What happens if I miss a dose (Cytomel)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Cytomel)?
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.
What should I avoid while taking liothyronine (Cytomel)?
Do not change brands or change to a generic product without first asking your doctor. Different brands of liothyronine may not work the same. If you get a prescription refill and your new pills look different, talk with your pharmacist or doctor.
If you also take cholestyramine (Prevalite, Questran) or colestipol (Colestid), avoid taking these medications within 4 hours before or after you take liothyronine.
What other drugs will affect liothyronine (Cytomel)?
Tell your doctor about all other medicines you use, especially:
- birth control pills or hormone replacement therapy;
- a blood thinner such as warfarin (Coumadin);
- digoxin (digitalis, Lanoxin);
- epinephrine (EpiPen) or norepinephrine (Levophed);
- insulin or oral diabetes medication;
- medications that contain iodine (such as I-131);
- an antidepressant such as amitriptyline (Elavil, Vanatrip), doxepin (Sinequan), desipramine (Norpramin), imipramine (Janimine, Tofranil), nortriptyline (Pamelor), and others;
- salicylates such as aspirin, Backache Relief Extra Strength, Novasal, Nuprin Backache Caplet, Doan's Pills Extra Strength, Pepto-Bismol, Tricosal, and others;
- steroids such as prednisone and others.
This list is not complete and other drugs may interact with liothyronine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about liothyronine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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