Treats high blood pressure caused by pheochromocytoma. Belongs to a class of drugs called alpha blockers.
Store the capsules at room temperature, away from heat, moisture, and direct light.
Keep all medicine out of the reach of children.
Your doctor will tell you how much medicine to use and how often.
Call your doctor right away if you notice any of these side effects:
You should not use this medicine if you have had an allergic reaction to phenoxybenzamine or if you have problems caused by very low blood pressure.
Use the missed dose as soon as possible, unless it is almost time for your next dose.
Skip the missed does if it is almost time for your next regular dose.
You should not use two doses at the same time.
Talk with your doctor before using this medicine if you have heart disease, chest pain (angina), blocked blood vessels, a lung infection, or kidney disease.
If you are pregnant or breastfeeding, talk to your doctor before using this medicine.
This medicine may make you dizzy or drowsy.
Avoid driving or using machinery until you know how the medicine will affect you.
Dizziness may be worse when you stand up too fast after you have been sitting or lying down.
Getting up slowly from a sitting or lying position may help decrease dizziness.
If you start to feel faint or dizzy, sit or lie down.
OF USE: The information in this database is intended to supplement, not substitute
for, the expertise and judgement of healthcare professionals. The information
is not intended to cover all possible uses, directions, precautions, drug interactions
or adverse effects, nor should it be construed to indicate that use of a particular
drug is safe, appropriate or effective for you or anyone else. A healthcare professional
should be consulted before taking any drug, changing any diet or commencing or
discontinuing any course of treatment.