Peripheral Neuropathy Treatment: Causes, Options and Regenerative Research

What is peripheral neuropathy?

Peripheral neuropathy is damage to the peripheral nerves, the network that carries signals between the brain and spinal cord and the rest of the body. It most often affects the longest nerves first, so symptoms usually start in both feet and can spread up the legs and later to the hands, a pattern called “glove and stocking”.

Common symptoms include:

• Numbness, tingling or pins and needles in the feet or hands
• Burning, stabbing or electric-shock pain, often worse at night
• Loss of balance and coordination, especially in the dark
• Muscle weakness or cramps
• Reduced ability to feel injuries, heat or cold

When nerves controlling automatic functions are involved (autonomic neuropathy), people may also notice dizziness on standing, sweating changes or bowel and bladder problems. The NHS peripheral neuropathy page gives a good overview.

Causes and risk factors

Diabetes is the most common cause of peripheral neuropathy in many countries. Other causes include:

• Vitamin B12 deficiency, sometimes linked to long-term metformin use
• Heavy alcohol use
• Chemotherapy and some other medicines
• Underactive thyroid and kidney disease
• Autoimmune conditions and some infections, such as shingles or HIV
• Inherited neuropathies, such as Charcot-Marie-Tooth disease

In some people no cause is found, which doctors call idiopathic neuropathy. Risk rises with age, poor blood sugar control and long duration of diabetes. The Mayo Clinic guide to peripheral neuropathy lists further causes.

How neuropathy is diagnosed

Diagnosis combines a careful history, a neurological examination and tests:

• Blood tests for blood sugar (HbA1c), vitamin B12, thyroid, kidney and liver function
• Nerve conduction studies and electromyography (EMG) to measure how well nerves carry signals
• Skin biopsy in some cases, to look for small-fibre neuropathy
• MRI of the spine when symptoms could come from a trapped nerve root, such as sciatica or spinal stenosis, rather than neuropathy

Getting the diagnosis right matters, because spinal nerve compression and neuropathy are treated very differently. If you have an MRI, nerve study report or blood results, you can send your MRI and reports for a doctor review.

Conventional peripheral neuropathy treatment

Mainstream treatment has three parts:

• Treat the cause. Better blood sugar control slows diabetic neuropathy. Replacing B12, stopping alcohol or changing a responsible medicine can allow partial recovery.
• Relieve nerve pain. The UK NICE guideline on neuropathic pain in adults suggests a choice of amitriptyline, duloxetine, gabapentin or pregabalin. Capsaicin cream may help localised pain. These medicines reduce pain for some people but do not repair nerves, and side effects like drowsiness, dizziness and weight gain are common.
• Protect the feet and improve function. Daily foot checks, podiatry, proper footwear, balance and strength exercises, and fall-prevention advice reduce the risk of ulcers and injury.

Regenerative options: what the evidence says

Researchers are studying whether regenerative treatments can protect or repair damaged nerves. At present none is an approved treatment for neuropathy in the US, UK, Australia or Canada.

• Stem cell therapy (mesenchymal stromal cells, MSCs): in animal models of diabetic neuropathy, MSCs release growth factors that support nerve and blood vessel health. Human data are limited to small early studies and case series. See PubMed research on stem cell therapy for diabetic neuropathy.
• Exosome therapy: vesicles released by cells, studied mainly in laboratory and animal models of nerve injury. Human clinical evidence is very limited.
• PRP therapy: occasionally used around compressed nerves, such as carpal tunnel syndrome, where small trials exist. Evidence for generalised neuropathy is minimal.

Because the evidence is early, regenerative care should only ever be added to, not replace, cause control and foot protection. The US FDA warns about unapproved stem cell therapies, and an honest clinic will explain the uncertainty clearly.

Comparing neuropathy treatment options

Option	What it targets	Evidence level	Main drawback
Blood sugar control	Progression of diabetic neuropathy	Strong	Needs long-term effort
B12 replacement (if deficient)	Underlying cause	Strong when deficiency present	Only helps if deficient
Duloxetine, amitriptyline, pregabalin, gabapentin	Nerve pain	Moderate	Side effects; no nerve repair
Foot care and podiatry	Ulcers and injury	Strong	Ongoing routine
Balance and strength exercise	Falls and function	Moderate	Needs regular practice
Stem cell (MSC) therapy	Possible nerve support	Experimental, small studies	Unproven; uncertain durability
Exosome therapy	Possible nerve support	Mostly pre-clinical	Very limited human data

Living with peripheral neuropathy: daily self-care

Self-care is the backbone of neuropathy management, whatever other treatment you choose:

• Inspect your feet daily, using a mirror if needed, and moisturise dry skin (not between the toes).
• Never walk barefoot, and check bath water with your elbow or a thermometer, as numb feet can be burned easily.
• Wear well-fitting, cushioned shoes and ask a podiatrist about insoles if you have pressure areas.
• Stay active. Walking, cycling and swimming support circulation, blood sugar control and balance.
• Limit alcohol and stop smoking, both of which damage nerves and blood vessels.
• Make your home safer with good lighting, night lights and removal of trip hazards.

Who may be a candidate for regenerative treatment?

A doctor may discuss a regenerative program if you:

• Have a confirmed diagnosis of peripheral neuropathy with a known cause that is already being treated
• Have stable diabetes with reasonable blood sugar control, if diabetic
• Still have troublesome symptoms despite standard medicines and foot care
• Understand that the treatment is experimental and results cannot be predicted

Who should not have regenerative treatment

Regenerative treatment is generally not suitable if you have:

• An undiagnosed cause of neuropathy, or symptoms that could be a spinal or vascular problem needing other treatment
• Rapidly progressive neuropathy, which needs urgent neurological work-up
• Active foot ulcers, infection or gangrene
• Active cancer, or neuropathy during ongoing chemotherapy
• Very poorly controlled diabetes, severe kidney or heart disease, or pregnancy

Risks and side effects

Intravenous or local cell treatments can cause fever, headache, tiredness, injection-site pain or bruising for a few days. Less commonly there may be infection or allergic reaction. Because people with neuropathy have reduced sensation, injection sites on the feet need careful aftercare. Long-term safety data for cell therapy in neuropathy are limited. Cells used in our programmes are prepared in ISO 9001:2015-certified partner laboratories.

What a neuropathy treatment trip to Bangkok looks like

1. Before you travel: send your nerve conduction study, blood test results, any MRI and a list of your medicines on WhatsApp. A doctor reviews whether a program is reasonable and whether further tests are needed first.
2. Day 1: consultation, neurological and foot examination, and blood tests.
3. Day 2 to 5: treatment sessions according to the agreed protocol, with monitoring after each session.
4. Final days: review, foot-care and exercise plan, and coordination with your home doctor.

Programmes typically involve about 5 to 10 days in Bangkok. People travel from Australia, the UK, the US and Canada. Read how it works for each step. No result can be guaranteed.

Recovery and aftercare at home

• Keep your diabetes, B12 and other underlying conditions under regular review with your home doctor
• Check your feet every day for cuts, blisters or colour changes
• Continue prescribed pain medicines unless your doctor changes them
• Keep up balance and strength exercises to reduce falls
• Track symptoms such as pain scores and numbness and share updates with the medical team on WhatsApp

Seek urgent care for any foot wound that is red, swollen or not healing, or for sudden weakness.