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What to Do if Your Pet has an Adverse Reaction to a Flea and Tick Product

If you suspect that your pet has had an adverse reaction after using a flea and tick product, refer to the precautionary statement on the product label and consult your veterinarian immediately. In addition, bathe your pet with mild soap and rinse with large amounts of water.

If your dog or cat is having a reaction to a flea and tick product, it may show some of the following symptoms:

  • Skin effects
    • Irritation
    • Redness
  • Stomach or intestinal problems
    • Vomiting
    • Diarrhea
  • Nervous system effects
    • Trembling
    • Depressed appearance
    • Seizures

Report the incident.