Symptoms and Treatment Options for Deviated Nasal Septum

Nasal septum deviation—commonly referred to as a deviated septum—is a structural abnormality in which the thin wall of cartilage and bone separating the left and right nasal passages (the nasal septum) is displaced to one side. While mild deviations are prevalent—present in up to 80% of the general population—many individuals remain asymptomatic. Clinical significance arises when the deviation causes functional impairment, such as nasal airway obstruction, recurrent sinusitis, epistaxis, or sleep-disordered breathing.

Symptoms vary depending on the severity and location of the deviation. Unilateral or bilateral nasal congestion is the most frequent complaint, often worsening when lying supine or during upper respiratory infections. Patients may also report chronic mouth breathing, snoring, diminished sense of smell (hyposmia), and recurrent epistaxis due to turbulent airflow drying and traumatizing the nasal mucosa—particularly over Kiesselbach’s plexus in the anterior septum. In some cases, a visible external nasal deformity or audible whistling during respiration may be present.

Initial management focuses on conservative, medical therapy. Intranasal corticosteroid sprays can reduce mucosal inflammation and improve airflow, especially in patients with concurrent allergic or nonallergic rhinitis. Saline irrigation helps maintain mucosal hydration and clear crusting. Decongestant sprays should be used sparingly—no longer than three to five days—to avoid rebound congestion (rhinitis medicamentosa). For patients with persistent, moderate-to-severe symptoms refractory to medical treatment, surgical correction—septoplasty—is indicated.

Septoplasty is a functional endonasal procedure aimed at straightening the deviated septum while preserving structural support and nasal valve integrity. It typically involves repositioning or partial resection of deviated cartilage and bone, without altering external nasal appearance. Modern techniques emphasize preservation of the L-strut—a critical structural component formed by the perpendicular plate of the ethmoid bone and the quadrangular cartilage—to prevent postoperative saddle nose deformity or nasal collapse. Surgery is generally performed under general anesthesia on an outpatient basis, with recovery spanning one to two weeks and full functional improvement often realized within three months.

Complications are uncommon but include septal hematoma or abscess, perforation, persistent or recurrent deviation, and altered sensation in the nasal vestibule. Preoperative evaluation—including detailed history, anterior rhinoscopy, and, when indicated, nasal endoscopy or CT imaging—ensures accurate diagnosis and appropriate patient selection. Shared decision-making between clinician and patient remains essential, weighing symptom burden, quality-of-life impact, and realistic expectations for surgical outcomes.