Contact Information

Comfortis Phone Numbers

Toll-Free Number:

  • (888) 545-5973 toll - free

Customer Service:

  • (888) 545-5973 toll - free

media relations and communications department:

  • (877) 352-6261
  • (877) 495-4185
  • (877) 304-8457
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Comfortis Email:

Headquarters Address:

Elanco Animal Health
2500 Innovation Way
Greenfield, Illinois 46140
United States

Summary of Comfortis Customer Service Calls

04:38 AVG CALL

Top Reasons of Customers Calls

Consumers Call the Most From

Customers Contact Comfortis to Ask about:

Refund Question:

  • “My dog and cat are still interested with fleas. I had to get 2 pills for each animal within a 15 to 20 day period. It's expensive and I want it to be fixed either refund or more pills to fix the problem.” , Review # 1282836

Other Question:

  • “Neurological issue on confortis” , Review # 1374800
  • “Action of comfortis”
  • “I was told to contact comfort is by my vet issue with the pill”

Comfortis Rating Stats

1.2 out of 5 stars
based on 6 reviews
See all 14 reviews

Rating trend

About Comfortis

Comfortis FAQ
Top 5 Comfortis Products

Flea Control


Comfortis is a chewable beef-flavored tablet for oral administration for dogs and cats. It is manufactured and distributed by Elanco. The company was founded in 1954. Comfortis is safe for old pets and puppies 14 weeks of age. It starts killing fleas in 30 minutes after tablet taking. The main ingredient is spinosad. It is possible to administer Comfortis with food. Full effectiveness lasts for a month. The tablet can be used to prevent flea infestations any time of the year. No washing off after bathing, grooming, or swimming is required. Right dosage to dogs and cats can be prescribed by veterinarian. Pets may have side effects with Comfortis.

Comfortis reviews and complaints

Comfortis is ranked 66 out of 394 in Pet Medicine and Veterinary Clinics category

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