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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).
This discharge may appear slightly pink from the small number of red blood cells that are present. This is normal in the early stages of healing, as the blood is present in small amounts. It is important to keep in mind that a very small percentage of blood in the fluid can make serum appear pink. Types of Abnormal Wound Drainage Bloody/Sanguineous drainage: this is an abnormal wound drainage that typically has a larger amount of blood present than in serosanguinous (blood tinged) drainage.