Your weight has changed quite a bit. This was truly life changing for me. Consult your healthcare professional (e.g., doctor or pharmacist) for more in formation. Some supplements and medications can also interfere with the way Synthroid works. Levothyroxine should never be taken with other medication as the other medications will stop it from working. Absorption Issues. Many drugs can interact with levothyroxine. Drugs & Medications Synthroid. Dangerous side effects or death can occur from the misuse of levothyroxine, especially if you are taking any other weight-loss medications or appetite suppressants. These medications may interact and cause very harmful effects. Had I been taking my medication wrong all … Synthroid should not be used to treat obesity or weight problems. These medications may cause some risk when taken together. Agents that bind cholesterol such as cholestyramine have the same effect and should also not be taken apart from the Synthroid. To avoid this, you should take Synthroid 4 hours before or after taking: Iron supplements and multivitamins with iron ; Calcium supplements or multivitamins with calcium ; Antacids Set your alarm clock an hour ahead of you eating breakfast then take your other morning meds 30 minutes later. Soybean flour ( Medically reviewed by John A. Daller, MD; American Board of Surgery with subspecialty certification in surgical critical care Aluminum and magnesium containing antacids, calcium carbonate, simethicone, or sucralfate and iron-containing compounds may decrease the absorption of Synthroid; so you should not take these medications within four hours of taking Synthroid. MedicineNet does not provide medical advice, diagnosis or treatment. 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. Consult your healthcare professional (e.g., doctor or pharmacist) for more in formation.Selected from data included with permission and copyrighted by First Databank, Inc. Consult your healthcare professional (e.g., doctor or pharmacist) for more in formation.These medications may cause some risk when taken together. example, asparagus, cabbage, peas, turnip greens, broccoli, spinach, brussel sprouts, lettuce, soybeans). In regard to foods and herbs, while nothing is off limits in most cases, it is reasonable to limit intake of goitrogenic foods (for This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.Things to remember when you fill your prescription.WebMD does not provide medical advice, diagnosis or treatment. For these reasons it is recommended that thyroid medication be taken on an empty stomach 30-60 minutes before meals or at least three hours afterward.What is hyperthyroidism? •antacids that contain aluminum or magnesium (such as Acid Gone, Aldroxicon, Alternagel, Di-Gel, Gaviscon, Gelusil, Genaton, Maalox, Maldroxal, Milk of Magnesia, Mintox, Mylagen, Mylanta, Pepcid Complete, Rolaids, Rulox); or •cholesterol-lowering drugs cholestyramine (Questran) and colestipol (Colestid). Since thyroid hormone occurs naturally in the body, almost anyone can take levothyroxine. As with most medications, if you’ve gained or lost weight, you … While this is not a complete list, it gives you an idea of interactions you may need to consider. Learn hyperthyroidism causes, symptoms, and treatment.MedicineNet does not provide medical advice, diagnosis or treatment. Thyroid medications: If you take a thyroid medication such as levothyroxine (Synthroid), do not take any iron, calcium or aluminum (found in antacids) within four hours because they … Hyperthyroidism occurs when an overactive thyroid gland produces an excessive amount of thyroid hormones.