What are the penicillin-class drugs?

　　Penicillin is a class of broad-spectrum antibiotics commonly used to treat bacterial infections. Common penicillin medications include ampicillin tablets, oxacillin sodium tablets, amoxicillin sodium for injection, penicillin V potassium tablets, and carbenicillin sodium for injection, all of which should be used under a doctor's guidance. A detailed analysis is as follows:

　　1. Ampicillin Tablets: Ampicillin is a broad-spectrum penicillin antibiotic frequently used to treat various infections, including respiratory tract, urinary tract, and skin and soft tissue infections.

　　2. Oxacillin Sodium Tablets: Oxacillin sodium is another penicillin-class medication typically used to treat various bacterial infections.

　　3. Amoxicillin Sodium for Injection: This is a broad-spectrum penicillin antibiotic commonly used to treat respiratory tract, urinary tract, and skin and soft tissue infections.

　　4. Penicillin V Potassium Tablets: Penicillin V potassium is a drug similar to penicillin G and belongs to the penicillin class; it is suitable for treating various bacterial infections.

　　5. Carbenicillin Sodium for Injection: This is a semi-synthetic penicillin antibiotic commonly used to treat severe bacterial infections such as pneumonia and urinary tract infections.

　　For the use of any medication, please follow your doctor's prescription instructions carefully and strictly adhere to the recommended dosage and administration. If you have further questions, consult a qualified physician for advice.