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Cabergoline

Brand names: Dostinex (brand discontinued)

Cabergoline lowers high prolactin levels and shrinks prolactin-making pituitary tumors.

Brand namesDostinex (brand discontinued)
Type of medicineDopamine agonist
Prescription?Prescription
ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.

Overview

It's taken once or twice a week.

What it's used for

  • High prolactin and prolactinomas
  • Stopping breast milk production (off-label)

How to take it

  • Take it with food once or twice a week.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

  • Nausea
  • Dizziness
  • Headache
  • Tiredness
Call your provider todayShortness of breath, cough, or swelling (rare heart valve or lung problems)
Call your provider todayStrong urges you can't control, like gambling

Warnings

  • Higher doses for long periods need heart valve checks.

Other medicines, foods, and alcohol

  • Antipsychotics and metoclopramide work against it.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Usually stopped once pregnant. Talk with your provider.

Missed doses, overdose, and storage

If you miss a dose

Take it as soon as you remember, unless it's almost time for your next dose. Then skip the missed dose. Don't take two doses at once.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.

Conditions it's used for

Sources

Last updated 2026-11-13.