Generic Name: Phenoxybenzamine

  • What is Dibenzyline?

    Dibenzyline is a medicine to treat pheochromocytoma (tumor of the adrenal gland), to control episodes of high blood pressure and sweating.

  • What is the most important information I should know about Dibenzyline?

    Dibenzyline can aggravate symptoms of respiratory (lung) infections.

    Dibenzyline should not be used for long-term treatment.

  • Who should not take Dibenzyline?

    Do not use Dibenzyline if you are allergic to it or any of its ingredients.

  • What should I tell my doctor before I take the first dose of Dibenzyline?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Dibenzyline. Also, talk to your doctor about your complete medical history, especially if you have kidney damage or are suffering from arteriosclerosis (hardening of the arteries) of the brain or the heart.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: The initial dose is 10 milligrams (mg) twice a day. Your doctor may increase your dose as appropriate.

  • How should I take Dibenzyline?

    Take Dibenzyline exactly as prescribed by your doctor.

  • What should I avoid while taking Dibenzyline?

    Do not use Dibenzyline for long-term treatment.

  • What are possible food and drug interactions associated with Dibenzyline?

    If Dibenzyline is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Dibenzyline with the following: epinephrine, levarterenol, or reserpine.

  • What are the possible side effects of Dibenzyline?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: constriction of the pupil of the eye, drowsiness, fatigue, increased heart rate, nasal (nose) congestion, stomach irritation, sudden fall in blood pressure

  • Can I receive Dibenzyline if I am pregnant or breastfeeding?

    The effects of Dibenzyline during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Dibenzyline?

    If you miss a dose of Dibenzyline, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

  • How should I store Dibenzyline?

    Store at room temperature.