How was your experience with Phenoxybenzamine?

First, a little about yourself

Tell us about yourself in a few words?

What tips would you provide a friend before taking Phenoxybenzamine?

What are you taking Phenoxybenzamine for?

Choose one
  • Other
  • Hypertension, Malignant
  • Urinary Bladder Neck Obstruction
  • Urinary Incontinence

How long have you been taking it?

Choose one
  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Phenoxybenzamine work for you?

Did you experience many side effects while taking this drug?

How likely would you be to recommend Phenoxybenzamine to a friend?

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Uses of Phenoxybenzamine


Phenoxybenzamine is used in the treatment of:

  • Hypertension, Malignant
  • Urinary Incontinence
  • Urinary Bladder Neck Obstruction

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Phenoxybenzamine Brand Names

Phenoxybenzamine may be found in some form under the following brand names:

Phenoxybenzamine Drug Class

Phenoxybenzamine is part of the drug class:

Phenoxybenzamine Interactions

Tell your doctor about all the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:


This is not a complete list of Phenoxybenzaminedrug interactions. Ask your doctor or pharmacist for more information.

Phenoxybenzamine and Pregnancy

Tell your doctor if you are pregnant or plan to become pregnant.

The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy.

Phenoxybenzamine falls into category C:

In animal studies, pregnant animals were given this medication and had some babies born with problems. No well-controlled studies have been done in humans, though. Therefore, this medication may be used if the potential benefits to the mother outweigh the potential risks to the unborn child.


There are no well-controlled studies that have been done in pregnant women. Phenoxybenzamine should be used during pregnancy only if the possible benefit outweighs the possible risk to the unborn baby.


No studies have been done in animals, and no well-controlled studies have been done in pregnant women. Phenoxybenzamine should be given to a pregnant woman only if clearly needed.

Phenoxybenzamine Dosage

Take phenoxybenzamine exactly as prescribed by your doctor. Follow the directions on your prescription label carefully.

The Phenoxybenzamine dose your doctor recommends will be based on the following (use any or all that apply):

  • the condition being treated
  • other medical conditions you have
  • other medications you are taking
  • how you respond to this medication
  • your weight
  • your height
  • your age
  • your gender

Phenoxybenzamine is available in the following doses:

  • Phenoxybenzamine 10 Mg Oral Capsule
  • Phenoxybenzamine Compounding Powder

Forms of Medication

Phenoxybenzamine is available in the following forms:

  • Injectable Solution
  • Oral Capsule

All RxWiki content including health news, medication pages, and condition pages published prior to February 2023, was written and maintained by on-staff pharmacists. Please be advised that this content is no longer actively maintained and may now contain outdated information. If you have any questions regarding previously published content, please contact