Atypical pneumonia Def., diagnosis and treatment

This article is to discuss Atypical pneumonia regarding its definition, diagnosis and management .

What is meant by Atypical pneumonia  ?

There is congestion of the alveolar wall without consolidation .
Atypical pneumonia

How to diagnose Atypical pneumonia ?

Atypical pneumonia syndrome is characterized by:

• More gradual onset, dyspnea.
• Chest complaints e.g pleuritic pain, productive cough are less marked in atypical pneumonia than in classical .
• Prominence of extra pulmonary symptoms e.g. headache, malaise, myalgia, sore throat, gastrointestinal symptoms.
• Minimal signs on physical examination e.g few scattered crepitations.
• Investigations: Blood picture, ESR, sputum examination, x ray and serology as before.
- Manifestations of Pneumonia

Treatment of Atypical pneumonia

 • Viral : antiviral
• Mycoplasma and legionella : Clarithromycin 500 mg/12 hr I.V or erythromycine 500 mg/6hr I.V plus rifampicin 600mg/12 hr. Also Legionnaires' disease (Iegionella pneumonia) responds to fluoroquinolones e.g levofloxacine (Tavanic).
• Chlamydia : erythromycine or tetracycline.
Atypical pneumonia Def., diagnosis and treatment
Dr.Tamer Mobarak


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