For most people, pain is an automatic reflex that protects them from damaging stimulus like a hot stove or candle. For example, heat exposure activates pain receptors in the skin, which pass a signal along a sensory neuron to the spinal cord. This activates a motor neuron, which sends a signal to the muscles in the arm, causing it to contract. But nerve damage can send false signals that cause real pain, or prevent individuals from feeling pain when they are injured.

Neuropathic pain symptoms & treatment

Nerve damage affects approximately 20 million Americans. There are more than 100 different types of nerve damage with a range of different causes, including cancer and drug side effects and toxicities. Other causes are compression, trauma, autoimmune diseases, diabetes, motor neuron diseases, nutritional deficiencies, and infections. Learn more about the symptoms of and treatments for…

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