Before taking thyroid,
tell your doctor and pharmacist if you are allergic to thyroid, any other medications, pork, or any of the ingredients in thyroid tablets. Ask your pharmacist for a list of the ingredients.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Be sure to mention any of the following: androgens such as danazol or testosterone; anticoagulants ('blood thinners') such as warfarin (Coumadin);antidepressants; aprepitant (Emend); carbamazepine (Carbatrol, Epitol, Tegretol);diabetes medications that you take by mouth;, digoxin (Lanoxin); efavirenz (Sustiva); estrogen (hormone replacement therapy) griseofulvin (Fulvicin, Grifulvin, Gris-PEG); human growth hormone (Genotropin); insulin; lovastatin (Altocor, Mevacor); nevirapine (Viramune); oral contraceptives containing estrogen; oral steroids such as dexamethasone (Decadron, Dexone, Dexpak), methylprednisolone (Medrol), and prednisone (Deltasone); phenobarbital (Luminal, Solfoton); phenytoin (Dilantin, Phenytek); potassium iodide (contained in Elixophyllin-Kl, Pediacof, KIE); rifabutin (Mycobutin); rifampin (Rifadin, Rimactane, in Rifamate); ritonavir (Norvir, in Kaletra);salicylate pain relievers such as aspirin and aspirin-containing products, choline magnesium trisalicylate, choline salicylate (Arthropan), diflunisal (Dolobid), magnesium salicylate (Doan's, others), and salsalate (Argesic, Disalcid, Salgesic); strong iodine solution (Lugol's Solution);and theophylline (Elixophyllin, Theolair, Theo-24, Quibron, others).
if you take cholestyramine (Questran) or colestipol (Colestid), take it at least 4 hours before taking your thyroid medication. If you take antacids, iron-containing medications or nutritional supplements, simethicone, or sucralfate (Carafate), take them at least 4 hours before or 4 hours after taking your thyroid medication.
tell your doctor what herbal products you are taking, especially St. John's wort.
tell your doctor if you have or have ever had diabetes; osteoporosis; hardening or narrowing of the arteries (atherosclerosis); cardiovascular disease such as high blood pressure, high blood cholesterol and fats, angina (chest pain), arrhythmias, or heart attack; malabsorption diseases (conditions that cause a decrease in absorption from the intestine); an underactive adrenal or pituitary gland; or kidney or liver disease.
tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking thyroid, call your doctor.
talk to your doctor about the risks and benefits of taking thyroid if you are 65 years of age or older. Older adults should not usually take thyroid becasue it is not as safe as other medications that can be used to treat the same condition.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking thyroid.