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What Is Prazosin (Minipress)?

Prazosin, sold under the brand name Minipress, is a prescription medication used to The drug may also be used to treat patients with an Raynaud's disease, pheochromocytoma, and Ergot alkaloid poisoning. Some doctors prescribe prazosin to people with as it blocks the body's release.Prazosin is one drug in the class of alpha-adrenergic blockers, which work by relaxing the blood vessels so that blood can pass through more easily. Prazosin comes in a tablet and capsule form and is manufactured by Pfizer, Inc.

Prazosin Warnings

You may feel dizzy when you first start prazosin, since it lowers blood pressure. This effect usually stops once your body gets used to the medication. Try not to stand up too quickly.

Older patients may be more sensitive to the side effects of prazosin, especially dizziness and fainting, which can increase the risk of falling.

Before taking this drug, you should tell your doctor if you have a history of the following conditions:

  • Heart problems
  • Low blood pressure
  • Kidney disease

You should tell your doctor that you are taking this medication before having surgery, including eye surgery.

Don't stop taking prazosin without first consulting your physician. Because some conditions may worsen when the medication is stopped abruptly, your dose may need to be gradually decreased.

Prazosin Side Effects

Some less serious side effects of prazosin include:

  • Weakness
  • Tiredness
  • Dizziness
  • Nausea