Generic Name: Ethionamide

  • What is Trecator?

    Trecator is an antibiotic used with one or two other antibiotics to treat active tuberculosis. Trecator is used in people who have an infection resistant to other medicines or who are intolerant to other medicines used to treat tuberculosis.

  • What is the most important information I should know about Trecator?

    Since Trecator can cause eye problems; an eye exam will be done before starting treatment and periodically thereafter, even if you do not experience any problems. Tell your doctor if you have blurred vision or any loss of vision with or without eye pain that occurs during treatment with Trecator.

    Do not drink alcohol while you are taking Trecator. Alcohol can cause a psychotic reaction. Trecator can cause liver problems, low blood sugar levels, and hypothyroidism (an underactive thyroid gland). Your doctor will monitor your liver function, blood sugar, and thyroid function periodically.

    Take Trecator as prescribed by your doctor for the full course of treatment, even if symptoms improve earlier. Do not skip doses. Complete the full course of Trecator treatment. Skipping doses or not completing the full course of Trecator can decrease its effectiveness and can lead to the growth of bacteria that are resistant to the effects of Trecator.

  • Who should not take Trecator?

    Do not take Trecator if you are allergic to it, any of its ingredients, or if you have severe liver impairment.

  • What should I tell my doctor before I take the first dose of Trecator?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Trecator. Also, talk to your doctor about your complete medical history, especially if you have liver disease, eye problems, diabetes, or thyroid problems.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults and children ≥12 years: Your doctor will prescribe the appropriate dose for you based on your body weight.

  • How should I take Trecator?

    Take Trecator exactly as prescribed by your doctor. Do not take extra doses or stop taking Trecator without asking your doctor.

    If needed, your doctor may suggest taking vitamin B6 while you are on Trecator therapy.

  • What should I avoid while taking Trecator?

    Do not drink alcohol while you are taking Trecator.

  • What are possible food and drug interactions associated with Trecator?

    If Trecator is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Trecator with the following: alcohol, cycloserine, or isoniazid.

  • What are the possible side effects of Trecator?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: abdominal pain, anorexia, decrease in blood sugar levels, diarrhea, dizziness, drowsiness, excessive salivation, headache, low blood pressure, metallic taste, nausea, psychotic disturbances (including mental depression), restlessness, vomiting, weight loss

  • Can I receive Trecator if I am pregnant or breastfeeding?

    The effects of Trecator during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Trecator?

    If you miss a dose of Trecator, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

  • How should I store Trecator?

    Store at room temperature.