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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).
Blood-tinged sputum is expectorated mucous matter from the airways that is tinged or streaked with blood. The blood can be either bright red or dark red in color. Itâs also referred to as blood-streaked sputum, or sputum contains blood. Blood-tinged sputum is different from coughing up blood with or without very little sputum (hemoptysis). Hemoptysis can be a potentially life-threatening condition requiring immediate medical attention.