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Medications and Drugs

Brand Names: Compro

Generic Name: prochlorperazine (rectal) (Pronunciation: pro klor PER a zeen)

What is rectal prochlorperazine (Compro)?

Prochlorperazine is in a group of drugs called phenothiazines (FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain.

Prochlorperazine is used to treat psychotic disorders such as schizophrenia. It is also used to treat anxiety, and to control severe nausea and vomiting.

Prochlorperazine may also be used for other purposes not listed in this medication guide.

What are the possible side effects of rectal prochlorperazine (Compro)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using prochlorperazine and call your doctor at once if you have a serious side effect such as:

  • twitching or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs;
  • tremor (uncontrolled shaking), drooling, trouble swallowing, problems with balance or walking;
  • high fever, stiff muscles, confusion, sweating, fast or uneven heartbeats, rapid breathing;
  • fainting, seizure (black-out or convulsions);
  • decreased night vision, tunnel vision, watery eyes, increased sensitivity to light;
  • nausea and stomach pain, skin rash, and jaundice (yellowing of the skin or eyes);
  • pale skin, easy bruising or bleeding, fever, sore throat, flu symptoms;
  • urinating less than usual or not at all;
  • joint pain or swelling with fever, swollen glands, muscle aches, chest pain, vomiting, unusual thoughts or behavior, and patchy skin color; or
  • slow heart rate, weak pulse, fainting, slow breathing (breathing may stop).

Less serious side effects may include:

  • dizziness, drowsiness, anxiety, headache;
  • sleep problems (insomnia), strange dreams;
  • blurred vision, dry mouth, stuffy nose;
  • constipation;
  • breast swelling or discharge, a missed menstrual period;
  • ;
  • weight gain, swelling in your hands or feet;
  • impotence, trouble having an orgasm; or
  • mild itching or skin rash.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about rectal prochlorperazine (Compro)?

Stop using this medication and call your doctor at once if you have twitching or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs. These could be early signs of dangerous side effects.

Do not use prochlorperazine if you have brain damage, bone marrow depression, or are using large amounts of alcohol or medicines that make you sleepy. Do not use if you are allergic to prochlorperazine or other phenothiazines.

Before using prochlorperazine, tell your doctor about all your medical conditions, and all other medications you use.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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