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Nasal discharge refers to fluid that comes from the nose, and originates in the nasal passages. This fluid may be clear, blood-tinged, bloody, or it may contain mucus (mucoid discharge) or pus (purulent discharge). In some instances, the nasal discharge may contain food particles. The nasal discharge may originate from one nostril (unilateral) or from both nostrils (bilateral).
Purulent sputum: Introduction. Purulent sputum: foul smelling infectious sputum. See detailed information below for a list of 22 causes of Purulent sputum, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Purulent sputum: Causes | Symptom Checker Â».