Nerve pain, called neuropathic pain in medical settings, is pain that originates from damage or disease within the nervous system itself. Unlike the pain you feel from a sprained ankle or a cut, which starts in injured tissue and travels through healthy nerves to your brain, nerve pain comes from nerves that are themselves malfunctioning. An estimated 7% to 10% of the general population lives with some form of it, making it one of the more common chronic pain conditions.
How Nerve Pain Differs From Other Pain
Most pain works like an alarm system. You stub your toe, pain receptors in the tissue fire a signal up through your nerves, and your brain registers it. This is nociceptive pain, and it serves a protective purpose. Conditions like arthritis, muscle strains, and burns all produce this kind of pain. Once the tissue heals, the pain typically fades.
Nerve pain breaks this system. The damage is in the wiring itself, not the tissue at the other end. A damaged nerve can fire pain signals spontaneously, with no injury triggering them. It can also amplify normal signals, turning a light touch or a warm shower into something painful. Because the problem lives in the nervous system, nerve pain often persists long after any original injury has healed. When it lasts or recurs beyond three months, it’s classified as chronic pain.
What Nerve Pain Feels Like
People describe nerve pain differently from other types of pain, and it often has a distinct, hard-to-ignore quality. The most commonly reported sensations include burning, sharp shooting or electric-shock feelings, tingling, and numbness. Some people experience a pins-and-needles sensation that doesn’t go away, while others feel a deep aching or throbbing in the affected area.
One of the hallmark features is allodynia, where something that shouldn’t hurt at all causes pain. Clothing brushing against skin, a bedsheet resting on your feet, or a breeze across your face can feel genuinely painful. Another is hyperalgesia, where a mildly painful stimulus feels disproportionately intense. These aren’t signs that the underlying tissue is damaged. They’re signs that the nerves themselves are misfiring.
Common Causes
Diabetes is the single most common cause, responsible for roughly 30% of neuropathy cases. Chronically elevated blood sugar damages the small blood vessels that supply nerves, particularly in the feet and hands. This is why many people with diabetes first notice numbness or burning in their toes.
Hundreds of other conditions can also trigger nerve pain:
- Shingles. The virus that causes chickenpox can reactivate decades later and inflame nerves, sometimes leaving behind lasting pain called postherpetic neuralgia.
- Stroke, multiple sclerosis, and Parkinson’s disease. Central nervous system disorders can damage the pain-processing pathways in the brain and spinal cord.
- Physical injury. Trauma from surgery, car accidents, or compression (like a herniated disc pressing on a nerve root) can cause lasting nerve damage.
- Alcohol use disorder. Long-term heavy drinking is toxic to nerve fibers, particularly in the legs and feet.
- HIV/AIDS. Both the virus itself and some medications used to treat it can damage peripheral nerves.
- Complex regional pain syndrome. This condition, often triggered by an injury, causes prolonged nerve pain that’s out of proportion to the original damage.
The Impact on Sleep and Mental Health
Nerve pain doesn’t just hurt. It disrupts sleep in ways that make the pain worse. People with neuropathic pain commonly have difficulty falling asleep, wake up multiple times during the night, and experience poor overall sleep quality along with excessive daytime sleepiness. This creates a feedback loop: poor sleep lowers your pain threshold, which makes the pain feel worse, which further disrupts sleep. The brain regions that process emotional aspects of pain also regulate sleep and anxiety, so chronic nerve pain frequently brings stress, anxiety, and low mood along with it. Treating the sleep disruption is often just as important as treating the pain itself.
How Nerve Pain Is Diagnosed
There’s no single blood test or scan that definitively identifies nerve pain. Diagnosis typically starts with a detailed description of your symptoms. The specific quality of the pain, whether it’s burning, shooting, or triggered by light touch, helps distinguish it from other types of pain. Doctors often use short screening questionnaires that ask you to rate and describe these sensations. These tools have strong accuracy, with the best ones correctly identifying nerve pain components about 75% to 87% of the time.
Beyond the questionnaires, your doctor may check nerve function through physical examination, testing reflexes, sensitivity to touch, and ability to sense vibration or temperature changes. Nerve conduction studies, which measure how fast electrical signals travel through your nerves, can sometimes pinpoint where the damage is. The underlying cause matters too, so blood sugar testing, imaging, or other workups may follow depending on your history.
Medication Options
Standard painkillers like ibuprofen and acetaminophen generally don’t work well for nerve pain because they target inflammation, not malfunctioning nerves. The medications that do work fall into a few main categories, and they may sound surprising because they weren’t originally designed for pain.
The first category includes medications originally developed for seizures, specifically gabapentin and pregabalin. These work by calming overactive nerve signaling, reducing the excessive electrical firing that causes pain. They’re among the most commonly prescribed options for diabetic neuropathy, post-shingles pain, and spinal cord injuries. The tradeoff is that they can cause drowsiness, dizziness, weight gain, and foggy thinking, especially when first starting.
The second category is certain antidepressants. One type, SNRIs like duloxetine, works by boosting the brain’s natural pain-dampening signals. These are particularly common for diabetic nerve pain and tend to have fewer side effects than older antidepressants. An older class, tricyclic antidepressants, also works for nerve pain but is more likely to cause dry mouth, constipation, and drowsiness. In both cases, the pain relief is separate from any effect on mood; you don’t need to be depressed for these medications to help with nerve pain.
Finding the right medication often takes time. Many people try more than one option or use a combination before landing on something that provides meaningful relief.
Non-Drug Treatments
Physical rehabilitation, cognitive behavioral therapy, and integrative therapies all play a role in managing nerve pain, particularly when medications alone aren’t enough. Regular movement helps maintain nerve function and can reduce pain sensitivity over time, even when it feels counterintuitive to exercise when you’re hurting.
For people with severe, treatment-resistant nerve pain, spinal cord stimulation is an option worth knowing about. A small device is implanted under the skin that delivers mild electrical pulses to the spinal cord, essentially interrupting pain signals before they reach the brain. In one major study, 34% of patients with spinal cord stimulators achieved at least a 50% reduction in pain at one year, compared to just 7% of patients managed with medication alone. Newer high-frequency versions of the technology have shown even better results, with nearly 80% of patients reporting significant pain relief at the 12-month mark. This approach is typically reserved for chronic conditions like failed back surgery syndrome, complex regional pain syndrome, and diabetic nerve pain that hasn’t responded to other treatments.
TENS units, which are smaller, portable devices that deliver mild electrical stimulation through skin patches, work on a similar principle at a much lower intensity. They’re available over the counter and some people find them helpful for day-to-day symptom management, though the evidence for long-term benefit is less robust than for implanted stimulators.