Sensorimotor Polyneuropathy: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Sensorimotor Polyneuropathy?
A neurologist usually treats sensorimotor polyneuropathy. Many people start with a primary care doctor, who can order blood tests and begin looking for causes, referring to a neurologist if the cause is not clear or symptoms are severe. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
Sensorimotor polyneuropathy damages many nerves throughout the body at the same time. It affects both the sensory nerves that carry feeling and the motor nerves that control movement, so signals do not travel the way they should, causing numbness, tingling, and weakness.
Symptoms
Symptoms often start in the longest nerves first, so the feet and hands are usually affected first. Many people notice numbness, tingling, burning, or a pins and needles feeling in the feet. Over time, muscles served by damaged nerves can become weak, affecting balance and tasks like buttoning a shirt.
Causes and who gets it
Diabetes is the most common cause in the United States, as high blood sugar over many years can injure nerves. Other causes include heavy alcohol use, low vitamin B12, kidney disease, thyroid problems, some infections, and certain toxins or medicines. When no cause is found, it is called idiopathic neuropathy.
How doctors diagnose it
A doctor starts with a health history, physical exam, and blood tests to look for causes such as diabetes, vitamin deficiencies, or thyroid problems. Electromyography (EMG) and nerve conduction studies measure electrical activity in muscles and how fast signals travel along nerves.
Treatment
Treatment focuses on the cause when one can be found. Controlling blood sugar in diabetes may slow further nerve damage, and treating a vitamin deficiency or stopping a harmful medicine can also help. Doctors often prescribe medicines to ease nerve pain, and physical therapy can keep muscles strong.
When to see a doctor
Anyone with ongoing numbness, tingling, burning pain, or weakness in the hands or feet should see a doctor. Sudden weakness, trouble walking, or loss of bladder or bowel control needs immediate medical attention.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Either type can order blood tests, check for common causes, prescribe medicines for nerve pain, and follow symptoms over time, referring to a neurologist when the diagnosis is unclear or symptoms are severe.
Common questions
Is sensorimotor polyneuropathy the same as peripheral neuropathy?
Peripheral neuropathy is a broader term that means any nerve damage outside the brain and spinal cord. Sensorimotor polyneuropathy is a specific type that affects many nerves and involves both feeling and movement. Doctors may use the terms in similar ways during an evaluation.
Can nerve damage from polyneuropathy get better?
Nerves can heal, but healing is slow and results differ from person to person. Treating the underlying cause can help prevent further damage and may improve symptoms. Some people recover well while others continue to have numbness or weakness.
Can it be prevented?
Some causes can be lowered by managing conditions like diabetes, limiting alcohol, and eating a balanced diet that includes enough vitamins. Not every case can be prevented, especially ones with inherited or unknown causes. Regular checkups can help catch problems early.
Does it always affect the feet first?
It usually affects the feet first because the longest nerves are often damaged earliest. Symptoms can then move upward to the legs and hands over time. The pattern can vary depending on the cause.
Sources
- MedlinePlus - Peripheral Neuropathy
- National Institute of Neurological Disorders and Stroke - Peripheral Neuropathy
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
