Your doctor will tell you how much of this medicine to use and how often. Do not use more medicine or use it more often than your doctor tells you to. You will be given this medicine several hours before you have your test.
You may be told to take this medicine with a snack or milk.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are also using corticosteroids, such as prednisolone, prednisone, dexamethasone, cortisone (Cortone®) or hydrocortisone (Cortef®, Hydrocortone®), or if you are also using phenytoin (Dilantin®). Make sure your doctor knows if you are using estrogens (Alora®, Estrace®, Climara®, Estraderm®, Delestrogen®, Valergen®, Permarin®). These medicines may affect the results of the metyrapone test, and you may need to stop using them before and during your test.
Make sure your doctor knows if you are also using acetaminophen (aspirin, Tylenol®) on a regular basis.
Make sure your doctor knows if you are also using insulin or antidiabetic medicines. These medicines include insulin lispro (Humalog®), glipizide (Glucotrol®), glimepiride (Amaryl®), glyburide/metformin (Glucovance®), metformin (Glucophage®), pioglitazone (Actos®), and rosiglitazone (Avandia®).