: Common side effects in cats include diarrhea, vomiting, and loss of appetite. If you notice a severe allergic reaction (hives or difficulty breathing), contact your vet immediately. Estimated Costs

Amoxicillin for cats is a ; you cannot legally buy it over the counter (OTC) in the United States or the United Kingdom . Because it is a powerful antibiotic, a veterinarian must first examine your cat to ensure it is the correct treatment for their specific infection and to determine the safe dosage. Where to Buy Amoxicillin (With a Prescription)

: Most vets stock common antibiotics like Amoxi-Tabs or Amoxi-Drops and can dispense them immediately after an appointment.

Prices can vary by location and pharmacy, but as a general guide, you can expect to pay around of oral liquid amoxicillin.