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Pneumonia develops as a complication of underlying respiratory conditions such as chronic bronchitis, asthma, or influenza, where weakened airway defenses allow pathogens to invade lung tissue. These conditions impair mucociliary clearance and immune response, increasing susceptibility to bacterial or viral infections. Early diagnosis is critical, as untreated pneumonia can exacerbate existing diseases and lead to severe outcomes. Management involves supportive care and targeted antimicrobial therapy, including ceftriaxone injection in moderate to severe bacterial cases. Preventive strategies, including vaccination and timely treatment of respiratory illnesses, significantly reduce risk and improve pulmonary health outcomes.
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