Amoxicillin, Infectious diseases Uses: Amoxicillin and sore throat, acute laryngitis, sore neck, acute otitis media, acute sinusitis, Otorhinolaryngitis. Amoxicillin and the respiratory system. Pneumonia, bronchitis, lung diseases. Lower respiratory infections. other. Antibiotics are used to treat or prevent certain types of infections caused by bacteria. Antibacterial from the penicillin family The amoxicillin rash is not classified as allergic. Between 3% and 10% of children take amoxicillin