Dinoprost Trometamol
5 Important Facts in Veterinary Reproductive Medicine
Dinoprost trometamol is a synthetic homologue of prostaglandin F2α (PGF2α) widely used in veterinary medicine for reproductive control. It plays a key role in estrus synchronization, labor induction, and management of reproductive disorders across multiple livestock species.
1. Mode of Action
Dinoprost trometamol binds to prostaglandin receptors in the uterus, cervix, and corpus luteum. This interaction induces uterine contractions, luteolysis, and regulation of reproductive cycles, making it highly effective for suppressing and controlling reproductive activity in agricultural animals.
2. Indications
Dinoprost trometamol is commonly used in cattle, pigs, and horses:
- Cows: Estrus synchronization, labor or abortion induction, and treatment of cystic ovarian disease.
- Pigs: Induction of labor and treatment of postpartum metritis.
- Horses: Regulation of reproductive cycles to improve breeding efficiency.
3. Dosage and Administration
Dosage varies according to species, body weight, and clinical indication:
- Cows: 25–100 µg per animal.
- Pigs: 5–20 µg per kg of body weight.
Administration routes include intramuscular, intravenous, or intrauterine injection, depending on the clinical situation.
4. Precautions
- Pregnant individuals should avoid contact, as exposure may cause miscarriage or premature labor.
- Use caution in animals with cardiovascular, renal, or respiratory disorders.
- Handlers should take protective measures, as the drug can cause smooth muscle spasms in humans.
5. Side Effects
Dinoprost trometamol is generally well tolerated. Possible adverse effects include:
- Cramping, diarrhea, sweating, and tremors.
- Respiratory discomfort in sensitive animals.
Rare cases of anaphylaxis may occur and require immediate veterinary intervention.
Summary
Dinoprost trometamol is a versatile and essential drug in veterinary reproductive medicine. It is widely used for estrus synchronization, induction of parturition, and treatment of reproductive disorders. Proper dosing, careful handling, and veterinary supervision are crucial to ensure safety and optimal therapeutic outcomes.




