Which of the following is the drug of choice for chemoprophylaxis against rheumatic fever?

Option 2 : Benzathine penicillin

Concept:

• Drug -> Any substance used to prevent, diagnose, treat or mitigate a disease or discomfort is known as a drug.
• Chemoprophylaxis -> Using a chemical to prevent a disease development.
• Rheumatic fever -> A disease which arises from an infection of group A streptococci, often due an untreated strep throat.

Explanation:

• Rheumatic fever is caused by Streptococci Bacteria.
• Antibacterial agents such as benzathine penicillin could be used to control the disease progression.
• Benzathine penicillin is a narrow-spectrum antibiotic.
• It is the drug of choice for chemoprophylaxis against rheumatic fever

• Erythromycin -> It is the drug of choice for chemoprophylaxis of pertussis.
• Procaine penicillin -> It is used for treating and post - exposure prophylaxis of anthrax.
• Penicillin V -> It is used for treating bacterial infections such as pneumonia and scarlet fever but not the drug of choice for the chemoprophylaxis of rheumatic fever.