Visit Your Veterinarian for a Comfortis Prescription
Comfortis® (spinosad) requires a prescription from your veterinarian, who is your best source of advice about your pet’s health care. Talk to your veterinarian about how Comfortis can provide your dog or cat with fast, effective and convenient flea treatment.
How to purchase Comfortis:
Make an appointment to bring your dog or cat into your veterinary clinic.
Ask your veterinarian about Comfortis for your dog or cat.
Once prescribed by your veterinarian, purchase your 12-month, 6-month, or 3-month supply of Comfortis.
IMPORTANT SAFETY INFORMATION
For cats: The most common adverse reaction recorded in clinical trials was vomiting. Other adverse reactions were: lethargy, decreased appetite, weight loss, and diarrhea. Use with caution with concomitant extra-label use of ivermectin.
The safe use of Comfortis in breeding, pregnant, or lactating cats has not been evaluated. See Comfortis label for complete safety information.
For dogs: The most common adverse reaction reported is vomiting. Other adverse reactions reported in decreasing order of frequency are: depression/lethargy, decreased appetite, incoordination, diarrhea, itching, trembling, excessive salivation and seizures.
Following concomitant extra-label use of ivermectin with Comfortis, some dogs have experienced the following clinical signs: trembling/twitching, salivation/drooling, seizures, incoordination, excessive dilation of pupils, blindness and disorientation. Post-approval experience continues to support the safety of Comfortis when used concurrently with heartworm preventatives according to label directions.
Use with caution in breeding females and dogs with pre-existing epilepsy. The safe use of Comfortis in breeding males has not been evaluated. See Comfortis label for complete safety information.