Nerve Injuries: Types, Causes, Symptoms, and Treatment Options in South Florida

What are nerve injuries? Do you have numbness in your fingers after a wrist injury? A burning pain in your feet? Or trouble lifting your foot while walking? These symptoms can have different causes, but each may point to a problem affecting the nerves that carry messages between the brain, spinal cord, and body.

Identifying where a nerve is affected and why is the first step toward effective treatment. South Miami Neurology will evaluate your symptoms with a neurological examination and, when appropriate, neurodiagnostic testing.

What is a Nerve Injury?

A nerve injury occurs when a nerve is stretched, compressed, inflamed, or otherwise damaged. Peripheral nerves extend from the brain and spinal cord to the arms, legs, face, and internal organs. Some carry sensations such as touch, temperature, and pain. Others control muscle movement or automatic functions such as sweating.

The term neuropathy describes nerve damage or disease. A single affected nerve is called mononeuropathy. Damage involving many nerves is called polyneuropathy. A pinched nerve root near the spine, called a radiculopathy, can produce pain or weakness that travels into an arm or leg. These distinctions matter because a hand injury, a compressed spinal nerve, and diabetes-related neuropathy may require very different care.

Common Types of Nerve Injuries

Compression or entrapment injuries occur when pressure affects a nerve along its path. Carpal tunnel syndrome involves the median nerve at the wrist and can cause tingling in the thumb, index, and middle fingers. Pressure on the ulnar nerve near the elbow may affect the ring and little fingers. Compression of the peroneal nerve near the knee can sometimes contribute to foot drop.

Traumatic injuries may follow a fall, sports injury, cut, fracture, or motor vehicle collision. A nerve may be bruised or stretched; a more severe injury may damage or sever its fibers. Recovery depends on the location and severity of the injury.

Nerve root injuries can arise when a herniated disk or changes in the spine irritate a nerve root. Symptoms may radiate from the neck into the arm or from the lower back into the leg. Sciatica is a familiar example of radiating leg pain, although an evaluation is needed to identify its source.

Polyneuropathy usually affects multiple nerves, often beginning in the toes and feet before progressing upward. Diabetes is a common cause, but vitamin deficiencies, alcohol exposure, certain medications, kidney disease, and other medical conditions may also contribute.

Inflammatory or immune-related nerve disorders are less common but can cause significant weakness or sensory changes. They need careful diagnosis because their treatments differ from those used for pressure-related injuries.

Causes and Symptoms

Nerve problems can develop suddenly after an accident or gradually over months. Repetitive movements, prolonged pressure, injury, a spinal condition, diabetes, nutritional problems, infections, and medication effects are among the possible causes. Sometimes no clear cause is found immediately.

Symptoms vary with the nerves involved. Sensory changes may include numbness, pins and needles, burning, electric shock-like pain, or unusual sensitivity to touch. Motor nerve problems may cause weakness, cramping, loss of muscle bulk, trouble gripping objects, wrist drop, or foot drop. Some people notice balance problems because they cannot clearly feel where their feet are. Changes in sweating or blood pressure may occur when nerves controlling automatic body functions are affected.

Seek emergency care for sudden weakness or numbness, especially with facial drooping, speech difficulty, or confusion. Rapidly progressing weakness, difficulty breathing or swallowing, or new loss of bladder or bowel control also requires urgent medical evaluation. For symptoms that persist, worsen, or interfere with daily life, make an appointment with a healthcare professional.

How South Miami Neurology Evaluates Nerve Injuries

An evaluation starts with when symptoms begin, which areas are affected if there is an injury, or medicines that may affect nerve health. A neurologist then checks strength, reflexes, sensation, coordination, and walking. Depending on the findings, blood work or other tests may help uncover a treatable cause.

South Miami Neurology offers several neurodiagnostic services. Electromyography (EMG) and nerve conduction studies (NCS) are often the most directly useful tests for suspected peripheral nerve injuries. NCS measures how well electrical signals travel through selected nerves. EMG records electrical activity in muscles, helping a neurologist assess whether weakness may relate to a nerve, nerve root, or muscle problem. The tests are interpreted alongside your symptoms and examination; an early or small-fiber problem may require a different approach even when routine studies are unrevealing.

For suspected carpal tunnel syndrome, South Miami Neurology also offers wrist ultrasound, which can help assess structures around the median nerve. CT or MRI imaging of the brain, spine, or nerves may be considered when symptoms suggest a structural problem, such as a disk pressing on a nerve root, or when another diagnosis needs investigation.

Additional in-office neurodiagnostic tests include somatosensory (SSEP), visual (VEP), and brainstem auditory (BAER). These assess specific sensory pathways when clinically indicated; they are not routine tests for every peripheral nerve injury. EEG evaluates brain electrical activity, and VNG assesses certain dizziness or balance problems. Your neurologist will choose tests based on the clinical question rather than ordering every available study.

Treatments Available in South Florida

Treatment depends on the cause, severity, and duration of the nerve problem. Relieving pressure on a nerve may involve changing aggravating activities, adjusting ergonomics, using a brace or splint, and participating in physical or occupational therapy. If a condition such as diabetes or a vitamin deficiency is contributing, addressing it is an important part of protecting nerve health.

For pain, a clinician may consider medicines used specifically for nerve pain, as well as approaches that support sleep, movement, and daily function. Rehabilitation can help improve strength, balance, and safe movement. Some patients with persistent compression, severe traumatic injury, or progressive weakness may need a referral to a surgeon. Inflammatory neuropathies may require specialist-directed treatment of the immune condition. No single medicine or procedure is right for every nerve injury, and recovery can be gradual.

South Miami Neurology’s seven board-certified neurologists, Drs. Victor Barredo, Bruce Kohrman, Javier Lopez, Simon Starosta-Rubinstein, A. Pandey, Christopher Jimenez, and Dyanet Alvarez, evaluate a broad range of neurological concerns. The practice offers neurodiagnostic testing and coordinates additional care when needed. Its South Miami office serves patients from Miami, Coral Gables, Kendall, Pinecrest, Homestead, and other South Florida communities.

If you have ongoing numbness, tingling, burning pain, or weakness, call 305-665-6501 or request an evaluation on our website.

Frequently Asked Questions About Nerve Injuries

Can a damaged nerve heal?
Some nerves improve when pressure is removed, or the underlying cause is treated. Recovery depends on the type and extent of damage, how long it has been present, and your overall health. Some injuries leave lasting symptoms, so an individualized evaluation matters.

How do I know whether my symptoms come from a nerve or a muscle?
Symptoms can overlap. A neurological examination, EMG, and nerve conduction studies may help distinguish a peripheral nerve, nerve root, or muscle problem. Your neurologist may recommend additional testing based on the results.

Does tingling in my hand always mean carpal tunnel syndrome?
No. Hand tingling can also come from another compressed nerve, a neck problem, or a more widespread neuropathy. The fingers affected, examination findings, and appropriate tests can help identify the cause.

When should I see a neurologist for a possible nerve injury?
Arrange an evaluation if numbness, pain, or weakness persists, worsens, recurs, or affects walking, work, sleep, or everyday tasks. Seek urgent help for rapidly worsening weakness or other emergency symptoms described above.

Will I need an EMG or nerve conduction study?
Not necessarily. These tests are useful for many suspected nerve and muscle conditions, but the right testing plan depends on your history and examination. Your neurologist can explain what each recommended test may clarify.