Penicillin is also called penicillin G, penicillin G, penicillin, penicillin sodium, penicillin sodium, penicillin potassium and penicillin potassium. Penicillin is an antibiotic, and its molecule contains penicillamine, which can destroy the cell wall of bacteria and play a bactericidal role in the reproductive period of bacterial cells. It is an antibiotic extracted from Penicillium. Penicillin belongs to β -lactam antibiotics (β-lactams), including penicillin, cephalosporins, carbapenems, monocyclic antibiotics and cephamycin antibiotics. Penicillin is a commonly used antibacterial drug. However, a skin test must be done before each use to prevent allergies.

Meloxicam capsules belong to non-steroidal anti-inflammatory drugs, antipyretic and analgesic anti-inflammatory drugs are a kind of drugs with antipyretic and analgesic effects, and most of them also have anti-inflammatory and anti-rheumatic effects. Because its chemical structure and anti-inflammatory mechanism are different from glucocorticoid steroid anti-inflammatory drugs (SAIDS), it is also called non-steroidal anti-inflammatory drugs (NSAIDS).