The harmful effects of enrofloxacin overdose include abdominal pain, diarrhea, nausea, dizziness, vomiting, and itchy skin. Enrofloxacin is a quinolone antibiotic that can treat respiratory system diseases, intestinal system diseases and urinary system diseases caused by germs. 1. Respiratory system diseases system: such as bronchitis, bronchopneumonia, lobar pneumonia, etc., can effectively eliminate local edema and improve the symptoms of cough, phlegm, chest tightness. 2. Intestinal system diseases: such as acute and chronic enteritis, colitis, dysentery, etc., can effectively relieve bloating and diarrhea. 3. Urinary system diseases: urethritis, cystitis, nephritis, etc., can effectively relieve urinary frequency, urinary urgency, urinary pain and infection. Drugs should be taken under the guidance of a doctor, to avoid taking on their own, causing adverse consequences.