Potomavac + Imrab

  • Category: Vaccine & Wormer
  • Brand: Merial
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The following states have laws prohibiting shipment of rabies vaccine: AK, AL, AR, CA, CT, GA, HI, ID, IL, IN, KS, MD, ME, MN, MO, MS, MT, NE, NV, NJ, NM, NY, NC, ND, OR, RI, SC, TN, TX, UT, WA, WV and WY
If you live in one of the above states mentioned please do not order this vaccine. We will not be able to ship it to you.

Equine POTOMAVAC® + IMRAB contains inactivated Ehrlichia risticii bacterin (Potomac Horse Fever) and Killed Rabies virus, Pasteur strain.

MERIAL® Equine POTOMAVAC® + IMRAB® is a combination vaccine that provides powerful protection against two potentially fatal diseases in horses: Potomac horse fever and rabies. Equine POTOMAVAC® + IMRAB® can be administered to healthy horses and foals 3 months of age and older. After the primary vaccination and booster, annual revaccination is recommended.*

 **Please note the 5 x 1 dose pack was discontinued.


This product is being discontinued and only available while supplies last.


VACCINE ORDER SHIPPING:  All vaccine orders will be shipped Next Day Air ($35.00) or 2-day air ($22.00) – options provided at checkout.  All vaccines are shipped with ice packs in an insulated pack for maximum protection.  Next Day Air packages are shipped Monday-Thursday; 2-day air packages are shipped Monday-Wednesday to insure package does not sit in transit over the weekend.

People who live in MN, IA, SD, ND, NE, IL or WI may be eligible for ground shipping if so desired.  Please call 800-328-6652 to place your order and request SpeeDee delivery.



Vaccine orders are shipped Next Day Air or 2-Day Air only (rates below).  People who live in MN, IA, SD, ND, NE, IL or WI may be eligible for ground shipping if so desired - please call 800-328-6652 to place order.


Orders placed over the weekend (Friday after 3PM/Saturday/Sunday) will be shipped the following Monday.  All vaccines orders are shipped to be received within the same week (ie. Any order placed Wednesday (after 3 p.m. CST), Thursday or Friday to ship 2 day air, we will hold your order to ship on the following Monday).  No vaccines will be shipped on a Friday.

2-DAY AIR:  $22.00
Next Day Air:  $35.00

NOTE  Express order delivery time:  Example:  2 day air (2 business days) - if your order ships on Monday, you will receive it Wednesday.  Air shipping Flat Rates apply to FedEx service only.  Vaccines are not shipped on Fridays - NO Saturday express deliveries unless requested (additional express charges will apply).

WEATHER DELAYS:  We are not able to reimburse air charges due to inclement weather that is not in our control.

If shipping to a commercial address: Your package will be delivered during the work week (Monday through Friday).








Rabies Vaccine, Killed Virus

Ehrlichia Risticii Bacterin



DESCRIPTION: Equine POTOMAVAC™ + IMRAB® is a liquid suspension of inactivated rabies virus propagated in a stable cell line, combined with an inactivated suspension of Ehrlichia risticii. Safety and efficacy of this product have been demonstrated in controlled vaccination challenge tests and thorough field evaluations.


INDICATIONS: Recommended for the vaccination of healthy horses against disease caused by rabies virus and as an aid in the prevention of Potomac Horse Fever (equine monocytic ehrlichiosis) caused by E. risticii.


DOSAGE: For primary vaccination, aseptically inject 1 mL (1 dose) intramuscularly into healthy horses 3 months of age or older. For E. risticii,revaccinate with 1 dose 3 to 4 weeks later using this product or EQUINE POTOMAVAC™. Revaccinate annually with a single 1 mL dose.


PRECAUTIONS: Store at 2-7°C (35-45°F). Do not freeze. Use entire contents when first opened. Shake well before using. Contains gentamicin as a preservative. Do not vaccinate within 21 days prior to slaughter. In rare instances, administration of vaccines may cause lethargy, fever, and inflammatory or hypersensitivity types of reactions. Treatment may include antihistamines, anti-inflammatories, and/or epinephrine. Vaccinating animals whose immune response is compromised by stress, disease, etc. may not produce the desired results.


SKU:  Size Exp Date Sale Price Quantity
55040150 10 dose vial Product Expires 12/12/21 - $229.00

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5.0 out of 5.0 stars
  • Lynn
  • Sunday, March 12, 2017
I have used this product without any adverse affects for the horses.