Diagnosis

N

• Nail avulsion (traumatic removal of nail)
• Nail bruise (subungual hematoma)
• Nail contusion (swelling of finger and nail)
• Nail laceration (nail bed cut)
• Narcolepsy (uncontrollable sleeping)
• Narcotic (morphine, heroin) abuse
• Narcotic (morphine, heroin) overdose
• Nasal cancer (tumor)
• Nasal foreign body
• Nasal fracture (broken nose)
• Nasal polyps
• Nasal septum deviation
• Nasal trauma (injury)
• Nasopharyngeal carcinoma (tumor)
• Near drowning
• Nearsightedness (myopia)
• Neck trauma (injury)
• Necrotizing fasciitis (soft tissue infection)
• Neisseria gonorrhea infection
• Neisseria meningitidis infection (meningococcus)
• Nephrolithiasis (kidney stone)
• Neuralgia (nerve pain)
• Neurofibromatosis
• Neurogenic bladder (bladder paralysis)
• Newborn jaundice
• Night terrors
• Non venomous snake bite
• Nonsteroidal anti-inflammatory drug overdose (Motrin, Advil)
• Normal menstruation
• Norovirus infection (Norwalk virus)
• Norwalk virus
• Nursemaid's elbow (radial head subluxation)