• Narcolepsy

• Nasal Polyps

• Nearsightedness - See Myopia

• Neck Pain

• Necrotizing Enterocolitis

• Necrotizing Fasciitis

• Neonatal Respiratory Distress Syndrome

• Nephroblastoma - See Wilms Tumor

• Nephrolithiasis

• Nephrotic Syndrome

• Neurodermatitis - See Lichen Simplex Chronicus

• Neurofibromatosis

• Neurogenic Bladder

• Neuropathic Pain

• Neuropathy - See Peripheral Nerve Disorders

• Neutropenia

• Night Terrors

• Nightmares

• Non-Hodgkin's Lymphoma - See Lymphoma

• Nosebleed

• Nosocomial Infections