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Dinoprost Tromethamine

Published: July 26, 2026Updated: July 26, 2026

Lutalyse is a prostaglandin F2α analog used primarily in veterinary medicine for cattle and horses. It works by causing regression of the corpus luteum (luteolysis) and stimulating smooth muscle contraction in the reproductive tract.

Quick summary

Lutalyse is a veterinary prostaglandin medication used to manage reproductive conditions in cattle and horses by inducing luteolysis and uterine contractions.

Medically reviewed by WellAlly Editorial TeamLast reviewed July 26, 2026Editorial policy

Key facts at a glance

RxNorm
1312472
Generic
Lutalyse
Class
brand-name
Brands
—
Availability
rx
Lactation
unknown
Routes
—
Forms
—
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Used in cattle for treating pyometra and chronic endometritis, inducing abortion, and synchronizing estrus cycles for breeding programs. In horses, it may be used for metritis, endometriosis, and other reproductive conditions.

As a prostaglandin F2α analog, it causes luteolysis by regressing the corpus luteum, reduces progesterone levels, and stimulates contraction of uterine smooth muscle.

For veterinary use only. Should not be used in animals intended for slaughter without observing appropriate withdrawal periods. Contraindicated in pregnancy unless abortion is desired. Administered by intramuscular or subcutaneous injection by or under the direction of a veterinarian.

Official drug label

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy