Clinical data | |
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Trade names | Ergometrine Maleate, Ergonovine Maleate, Ergotrate, Ergotrate Maleate, Ergostat, Syntometrine, others[1][2] |
Other names | ergonovine; d-lysergic acid β-propanolamide; d-lysergic acid α-hydroxymethylethylamide |
AHFS/Drugs.com | Monograph |
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Routes of administration | By mouth |
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Pharmacokinetic data | |
Metabolism | Liver (partly CYP3A4) |
Elimination half-life | 2-phase (10 min; 2 hrs) |
Excretion | Biliary |
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ECHA InfoCard | 100.000.441 |
Chemical and physical data | |
Formula | C19H23N3O2 |
Molar mass | 325.412 g·mol−1 |
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Ergometrine, also known as ergonovine and sold under the brand names Ergotrate, Ergostat, and Syntometrine among others, is a medication used to cause contractions of the uterus to treat heavy vaginal bleeding after childbirth.[4][1] It can be used either by mouth, by injection into a muscle, or injection into a vein.[4] It begins working within 15 minutes when taken by mouth and is faster in onset when used by injection.[4] Effects last between 45 and 180 minutes.[4]
Common side effect include high blood pressure, vomiting, seizures, headache, and low blood pressure.[4] Other serious side effects include ergotism.[4] It was originally made from the rye ergot fungus but can also be made from lysergic acid.[5][6] Ergometrine is regulated because it can be used to make lysergic acid diethylamide (LSD).[7]
Ergometrine was discovered in 1932.[5] It is on the World Health Organization's List of Essential Medicines.[8][9]