Methyl Ergometrine Injection

✔️ Directions For Use:

Intramuscular (Adult)-
 

• Active management of the third stage of labour: 0.5 mg given with 5 units of oxytocin after delivery of the anterior shoulder of the infant or immediately after delivery.
• Treatment and prophylaxis of postpartum haemorrhage: 0.2 mg, may repeat in severe bleeding every 2-4 hr as needed.

Intravenous (Adult)-
 

• Excessive uterine bleeding: 0.2 mg via IV inj over at least 1 minute. May follow with oral doses of 0.2 to 0.4 mg 2-4 times daily until the danger of atony or haemorrhage has passed (usually 48 hr).

Oral (Adult)-
 

• Postpartum and post-abortion bleeding: 0.2 to 0.4 mg 2-4 times daily until danger of uterine atony and haemorrhage has passed (usually 48 hr). Max duration: 1 wk postpartum.

✔️ Side Effects:

Nausea, vomiting, abdominal pain, diarrhoea; headache, dizziness; tinnitus; chest pain, palpitation, bradycardia, transient hypertension and other cardiac arrhythmias; dyspnoea, sometimes rashes, shock

✔️ Interaction

Halothane causes relaxation of the uterine muscle and may interfere with ergometrine action. Enhanced uterotonic effect with prostaglandins and oxytocin. Concurrent admin with CYP3A4 inhibitors may lead to vasospasm, cerebral ischaemia, and/or ischaemia of extremities.

✔️ Contraindications

Pregnancy, 1st and 2nd stage of labour, patients with preeclampsia, eclampsia, or threatened spontaneous abortion; porphyria.

✔️ Pregnancy & Lactation

Pregnancy Category X. Studies in animals or human beings have demonstrated foetal abnormalities or there is evidence of foetal risk based on human experience or both, and the risk of the use of the drug in pregnant women outweighs any possible benefit. The drug is contraindicated in women who are or may become pregnant.

✔️ Precautions & Warnings

Breech and abnormal foetal presentation; hypertension; chronic anaemia; hepatic, renal, respiratory or cardiac impairment; toxemia; lactation; hypocalcaemia. Monitor BP, pulse, and uterine response.

✔️ Storage:

Intramuscular: Refrigerate at 2-8°C. Intravenous: Refrigerate at 2-8°C. Oral: Store below 25°C.