Altrenogest solution, an oral progestin, is indicated to suppress estrus in mares. Allows for management of prolonged estrus conditions, scheduled breeding during the normal breeding season, and maintenance of pregnancy. For oral use in horses only. Each mL of Altren contains 2.2 mg of altrenogest in an oil solution.
Altren 0.22% Solution (altrenogest)
Prescription items are non-returnable