Aurora Pharmaceuticals
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$31.99 to $149.99
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Altren (altrenogest)is the only FDA-approved generic alternative to Regu-Mate made in the USA. This cost-effective alternative to Regu-Mate is comprised of the same formulation and active ingredients. 


  • Use to schedule estrus in mares and breeding in mares to maximize breeding efficiency. 
  • Available in 1000 mL bottles along with a dispensing cap. Administer orally with a dose syringe or by placing directly on feed.
  • Provides safe, effective suppression of estrus in mares — 95% effective after 3 days of treatment.


Prescription Drug Policy:

Prescription drugs can only be shipped upon receipt of an original prescription from a licensed veterinarian. FarmVet can accept an original prescription in one of the following ways: 

  • The original prescription may be mailed to:
    1254 Old Hillsboro Rd, Franklin,TN 37069 
  • A licensed veterinarian may fax the Rx to 615-370-8502.
    The fax must originate from the veterinarian's office.
  • A licensed veterinarian can call & leave a voicemail with your prescription information with our pharmacy at 615-277-5602.

Prescriptions are refillable if indicated by your vet, for up to one year from the original date. At the end of one year, prescriptions must be updated. Written prescriptions must include the veterinarian's license number, telephone number, and address. Federal law restricts the use of Rx drugs to use by, or on the order of a licensed veterinarian.

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