Patients with nasal polyps are advised not to smoke, as cigarettes contain various chemicals that may directly irritate the nasal mucosa and cause related clinical symptoms, such as nasal congestion, runny nose, reduced sense of smell, and headaches or dizziness. For patients with nasal polyps, it is recommended to avoid smoking and drinking alcohol, and to avoid contact with irritative substances. If symptoms develop, it is important to seek medical attention at an otolaryngology department promptly. An endoscopic examination of the nose and a sinus CT scan can be performed to assess the severity of the condition. Generally, treatment might include oral medications and nasal sprays, and rinsing the nasal cavity with saline solution. However, if the condition is severe and does not respond well to conservative drug treatment, surgery may need to be considered.