Methergine oral and injection

Name: Methergine oral and injection

What should I avoid while taking Methergine (methylergonovine oral and injection)?

Grapefruit and grapefruit juice may interact with methylergonovine and lead to unwanted side effects. Discuss the use of grapefruit products with your doctor.

For the Consumer

Applies to methylergonovine: oral tablet

Other dosage forms:

  • injection solution

Along with its needed effects, methylergonovine (the active ingredient contained in Methergine) 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 immediately if any of the following side effects occur while taking methylergonovine:

More common
  • Abdominal pain
  • headache
  • increased blood pressure
Rare
  • Blood in the urine
  • change in skin color
  • chest pain or discomfort
  • difficult or labored breathing
  • difficulty with swallowing
  • dizziness
  • fast, pounding, or irregular heartbeat or pulse
  • hives
  • lightheadedness, dizziness, or fainting
  • pain or discomfort in the arms, jaw, back, or neck
  • pain, tenderness, or swelling of the foot or leg
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • slow or fast heartbeat
  • skin rash
  • sweating
  • vomiting
Incidence not known
  • Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • confusion
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • fainting
  • inability to speak
  • seizures
  • severe or sudden headache
  • slurred speech
  • temporary blindness
  • weakness in the arm or leg on one side of the body, sudden and severe

Some side effects of methylergonovine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Rare
  • Continuous ringing or buzzing or other unexplained noise in the ears
  • cramps in the legs
  • diarrhea
  • foul taste
  • increased sweating
  • nausea
  • stuffy nose

Methylergonovine Identification

Substance Name

Methylergonovine

CAS Registry Number

113-42-8

Drug Class

Ergot Alkaloids

Oxytocics

Administrative Information

LactMed Record Number

467

Last Revision Date

20170706

Disclaimer

Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

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