Regu-Mate Solution Rx for Mares

Merck Animal Health


Prescription Required
More Info

Regu-Mate provides safe, effective suppression of estrus in mares - 95% effective after 3 days of treatment. Suppression of estrus allows for a predictable occurrence of estrus following drug withd...Read More

  • Qty
    Price Each
  • Regu-Mate Solution Rx for Mares -
    1000 ml
    Item #: 12239-1
    This item cannot ship to AA, AE, AK, AL, AP, AR, AS, AZ, CA, CO, DC, DE, GA, GU, HI, ID, KS, LA, MA, MD, ME, MH, MO, MP, MS, MT, NC, ND, NE, NJ, NM, NV, OK, OR, PR, RI, SC, SD, TX, UT, VA, VI, VT, WA, WY addresses
    Buy in Quantity of 1 for a Case
    Available in cases, when you
    buy in quantities of 1
    Weight: 2.40lbs
    Check Ready to Ship

Product Features

  • Trust genuine Regu-Mate (altrenogest) for proven palatability, bioavailability and efficacy in every dose


Regu-Mate provides safe, effective suppression of estrus in mares - 95% effective after 3 days of treatment. Suppression of estrus allows for a predictable occurrence of estrus following drug withdrawal in mares with ovarian follicles 20 mm or greater. Regu Mate will facilitate attainment of regular cyclicity during the transition from winter anestrus to the physiological breeding season. Allows for management of prolonged estrus conditions and breeding schedules to maximize breeding efficiency.

Contains 2.2 mg altrenogest per ml.

Dosage: 1 ml per 110 lbs body weight orally with dose syringe or by placing directly on feed, for 15 consecutive days. 15-day treatment regimen allows performance horses to compete at their best.

Contraindicated for use in mares having a previous or current history of uterine inflammation. Pregnant women or women who suspect they are pregnant should not handle Regu-Mate.

View Manufacturer and/or Label Information: 

Helpful Information

Our helpful, friendly and knowledgeable Animal Health Product Experts are ready to serve you, simply...

Email or call 800-321-0235 to help answer any questions or help you find what you need. We look forward to hearing from you!

How to Order Prescriptions from PBS Animal Health

We fulfill livestock, equine, and pet prescriptions through our Matthews Veterinary Pharmacy. To process your prescription order, we need a valid prescription on file. We can receive a prescription through the three methods below.  

Our pharmacy service is available in these states: CT, FL, IA, IL, IN, KY, MI, MN, NH, NY, OH, PA, TN, WI and WV.

1. Place your order online and our pharmacist will contact your veterinarian.

During the checkout process, we will collect your veterinarian and animal information. Our pharmacist will contact your veterinarian to obtain a prescription. We will ship your non-prescription items immediately. Prescription orders will be held up to 3 business days awaiting approval from your vet.

2. Ask your Veterinarian to submit your prescription by one of the following methods.  

  • Call our Pharmacy at +1 (800) 835-7451 or
  • Fax the prescription to our Pharmacy at 330-830-2764      

NOTE: You must call us to place your order once you've confirmed your vet has submitted your prescription.   

3. If you have the original prescription from your vet, please call our Customer Care team for ordering instructions.  

Pharmacy Hours
Monday-Friday 9am-5pm
Saturday 9am-Noon
Once we have your prescription(s) on file, along with your order, we will ship your order promptly.  

State Law prohibits the return of items purchased with a prescription.



Pharmacy is licensed as Matthews Veterinary Pharmacy.

Questions? Please contact us at or call us at +1 (800) 321-0235.

Effective as of 1/30/23
Customer Care Center Hours:
Monday - Friday 7am-6pm ET
Holidays excluded

Fax 24/7: 330-830-2762

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