Can penicillin-class drugs treat tonsillitis?
Generally, penicillin antibiotics can treat tonsillitis, especially tonsillitis caused by streptococcus. The detailed explanation is as follows:

Penicillin antibiotics belong to the β-lactam class of antibiotics and primarily exert antibacterial effects by inhibiting bacterial cell wall synthesis. Since the bacterial cell wall is essential for bacterial survival and reproduction, penicillin antibiotics can disrupt the integrity of bacteria, leading to bacterial death and thereby effectively treating diseases caused by bacterial infections.
Penicillin antibiotics have significant bactericidal effects against common bacteria such as streptococcus that cause tonsillitis, enabling rapid control of infection and reduction of inflammatory symptoms. By killing bacteria, penicillin antibiotics can relieve symptoms of tonsillitis such as sore throat, difficulty swallowing, and fever, improving patients' quality of life.
Before administering penicillin antibiotics, a detailed history of patient allergies should be obtained, and a skin test should be performed to avoid allergic reactions. The dosage and duration of penicillin treatment should be adjusted according to the patient's age, weight, severity of illness, and other factors to ensure therapeutic effectiveness and safety. Additionally, some patients may experience adverse reactions after using penicillin antibiotics; if discomfort occurs, prompt medical attention is advised.