Drug information provided by: Merative, Micromedex®
To help you remember to take your medicine, try to get into the habit of taking it at the same time each day.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
For oral dosage form (capsules):
For high blood pressure caused by pheochromocytoma:
Adults—At first, 10 milligrams (mg) two times a day. Then, your doctor may increase your dose to 20 to 40 mg two or three times a day.
Children—Dose is based on body weight and must be determined by your doctor. The usual starting dose is 0.2 mg per kilogram (kg) (0.09 mg per pound) of body weight taken once a day. Then, your doctor may increase your dose to 0.4 to 1.2 mg per kg (0.18 to 0.55 mg per pound) of body weight a day. This is divided into three or four doses.
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.