Learn About Nerve Pain Research and Treatment Options

Understanding Nerve Pain: What It Is and Why It Happens

Nerve pain, also called neuropathic pain, occurs when nerves become damaged or stop working properly. Unlike regular pain from an injury or illness, nerve pain involves a malfunction in the nervous system itself. The nerves send incorrect pain signals to the brain, or they send signals even when there is no injury present. This type of pain feels different from other kinds—many people describe it as burning, tingling, shooting, or electric shock-like sensations.

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Nerve pain can develop in different parts of the body. Some people experience it in their feet and legs, while others feel it in their hands, arms, or face. According to research, approximately 3 million Americans have some form of neuropathic pain. The condition can develop suddenly or gradually over time.

Several conditions can cause nerve damage. Diabetes is one of the most common causes—about 50 percent of people with diabetes develop some degree of neuropathy. Other causes include infections like shingles, injuries to the spinal cord or limbs, chemotherapy treatments for cancer, vitamin deficiencies, autoimmune diseases, and certain medications. Sometimes the cause remains unknown, which doctors call idiopathic neuropathy.

Understanding how nerve pain develops helps you recognize symptoms early. When nerves become inflamed, compressed, or injured, they may start sending pain signals even without an actual threat. This is why nerve pain can persist long after an initial injury heals, or why it can develop without a clear cause. The pain signals get "stuck" in an overactive state.

Practical takeaway: Keep track of when your nerve pain started, what it feels like, and which body parts are affected. Write down any conditions you have—like diabetes or a recent infection—and any medications you take. This information helps healthcare providers understand your nerve pain better and explore treatment options.

Common Symptoms and When to Seek Medical Attention

Nerve pain symptoms vary widely depending on which nerves are affected and how severely they are damaged. The most common symptoms include tingling sensations, numbness, burning pain, sharp or shooting pain, weakness, and difficulty with balance or coordination. Some people experience pain that comes and goes, while others have constant, steady pain. The intensity can range from mild annoyance to severe pain that interferes with daily activities.

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Location matters when identifying nerve pain. Peripheral neuropathy—damage to nerves in the hands and feet—is the most common type. People with this condition often notice symptoms starting in the toes and gradually moving upward. They may have trouble feeling temperature changes or sensing pain in their feet, which can be dangerous because injuries might go unnoticed. Other people experience nerve pain in just one location, such as along a nerve path on one side of the body, which may indicate conditions like shingles or a pinched nerve.

Certain symptoms warrant a visit to a healthcare provider. Seek medical attention if you experience new numbness or tingling that lasts more than a few days, sudden weakness in your arms or legs, pain that worsens despite treatment, loss of balance or coordination, or numbness in your feet that affects your ability to walk safely. If you have diabetes and notice new numbness or tingling in your feet, contact your doctor even if the symptoms seem mild—early intervention can prevent serious complications. Similarly, severe burning pain, pain following an infection like shingles, or pain after an injury should be evaluated by a medical professional.

Some symptoms indicate a medical emergency. Call 911 or go to an emergency room if you experience sudden paralysis, sudden loss of sensation in large areas of your body, severe pain combined with fever or other signs of infection, or symptoms affecting your ability to breathe. Spinal cord compression and certain infections can cause nerve damage that requires urgent treatment.

Practical takeaway: Create a symptom log describing your pain (burning, tingling, sharp), where it occurs on your body, when it happens (constant, nighttime, with activity), and what makes it better or worse. Bring this log to appointments with your healthcare provider. Note any patterns, like symptoms getting worse after certain activities or at specific times of day.

How Nerve Pain Is Diagnosed

Diagnosing nerve pain involves several steps. Your healthcare provider will start with a detailed medical history, asking about your symptoms, when they started, how they affect your daily life, and any conditions or medications that might contribute to nerve damage. They will ask about pain characteristics—exactly what it feels like, where it's located, and what makes it better or worse. This conversation provides crucial information for narrowing down possible causes.

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Physical examination comes next. Your doctor will test your reflexes, strength, and balance. They will check your sensation by touching different areas with soft objects or asking you to identify temperatures. Walking tests may assess your gait and coordination. These tests help determine which nerves are affected and how severely. Your doctor may also examine your skin for signs of injury, infection, or changes in color or texture that could indicate nerve problems.

Several diagnostic tests can confirm nerve damage and identify its cause. Electromyography (EMG) measures the electrical activity of muscles and helps determine if nerve damage is present. Nerve conduction studies measure how quickly electrical signals travel along nerves—slower speeds indicate damage. Blood tests can reveal vitamin deficiencies, diabetes, infections, or autoimmune conditions that cause nerve damage. Imaging tests like X-rays, MRI, or ultrasound can show if nerves are compressed by bones, tumors, or other structures. Skin biopsies, which remove a tiny sample of skin to examine nerve fibers under a microscope, can diagnose small fiber neuropathy.

Not every case requires all these tests. Your doctor will order tests based on your symptoms and initial examination. Sometimes the cause of nerve pain remains unclear even after testing, which is frustrating but relatively common. Doctors may still recommend treatment options that manage symptoms effectively even without identifying a specific cause.

Practical takeaway: Before your appointment, write down your complete medical history including all conditions, surgeries, medications, and supplements. Note any family history of nerve problems, diabetes, or autoimmune diseases. Bring a list of questions about which tests might be recommended and why. Ask what results mean and when you will receive them.

Current Treatment Options for Nerve Pain

Treatment for nerve pain focuses on managing symptoms and, when possible, addressing the underlying cause. Options range from lifestyle changes and over-the-counter medications to prescription drugs and procedures. The best approach often combines several strategies tailored to your specific situation. What works well for one person may not work for another, so finding effective treatment sometimes requires trying different options.

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Medications are a primary treatment approach. Over-the-counter pain relievers like acetaminophen and nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen help some people, though they are not always effective for nerve pain. Prescription medications specifically designed for neuropathic pain include gabapentin and pregabalin, which work by calming overactive nerves. These medications can significantly reduce pain for many patients. Other prescription options include duloxetine, a type of antidepressant that also relieves nerve pain, and topical creams containing capsaicin or lidocaine that are applied directly to painful skin areas. Some doctors prescribe opioid medications for severe nerve pain, though these carry risks of dependence and are typically used only when other treatments don't work.

Non-medication treatments address nerve pain through different mechanisms. Physical therapy and exercise can improve strength, balance, and function while reducing pain. Even gentle activities like walking or swimming may help. Transcutaneous electrical nerve stimulation (TENS) uses a small device that sends mild electrical pulses through the skin to reduce pain signals. Acupuncture, an ancient Chinese practice involving thin needle insertion at specific body points, has shown promise in research studies for certain types of nerve pain. Cognitive behavioral therapy (CBT) helps people manage pain by changing how they think about and respond to it. Relaxation techniques, meditation, and other mind-body approaches can reduce pain perception and improve quality of life.

For nerve pain caused by specific conditions, treating that underlying condition may resolve symptoms. Controlling blood sugar in diabetes prevents additional nerve damage and may improve existing symptoms. Treating vitamin deficiencies through supplementation can reverse neuropathy if caught early. Removing tumors or other structures compressing nerves may relieve pain. Addressing infections that damage nerves requires appropriate antibiotics or antivirals. In some cases, nerve blocks—injections of medication near affected nerves—provide temporary relief while other treatments take effect.

Practical takeaway