Inferior lateral brachial cutaneous nerve

Looks like

A skin branch of the radial nerve piercing the outer side of the arm below the deltoid.

What it does

Brings feeling from the skin of the lower outer upper arm.

Keeping it well

Rarely injured alone; relevant in upper arm fractures and surgery.

Related conditions

• Amyloidosis (AL and ATTR)
• Botulism
• Chickenpox (varicella)
• Chronic neuropathic pain
• Chronic pain syndrome
• Fibromyalgia
• Guillain-Barré syndrome
• Lyme disease
• Myasthenia gravis
• Peripheral neuropathy
• Rabies
• Restless legs syndrome
• Shingles (herpes zoster)
• Tetanus
• Vitamin B1, C and other deficiencies