What Are The Side Effects Of Antibiotics In Cats?
What Are The Side Effects Of Antibiotics In Cats? Common side effects include gastrointestinal effects such as lack of appetite, vomiting, and diarrhea. Serious side effects include allergic reaction characterized by skin rash, fever, facial swelling, or difficulty breathing, incoordination while walking, or prolonged lack of appetite (in cats). Can antibiotics cause loss of appetite?