Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Older adults may be more sensitive to the effects of liothyronine, and doses are generally lower for people in this age group.
If you are switching to liothyronine from any other thyroid medicine, stop using the other medicine before you start taking liothyronine.
Liothyronine doses are based on weight (especially in children and teenagers). Your dose needs may change if you gain or lose weight.
When given as part of a thyroid suppression test, you will need to take  liothyronine for several days in a row in preparation for the test. Tell your doctor if you miss any doses during this time.
Your thyroid function will need to be tested often. Even if you have no symptoms, tests can help your doctor determine if this medicine is effective.
If you need surgery, tell your surgeon you currently use this medicine. You may need to stop for a short time.
This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using liothyronine.
Keep using this medicine as directed, even if you feel well. You may need to take thyroid medication for the rest of your life.
Store at room temperature away from moisture and heat.
 Detailed Liothyronine dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include headache, sweating, diarrhea, irregular menstrual periods, confusion, weakness, swelling in your hands or feet, fast heart rate, chest pain, feeling short of breath, fainting, or feeling nervous, restless, or irritable.
