Ethionamide (By mouth)

There may be other brand names for this medicine.

This medicine is not right for everyone. Do not use it if you had an allergic reaction to ethionamide.

Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
It is best to take this medicine with food or milk. If the medicine does upset your stomach, it may help to take it at bedtime.
Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.
Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Some medicines can affect how ethionamide works. Tell your doctor if you are using cycloserine or isoniazid.
Do not drink alcohol while you are using this medicine.

Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, diabetes, or thyroid problems.
This medicine may cause changes in your vision. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
Your doctor may also want you to take vitamin B6 while you are using this medicine.
Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Call your doctor if your symptoms do not improve or if they get worse.
Keep all medicine out of the reach of children. Never share your medicine with anyone.

Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Blurred vision, loss of vision, with or without eye pain
Personality changes such as confusion, depression or aggression
Shaking, trembling, sweating, fast or pounding heartbeat, faintness or lightheadedness, hunger, confusion
Yellow skin or eyes, dark-colored urine

Last Updated: 1/27/2017