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A twenty-four year old graduate student presents to the university health service complaining of fever and...

A twenty-four year old graduate student presents to the university health service complaining of fever and non-productive cough for the past ten days that have not improved with over-the-counter cough medications. Lung test is significant for bilateral rales and rhonchi. Laboratory is significant for cold- antibody.

• What is the most likely diagnosis?

• What is the most likely causative agent?

• What is the drug of choice? List other antimicrobials that may be effective against this organism.

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Answer #1

The most likely diagnosis is Bronchitis where patient present with fever nonproductive cough

  • Causative agent is :

Streptococus Pneumoniae

Haemophilus Influenzae

Moraxella catarrhalis, these are three leading bacterial patogen which causes bronchitis, other agents includeMycoplasma pneumoniae,Clamydia trachomatis.

  • Antimicrobial agents effective against these agents are:

Doxycycline

Erythromycin

Trimethoprim or Sulfamethoxazole

Azithromycin

Cefuroxime, and

Amoxycillin.

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