Labour induction
Adult: 50 units every 30 minutes, reduce to 25 units every 30 minutes when normal contraction rhythm is established. Max: 500 units.
Buccal
Labour augmentation
Adult: 25 or 50 units if necessary every ½ hr.
Indications and Dosage
Buccal
Labour induction Adult: 50 units every 30 minutes, reduce to 25 units every 30 minutes when normal contraction rhythm is established. Max: 500 units. Buccal Labour augmentation Adult: 25 or 50 units if necessary every ½ hr.
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Contraindications
Foetal distress, significant cephalopelvic disproportion, unfavorable presentation of the fetus, excess uterine distention; parity >4; elderly multiparae; previous uterine surgery; severe toxemia; amniotic fluid embolism; hypertonic uterine contractions; placenta praevia; cord presentation or prolapse; mechanical obstruction to delivery; predisposition to uterine rupture.
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Special Precautions
Borderline cephalopelvic disproportion; patients >35 yr. Monitor fetal heart rate and uterine motility. Do not employ for prolonged periods in resistant uterine inertia, severe preeclampsia, severe CV disorders. Discontinue in case of foetal distress or uterine hyperactivity. Risk of water intoxication (high doses over prolonged period). Restrict fluid intake by mouth.
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Adverse Reactions
Postpartum bleeding; neonatal jaundice; water retention; acute transient hypotension with flushing and reflex tachycardia (rapid IV).
Potentially Fatal: Death; anaphylactic reactions; fatal afibrinogenaemia; maternal deaths from severe hypertension and subarachnoid haemorrhage. |
Drug Interactions
Prostaglandins, anaesthetics. Vasopressor effects of sympathomimetics may be enhanced.
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Action
Description:
Mechanism of Action: Demoxytocin is a synthetic analogue of oxytocin that causes uterine contraction. It is used for induction and augmentation of labour. |
MIMS Class
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