Dibenzyline (Phenoxybenzamine)


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FormulationFormulation: Capsule
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$105.00 ($2.10 per capsule)

$201.00 ($2.01 per capsule)

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Dibenzyline (Phenoxybenzamine) is used to treat high blood pressure and heavy sweating due to a certain tumor of the adrenal glands known as pheochromocytoma.

Phenoxybenzamine, the active ingredient in Dibenzyline, belongs to a class of drugs known as alpha-blockers. It works by relaxing and widening blood vessels, facilitating easier blood flow.


  • Take Dibenzyline exactly as prescribed by your healthcare provider, usually 2-3 times a day.
  • Take it with or without food.
  • Take it consistently at the same times each day.
  • Continue taking it even if you feel well. High blood pressure often has no symptoms.
  • Tell your healthcare provider if your condition worsens or doesn't improve.


  • Don't stop taking Dibenzyline abruptly without talking to your healthcare provider.
  • Don't sake more than the prescribed dose.

Common Side Effects:

  • Gastrointestinal irritation
  • Drowsiness
  • Fatigue
  • Postural hypotension
  • Tachycardia
  • Inhibition of ejaculation
  • Nasal congestion
  • Miosis
  • Dizziness or lightheadedness, particularly in the elderly
  • Reduced tolerance to cold temperatures in elderly patients

Serious Side Effects:

  • Allergic reactions, although very rare, may include symptoms such as rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, and trouble breathing
  • Fast heartbeat
  • Fainting
  • Sexual problems in males, such as trouble ejaculating
  • Weakness
  • Painful or prolonged erection lasting 4 or more hours (in males), which requires immediate medical attention
  • Severe dizziness or feeling like one might pass out

This is not an exhaustive list, and other side effects may occur. If you experience any unusual or severe side effects while taking Dibenzyline,  contact your healthcare provider for medical advice.

Inform your healthcare provider if you have allergies to danocrine, other alpha blockers, or any other medications.

Mention your medical history especially regarding blood vessel diseases, heart problems, kidney issues, lung infections, or certain eye conditions (cataracts, glaucoma) before using danocrine.

Danocrine may cause dizziness or drowsiness. Avoid driving, operating machinery, or activities requiring alertness until you can perform them safely.

Limit alcohol consumption and discuss marijuana use with your healthcare provider as they can worsen dizziness.

Inform your healthcare provider about danocrine use before any surgery, including eye surgeries for cataracts or glaucoma.

Older adults may experience increased dizziness with danocrine, raising the risk of falls.

Danocrine should only be used during pregnancy if absolutely necessary. Discuss risks and benefits with your healthcare provider.

It is unknown if danocrine passes into breast milk. Consult your healthcare provider before breastfeeding.

Danocrine can interact with other medications, affecting how they work or increasing side effects.

Provide your healthcare provider with a list of all medications (prescription, non-prescription, and herbal) you are taking to avoid potential interactions.

Never adjust the dosage of any medications without consulting your healthcare provider.

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Strength(s): 10mg
Quantities Available: 50, 100


Important Information
The information above for Dibenzyline (Phenoxybenzamine) was provided to DoctorSolve.com by third parties. In no way should this information substitute for the advice of a physician. Consult a doctor or qualified health care professional if you have any medical concerns.
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