Treat bloody sinus discharge caused by sinusitis with nasal decongestant sprays to shrink swollen nasal passages, antihistamines to block inflammation and topical nasal corticosteroids to clear the sinus openings and nasal passages, recommends the American College of Allergy, Asthma & Immunology. Physicians may also prescribe antibiotics to treat bacterial infections causing bloody sinus discharge.
Some patients opt to treat bloody sinus discharge and symptoms of sinusitis with nasal saline rinses to clear thickened secretions, explains the American College of Allergy, Asthma & Immunology. Patients who do not respond to drug therapies or alternative treatments may require surgery to fix or repair bone defects that separate the nasal passages or remove nasal polyps causing discomfort or discharge.
Treat nasal discharge with home treatments such as inhaling steam from a hot shower or a humidifier, recommends WebMD. Apply warm compresses to the face to relieve sinus pain in the nose. Refrain from smoking when undergoing treatment for sinus problems that produce nasal bloody discharge. Physicians also recommend drinking extra fluids to thin out secretions from the nose.
Physicians diagnose sinus problems causing nasal bloody discharge by looking for swelling of the nasal tissues, discolored nasal discharge, redness and tenderness of the face, according to the American College of Allergy, Asthma & Immunology.