Penicillin G is the recommended treatment for which infection?

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Multiple Choice

Penicillin G is the recommended treatment for which infection?

Explanation:
Penicillin G is the drug of choice for syphilis because Treponema pallidum, the bacterium that causes syphilis, is highly susceptible to beta-lactam antibiotics like penicillin. Penicillin G reaches effective concentrations in blood and tissues and remains effective across all stages of syphilis, making it the most reliable treatment option. Chlamydia is not treated with penicillin because Chlamydia trachomatis has a different physiology and is effectively targeted with doxycycline or azithromycin. Gonorrhea has become increasingly resistant to penicillin, so current guidelines favor ceftriaxone-based therapy (often with azithromycin). Herpes is viral, so antibiotics like penicillin have no effect; antiviral meds such as acyclovir are used instead.

Penicillin G is the drug of choice for syphilis because Treponema pallidum, the bacterium that causes syphilis, is highly susceptible to beta-lactam antibiotics like penicillin. Penicillin G reaches effective concentrations in blood and tissues and remains effective across all stages of syphilis, making it the most reliable treatment option.

Chlamydia is not treated with penicillin because Chlamydia trachomatis has a different physiology and is effectively targeted with doxycycline or azithromycin. Gonorrhea has become increasingly resistant to penicillin, so current guidelines favor ceftriaxone-based therapy (often with azithromycin). Herpes is viral, so antibiotics like penicillin have no effect; antiviral meds such as acyclovir are used instead.

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