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Methylergonovine (oral and injection)
Generic name: methylergonovine (oral and injection)
Brand names: Methergine
What is methylergonovine?
Methylergonovine is used right after a baby is born to help deliver the placenta, which is also known as the "afterbirth." It is also used to help control bleeding and to improve muscle tone in the uterus after childbirth.
Methylergonovine may also be used for reasons not mentioned in this medication guide.
This section was rewritten for readability and reviewed for meaning.
How should I use methylergonovine?
Methylergonovine injection is given into a muscle or into a vein through an IV. You will receive this injection while you are in the delivery room and for a short time after your baby is born, if needed.
Methylergonovine oral is a tablet taken by mouth 3 or 4 times daily for up to 1 week after your baby is born.
Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Methylergonovine should not be used for longer than 1 week unless your doctor has told you otherwise.
Store at room temperature away from moisture, heat, and light.
This section was rewritten for readability and reviewed for meaning.
Warnings
You should not use methylergonovine during your pregnancy. This medication is to be used only after the delivery of your baby.
Do not breast-feed within 12 hours after using methylergonovine. If you use a breast pump during this time, throw out any milk you collect. Do not feed it to your baby.
This section was rewritten for readability and reviewed for meaning.
Before taking this medicine
You should not use methylergonovine if you are allergic to it, or if you have:
- high blood pressure;
- toxemia of pregnancy; or
- if your baby has not yet been born.
Tell your doctor if you have ever had:
- liver or kidney disease; or
- risk factors for coronary artery disease (such as diabetes, menopause, smoking, being overweight, having high blood pressure or high cholesterol, having a family history of coronary artery disease).
You should not use methylergonovine during your pregnancy. methylergonovine is to be used only after delivery of your baby.
Do not breast-feed within 12 hours after using methylergonovine. If you use a breast pump during this time, throw out any milk you collect. Do not feed it to your baby.
This section was rewritten for readability and reviewed for meaning.
Methylergonovine side effects
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.
Methylergonovine may cause serious side effects. Call your doctor at once if you have:
- increased blood pressure (severe headache, blurred vision, pounding in your neck or ears);
- chest pain, sweating, pounding heartbeats or fluttering in your chest;
- a seizure;
- numbness, tingling, or cold feeling in your fingers or toes;
- a light-headed feeling, like you might pass out; or
- sudden numbness or weakness on one side of the body, problems with vision or speech, pain or swelling in one leg.
Common side effects of methylergonovine may include:
- increased blood pressure (severe headache, blurred vision, pounding in your neck or ears);
- a seizure; or
- headache.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
This section was rewritten for readability and reviewed for meaning.
Methylergonovine dosing information
Usual Adult Dose for Postpartum Bleeding:
Parenteral: 0.2 mg IM after delivery of the placenta or during the puerperium; may be repeated at intervals of 2 to 4 hours as requiredOrally: 0.2 mg orally 3 or 4 times a day for a maximum of 1 week during the puerperium Comments: -Under full obstetric supervision, this drug may be given parenterally during the second stage of labor following delivery of the anterior shoulder.-IV administration should be avoided unless administration is considered life-saving; IV dosing is the same as IM, give IV slowly over at least 60 secondsUses: -For routine management of uterine atony, hemorrhage and subinvolution of the uterus following delivery of the placenta. -For control of uterine hemorrhage in the second stage of labor following delivery of the anterior shoulder.
What happens if I miss a dose?
Take the medicine as soon as you can. If it is almost time for your next dose, skip the missed dose. Do not take two doses at the same time.
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What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include vomiting, stomach pain, throbbing headache, numbness or tingling in your fingers or toes, cold feeling, weak or shallow breathing, or seizure (convulsions).
Grapefruit may interact with methylergonovine and cause side effects. Avoid consuming grapefruit products.
This section was rewritten for readability and reviewed for meaning.
What other drugs will affect methylergonovine?
Sometimes, it is not safe to use certain medicines at the same time. Some drugs can change how much of other drugs is in your blood, which may increase side effects or make the medicines less effective.
Tell your doctor about all your current medicines. Many drugs can affect methylergonovine, especially:
- anesthetics--halothane and methoxyflurane; or
- a beta blocker--atenolol, carvedilol, labetalol, metoprolol, nadolol, nebivolol, propranolol, sotalol, and others.
This list is not complete, and many other drugs may affect methylergonovine. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
This section was rewritten for readability and reviewed for meaning.
Related medicines
Content is provided for education and is not medical advice. See our medical disclaimer.