Contact Form

To report an adverse reaction, product-related problem or human exposure, please call Merck Animal Health Technical Services,

  • Companion Animal Technical Services, 800-224-5318 EST 8:30 AM to 5:00PM
  • Livestock Technical Services – cows, pigs, poultry, aquaculture, 800-211-3573
  • Equine Technical Services, 866-349-3497
  • For animal toxicity questions, call ASPCA at 888-426-4435

Normal business hours are 8:30 am to 5:00 pm EST.

For after-hours emergencies, please call the numbers shown above. A recorded message will provide the telephone numbers for emergency support services if immediate assistance is needed.

For information about Merck Animal Health products, call 800-521-5767.

For information about HomeAgain (microchips for dogs and cats), call 888-466-3242.

For Harrisvaccines contact information, click here.

 

If you would like to have more information on any of the subjects on the Merck Animal Health website, please fill in the form below.

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