can I drink alcohol while taking Ethionamide?

It is advisable to avoid alcohol while taking Ethionamide, as it may increase the risk of liver-related side effects.

What should I do if I miss a dose of Ethionamide?

If you miss a dose, take it as soon as you remember unless it is almost time for your next dose. Do not double up on doses.

Are there any dietary restrictions while taking Ethionamide?

There are no specific dietary restrictions, but maintaining a balanced diet may help manage any gastrointestinal side effects.

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