Heparin (Intravenous Route, Subcutaneous Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

Less common
  • Abdominal or stomach pain or swelling
  • Back pain or backaches
  • Bleeding from the gums when brushing teeth
  • Blood in the urine
  • Constipation
  • Coughing up blood
  • Dizziness
  • Headaches, severe or continuing
  • Heavy bleeding or oozing from cuts or wounds
  • Joint pain, stiffness, or swelling
  • Menstrual bleeding, unexpected or unusually heavy
  • Unexplained bruising or purplish areas on the skin
  • Unexplained nosebleeds
  • Vomiting of blood or material that looks like coffee grounds
Rare
  • Blood under the skin (blood blister) at the place of injection
  • Chest pain
  • Chills or fever
  • Fast or irregular breathing
  • Irritation, pain, redness, or ulcers at the place of injection
  • Itching and burning feeling, especially on the bottom of the feet
  • Nausea or vomiting
  • Numbness or tingling in the hands or feet
  • Pain, coldness, or blue color of the skin on the arms or legs
  • Peeling of the skin
  • Puffiness or swelling of the eyelids or around the eyes
  • Shortness of breath
  • Skin color change, especially near the place of injection or in the fingers, toes, arms, or legs
  • Skin rash, hives, or itching
  • Tearing of the eyes
  • Tightness in the chest
  • Trouble with breathing
  • Wheezing

After you stop using this medicine, it may still produce some side effects that need attention. During this period of time, check with your doctor immediately if you notice the following side effects:

  • Black, tarry stools
  • Bleeding gums
  • Blood in the urine or stools
  • Pain in the chest, groin, or legs, especially calves of legs
  • Pinpoint red spots on the skin
  • Severe headaches of sudden onset
  • Sudden loss of coordination
  • Sudden shortness of breath for no apparent reason
  • Sudden slurred speech
  • Sudden vision changes
  • Unusual bleeding or bruising

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions
DR601931 Portions of this document last updated: Nov. 1, 2011

Source: Drug Information provided by: Micromedex

Copyright © 2013 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

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