The symptoms of dizziness and weakness in patients after taking amoxicillin are considered to be caused by the adverse effects of amoxicillin on the central nervous system. The adverse reactions of amoxicillin in the central nervous system are mainly manifested as dizziness, abnormal behavior, or patients may have problems such as anxiety and excitement, and may also cause insomnia in patients. A skin test for penicillin must be done before using amoxicillin, and patients with positive penicillin skin test should not take amoxicillin orally. Amoxicillin is a very widely used antibiotic in clinical practice, with a relatively broad antibacterial spectrum and strong effects on respiratory tract infections, urinary tract infections, typhoid, cervicitis, and skin soft tissue infections.