Generic Name: Liothyronine Tablets (lye oh THYE roh neen)
Brand Name: Cytomel
Medically reviewed on April 4, 2018.
Uses of Liothyronine Tablets:
- It is used to add thyroid hormone to the body.
- It is used to treat or prevent an enlarged thyroid gland.
- It is used to test for thyroid problems.
What do I need to tell my doctor BEFORE I take Liothyronine Tablets?
- If you have an allergy to liothyronine or any other part of this medicine (liothyronine tablets).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Overactive thyroid gland or weak adrenal gland.
This is not a list of all drugs or health problems that interact with this medicine (liothyronine tablets).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (liothyronine tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Liothyronine Tablets?
- Tell all of your health care providers that you take this medicine (liothyronine tablets). This includes your doctors, nurses, pharmacists, and dentists.
- Do not run out of this medicine (liothyronine tablets).
- If you have high blood sugar (diabetes), you will need to watch your blood sugar closely.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- This medicine may affect how much of some other drugs are in your body. If you are taking other drugs, talk with your doctor. You may need to have your blood work checked more closely while taking this medicine (liothyronine tablets) with your other drugs.
- If you are 65 or older, use this medicine (liothyronine tablets) with care. You could have more side effects.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine (liothyronine tablets) while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
How is this medicine (Liothyronine Tablets) best taken?
Use this medicine (liothyronine tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take this medicine (liothyronine tablets) at the same time of day.
- If you take colesevelam, colestipol, or cholestyramine, talk with your pharmacist about how to take them with this medicine (liothyronine tablets).
- It may take several weeks to see the full effects.
- Keep taking this medicine (liothyronine tablets) as you have been told by your doctor or other health care provider, even if you feel well.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of a weak adrenal gland like a very bad upset stomach or throwing up, very bad dizziness or passing out, muscle weakness, feeling very tired, mood changes, not hungry, or weight loss.
- Signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.
- Chest pain or pressure or a fast heartbeat.
- A heartbeat that does not feel normal.
- Feeling nervous and excitable.
- Bothered by heat.
- Sweating a lot.
- Feeling irritable.
- Shortness of breath, a big weight gain, or swelling in the arms or legs.
- Period (menstrual) changes.
What are some other side effects of Liothyronine Tablets?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Hair loss may happen in some people in the first few months of using this medicine (liothyronine tablets). This most often goes back to normal.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Liothyronine Tablets?
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Protect from light.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this medicine (liothyronine tablets), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about liothyronine
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 39 Reviews – Add your own review/rating
- Drug class: thyroid drugs
- Liothyronine Injection
- Liothyronine (Advanced Reading)
- Liothyronine Intravenous (Advanced Reading)