Package Leaflet: Information for the Patient
METHERGÍN 0.2 mg/ml Solution for Injection
metilergometrine maleate
Read all of this leaflet carefully before you start using this medicine because it contains important information for you.
Contents of the Package Leaflet
Methergín contains metilergometrine as the active substance. It belongs to a group of medicines that work by stimulating the uterus, increasing the frequency and duration of uterine contractions.
Methergín is used:
Methergín should not be used to induce or accelerate labor.
Warnings and precautions
Consult your doctor or pharmacist before starting to use Methergín.
If any of these circumstances apply to you, tell your doctor:
Children
Methergín is not for use in children. Accidental administrations in newborns have been reported to have serious consequences.
Tell your doctor or pharmacist if you are using, have recently used, or might use any other medicines.
It is important that you inform your doctor if you are using:
Pregnancy and breastfeeding
If you are pregnant or breastfeeding, think you may be pregnant, or are planning to have a baby, ask your doctor or pharmacist for advice before using this medicine.
Ask your doctor or pharmacist for advice before using any medicine.
Methergín should not be administered to pregnant women due to its potent uterine stimulant action.
Methergín passes into breast milk. Given the possible effects on the baby and the reduction of milk secretion caused by this medicine, breastfeeding is not recommended while using Methergín. Breast milk should be discarded during treatment with Methergín until 12 hours have passed since the last administration.
Driving and using machines
Methergín may cause dizziness and convulsions, so caution should be exercised when driving, using machinery, or performing any activity that requires concentration.
Methergín contains sodium
This medicine contains less than 23 mg of sodium (1 mmol) per 5 ml (maximum daily dose); i.e., it is essentially "sodium-free".
Follow exactly the administration instructions of this medicine given by your doctor. If in doubt, consult your doctor or pharmacist again.
Both for scheduled deliveries and for loss of uterine muscle tone, the recommended route of administration of Methergín is intramuscular.
Scheduled deliveries
The recommended route of administration of Methergín is intramuscular.
1 ml (0.2 mg) injected into the muscle or 0.5 to 1 ml (0.1 to 0.2 mg) by slow intravenous injection when the baby's shoulder appears, or at most immediately after the baby is born.
In some cases, it may be convenient to manually assist in the expulsion of the placenta.
In the case of delivery with anesthesia, the recommended dose is 1 ml (0.2 mg) injected slowly into the vein.
Loss of uterine muscle tone
The recommended route of administration of Methergín is intramuscular.
1 ml (0.2 mg) intramuscularly or 0.5 to 1 ml (0.1 to 0.2 mg) by slow intravenous injection. It can be repeated every 2-4 hours if necessary, up to 5 times in 24 hours.
Cesarean section
After the baby is delivered, 1 ml intramuscularly or 0.5 to 1 ml intravenously or into the uterine muscle.
Hemorrhages, when the uterus does not decrease in size or clots appear in the uterus
0.5 to 1 ml (0.1 to 0.2 mg) intramuscularly or subcutaneously up to 3 times a day for 5 days.
At the end of the package leaflet, in the section "Instructions for the correct administration of Methergín", detailed instructions for use are provided.
If you use more Methergín than you should
If you think you have been given too much Methergín, inform your doctor, nurse, or pharmacist immediately or go to the nearest hospital.
Too high a dose can cause nausea, vomiting, changes in blood pressure, numbness, tingling, and pain in the limbs, difficulty breathing, convulsions, and loss of consciousness.
In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service. Phone 91 562 04 20, indicating the medicine and the amount ingested.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
These side effects occur more frequently when the intravenous route is used and mainly affect the uterine muscles, digestive system, blood vessels, and bronchi.
Reporting of side effects
If you experience any side effects, talk to your doctor, pharmacist, or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly through the Spanish Medicines and Healthcare Products Agency (AEMPS) website (www.notificaRAM.es). By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Store in the outer packaging to protect from light. Store in a refrigerator (between 2 and 8°C). Do not freeze. The ampoules can be stored outside the refrigerator for 14 days at a temperature not exceeding 25°C.
Do not use this medicine after the expiry date stated on the carton after EXP. The expiry date is the last day of the month indicated.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.
Composition of Methergín 0.2 mg/ml Solution for Injection
Appearance and packaging of the product
Methergín Solution for Injection is presented in 1 ml ampoules containing a clear and colorless solution for injection.
Marketing authorization holder
Essential Pharma Limited,
Vision Exchange Building
Triq it-Territorjals, Zone 1,
Central Business District,
Birkirkara, CBD 1070,
Malta
Manufacturer
Novartis Farmacéutica, S.A.
Ronda Santa María 158
Barberà del Vallès
08210 – Barcelona
Date of last revision of this leaflet:December 2020
Other sources of information
Detailed information on this medicine is available on the website of the Spanish Agency for Medicines and Healthcare Products (AEMPS) http://www.aemps.gob.es/.
This information is intended only for healthcare professionals:
See also section 3 "How to use Methergín 0.2 mg/ml Solution for Injection".
Instructions for the correct administration of Methergín
Intramuscular injections are more recommended than intravenous injections. In the case of intravenous injection, Methergín Solution for Injection should be administered slowly over a period of not less than 60 seconds. Intra- or periarterial injection should be avoided.
Administer only if the solution is clear and colorless.


Breakable ampoule. Place your thumb above the colored break point and break the ampoule by pressing downwards.
The average price of METHERGIN 0.2 mg/ml INJECTABLE SOLUTION in October, 2025 is around 1.33 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.
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