About methylergometrine maleate
Ergot-derived uterotonic medicine
Used for
- Prevents or treats heavy bleeding after childbirth by helping the uterus contract.
Usual adult dose
Usually 0.2 mg by mouth every 6–8 hours for up to 1 week after childbirth, as prescribed.
Common side effects
- Nausea or vomiting
- Headache or dizziness
- Abdominal cramps
- Raised blood pressure
Important warnings
- Not used to induce or speed labour.
- Avoid during pregnancy before delivery; it can cause strong uterine contractions.
- Contraindicated with high blood pressure or pre-eclampsia.
- Seek urgent care for chest pain, severe headache, or breathing difficulty.
Pregnancy
Contraindicated before delivery because it can cause uterine contractions and harm the pregnancy.
Breastfeeding
May reduce milk production; use only when prescribed, with attention to the infant for adverse effects.
Interactions
- Strong CYP3A4 inhibitors, including clarithromycin, can raise drug levels and cause dangerous vasoconstriction.
- Other ergot medicines or triptans can increase vasoconstriction risk.
- Some HIV medicines and azole antifungals can dangerously increase exposure.
- Nicotine and other blood-vessel constrictors may increase cardiovascular risks.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.