patients with chronic sinusitis. patients with acute allergic rhinitis. patients' nasal polyposis patients with history of nasal surgery, severe head trauma or any medical condition that may affect sense of smell. patient poly morbidities or poly pharmacy. elder, pregnant, or nursing woman. patients with chronic diseases. autoimmune diseases. patient suffering end organ problems.

patients with chronic sinusitis. patients with acute allergic rhinitis. patients' nasal polyposis patients with history of nasal surgery, severe head trauma or any medical condition that may affect sense of smell. patient poly morbidities or poly pharmacy. elder, pregnant, or nursing woman. patients with chronic diseases. autoimmune diseases. patient suffering end organ problems.