GENERIC NAME: PHENOXYBENZAMINE - ORAL (fen-ox-ee-BEN-zuh-meen)
BRAND NAME(S): Dibenzyline
Medication Uses | How To Use | Side Effects | Precautions | Drug Interactions | Overdose | Notes | Missed Dose | Storage | Medical Alert
USES: This medication is used to treat symptoms of pheochromocytoma such as high blood pressure and excess sweating. Phenoxybenzamine may also be used to treat urinary problems in men who have certain prostate conditions.
HOW TO USE: Take this medication by mouth as directed. Your dose may be increased gradually every few days until the desired effect is obtained. Follow dosing instructions closely.
SIDE EFFECTS: Stomach upset, nasal congestion, drowsiness, dizziness, weakness, constricted pupils, inhibition of ejaculation may occur. These effects should subside as your body adjusts to the medication. If they continue or become bothersome, inform your doctor. Notify your doctor if you develop: a rapid or pounding heartbeat, fainting, vomiting, unusual weakness. Males - though it is unlikely to occur, if you get a painful, prolonged erection, stop using this drug and seek immediate medical attention. This medication may cause dizziness or drowsiness. Use caution engaging in activities requiring alertness. Move from a lying to standing position slowly and be careful on stairs. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Tell your doctor if you have: other pre-existing illnesses, allergies. This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Since small amounts of this medication are found in breast milk, consult your doctor before breast-feeding.
DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take, especially of: high blood pressure drugs, drugs for coughs/colds/allergies. Avoid intake of alcohol or other sedating type medications to prevent excessive drowsiness and dizziness. Do not start or stop any medicine without doctor or pharmacist approval.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
- High Blood Pressure - Learn about high blood pressure symptoms like headache, dizziness, shortness of breath, blurred vision and more. Causes, and normal blood pressure information is included.
- Pheochromocytoma - Pheochromocytoma is a tumor that produces norepinephrine and epinephrine and is equivalent to overfunction of the adrenal medulla.
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