Brand Names: Trecator

Generic Name: ethionamide (Pronunciation: e thye on AM ide)

• What is ethionamide (Trecator)?
• What are the possible side effects of ethionamide (Trecator)?
• What is the most important information I should know about ethionamide (Trecator)?
• Who should not take ethionamide (Trecator)?
• How should I take ethionamide (Trecator)?
• What happens if I miss a dose (Trecator)?
• What happens if I overdose (Trecator)?
• What should I avoid while taking ethionamide (Trecator)?
• What other drugs will affect ethionamide (Trecator)?
• Where can I get more information?

What is ethionamide (Trecator)?

Ethionamide is an antibiotic. It prevents the growth of bacteria in your body.

Ethionamide is used to treat tuberculosis (TB).

Ethionamide may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of ethionamide (Trecator)?

If you experience any of the following serious side effects, stop taking ethionamide and seek emergency medical attention:

• an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);
• yellow skin or eyes;
• dark urine;
• numbness or tingling in your hands or feet;
• seizures;
• blurred or double vision; or
• confusion or abnormal behavior.

Other, less serious side effects may be more likely to occur. Continue to take ethionamide and talk to your doctor if you experience

• nausea, vomiting, or loss of appetite;
• a metallic taste in your mouth;
• excessive salivation;
• diarrhea;
• unusual fatigue or weakness;
• headache;
• mild dizziness;
• tremors (shaking); or
• a rash.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

Read the Trecator (ethionamide tablets) Side Effects Center for a complete guide to possible side effects »

What is the most important information I should know about ethionamide (Trecator)?

Take all of the ethionamide that has been prescribed for you even if you begin to feel better. Your symptoms may begin to improve before the infection is completely treated.

Ethionamide may cause stomach upset, a loss of appetite, a metallic taste in your mouth, or excessive salivation (mouth watering). Notify your doctor if these side effects are persistent or severe.