A 25 year old male patient presents to the emergency room in july in texas. He c

Question

A 25 year old male patient presents to the emergency room in july in texas. He complains of shortness of breath and a low grade fever. The emergency room physician suspects tracheobronchitis. The patient complains of a dry, non productive cough. A patchy bronchopneumonia was observed on x ray. The physician suspects a mycoplasma pneumonia infection. Which of the following antibiotics does the physician know cannot or should not be administered in this situation? clindamycin? erythromycin? kanamycin? penicillin? tetracycline?

Explanation / Answer

Answer

Penicillin should not be administered in this situation because mycoplasma pneumoniae does not have peptidoglycan cell wall, therefore, penicillin which is known for cell synthesis blocker will not act against mycoplasma pneumoniae, rest of antibiotics can be used gainst this bacteria since they act against protein synthesis machinery of bacteria.

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