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Author: Admin | 2025-04-28
While using levothyroxine? What should I avoid while using levothyroxine? Avoid the following food products, which can make your body absorb less levothyroxine: grapefruit juice, infant soy formula, soybean flour, cotton seed meal, walnuts, and high-fiber foods. What are the possible side effects of levothyroxine? What are the possible side effects of levothyroxine? Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have: fast or irregular heartbeats; chest pain, pain spreading to your jaw or shoulder; shortness of breath; fever, hot flashes, sweating; tremors, or if you feel unusually cold; weakness, tiredness, sleep problems (insomnia); memory problems, feeling depressed or irritable; headache, leg cramps, muscle aches; feeling nervous or irritable; dryness of your skin or hair, hair loss; irregular menstrual periods; or vomiting, diarrhea, appetite changes, weight changes. Certain side effects may be more likely in older adults. Common side effects may include: chest pain, irregular heartbeats; shortness of breath; headache, leg cramps, muscle pain or weakness; tremors, feeling nervous or irritable, trouble sleeping; increased appetite; feeling hot; weight loss; changes in your menstrual periods; diarrhea; or skin rash, partial hair loss. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. What other drugs will affect levothyroxine? What other drugs will affect levothyroxine? Many other medicines can be affected by your thyroid hormone levels. Certain other medicines may also increase or decrease the effects of levothyroxine. If you use any of the following drugs, avoid taking them within 4 hours before or 4 hours after you use levothyroxine: calcium carbonate (Alka-Mints, Caltrate, Os-Cal, Oyster Shell Calcium, Rolaids Soft Chew, Tums, and others); cholestyramine, colesevelam, colestipol; ferrous sulfate iron supplement; sucralfate; sodium polystyrene sulfonate (Kalexate, Kayexalate, Kionex); stomach acid reducers --esomeprazole, lansoprazole, omeprazole, rabeprazole, Nexium, Prilosec, Prevacid, Protonix, Zegerid, and others; or antacids that contain aluminum or magnesium --Gaviscon, Maalox, Milk of Magnesia, Mintox, Mylanta, Pepcid Complete, and others. Many drugs can affect levothyroxine. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using. Where can I get more information? Where can I get more
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