Pain is often difficult to recognize in cats due to their unique behavior. Veterinary health professionals do not always receive education on the subject making pain recognition a daily challenge in feline medicine.

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The Feline Grimace Scale (FGS) (© Université de Montréal 2019) is a valid, fast, reliable and easy-to-use tool that can help with pain assessment. Based on the scores of the Feline Grimace Scale, it is possible to know if the administration of analgesics (i.e. pain killers) is required helping veterinarians with clinical decisions in pain management.