Possible causes of Arm numbness (paresthesias)

25 conditions can cause this symptom. Most common are listed first.

• Cerebral vascular accident (stroke) Common Urgent
• Cervical radiculopathy (pinched nerve in neck) Common
• Cervical spine stenosis (neck spinal stenosis) Common
• Cervical spondylosis (neck arthritis) Common
• Diabetes (elevated blood sugar) Common
• Fracture (broken bone) Common Pediatric
• Frostbite Common Urgent Pediatric
• Herniated disc (slipped disc, ruptured disc) Common
• Multiple sclerosis (MS) Common
• Peripheral neuropathy (nerve dysfunction) Common
• Peripheral vascular disease (blocked arteries) Common
• Alcoholism
• Brachial plexus injury (shoulder nerve injury) Pediatric
• Cancer (tumor)
• Cervical spine fracture (broken neck bone) Urgent Pediatric
• Compartment syndrome (painful swelling in a limb) Urgent
• Guillain Barre syndrome (ascending muscle weakness) Urgent
• Lead poisoning (toxicity) Urgent Pediatric
• Lyme disease Urgent Pediatric
• Shoulder joint dislocation (dislocated shoulder) Urgent
• Spondylolisthesis (slipped back bone)
• Thoracic outlet syndrome
• Transverse myelitis (spinal cord inflammation) Urgent
• Traumatic nerve injury Urgent
• West Nile virus infection Urgent