What is Phenoxybenzamine Hcl: Uses, Warnings & Interactions

Updated Jan 13, 2021  •  Published Dec 30, 2020

Phenoxybenzamine Hcl overview

BRAND NAMES:

  • Phenoxybenzamine HCl, Dibenzyline

Generic Names:

  • Phenoxybenzamine Hcl

Uses:

  • Treats high blood pressure and sweating caused by pheochromocytoma.

Therapeutic Classes:

  • Cardiovascular Agent

Forms:

  • Capsule

How it’s taken:

  • By mouth

What is Phenoxybenzamine Hcl used for?

Dibenzyline is an alpha blocker used to treat high blood pressure and heavy sweating due to pheochromocytoma, a tumor of the adrenal glands. It works by relaxing and widening blood vessels so that blood can flow more easily.

What form(s) does Phenoxybenzamine Hcl come in

  • Capsule

What are common Phenoxybenzamine Hcl doses?

  • Capsule 10MG

Common Phenoxybenzamine Hcl prescriptions

  • Phenoxybenzamine HCl
    10mg capsule

How to take Phenoxybenzamine Hcl

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Missed dose:Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Missed dose:Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Phenoxybenzamine Hcl contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to phenoxybenzamine, or if you have a condition that could be worsened by very low blood pressure.

Phenoxybenzamine Hcl warnings

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • This medicine is not for long-term use.

  • Tell your doctor if you are pregnant or breastfeeding, or if you have heart disease, chest pain (angina), blood vessel disease, a lung infection, or kidney disease.

  • This medicine may make you dizzy or drowsy. Do not drive, use machines, or do anything else that may be dangerous until you know how this medicine affects you.

  • Dizziness may be worse when you stand up quickly. It may help to rise slowly from a sitting or lying position.

Phenoxybenzamine Hcl interactions

  • Some medicines can affect how phenoxybenzamine works. Tell your doctor if you are using diet pills or medicine to treat colds, hay fever, or a stuffy nose.

  • This medicine may make you dizzy or drowsy. Do not drive, use machines, or do anything else that may be dangerous until you know how this medicine affects you.

  • Dizziness may be worse when you stand up quickly. It may help to rise slowly from a sitting or lying position.

  • This medicine is not for long-term use.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Phenoxybenzamine Hcl side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Fainting

  • Fast heartbeat

  • Tiredness or drowsiness

  • Trouble with ejaculation

Less Serious Side Effects

  • Nausea or vomiting

  • Trouble with ejaculation

  • Blurred vision

  • Tiredness or drowsiness

  • Stuffy nose