Leg symptoms
Sciatica vs Neuropathy: One Nerve Path or Many Nerves
Sciatica vs neuropathy is a question of pattern. Sciatica is trouble along one nerve path running from the lower back into a leg. Peripheral neuropathy is damage to nerves in the body's outer parts, often both feet. Causes differ, so a doctor has to sort them out. No source says Flow Nerves helps either.
Written by the Flow Nerves label deskUpdated · 4 min read
The difference
What is the difference between sciatica and neuropathy?
Sciatica points to one nerve path, usually on one side, from the lower back down a leg. Neuropathy points to nerves farther out, and often both sides at once.
The sources on our list do not define sciatica, so we use the ordinary meaning and keep it short. They do describe the other side. NINDS says diabetes is the leading cause of peripheral neuropathy in the U.S., and that numb, tingling or burning feet are common with it (NINDS, Peripheral neuropathy).
| Sciatica | Peripheral neuropathy | |
|---|---|---|
| Pattern | One leg, along one path | Often both feet, then hands (Mayo Clinic, Peripheral neuropathy) |
| Typical causes | Pressure on a nerve near the spine | Diabetes, low vitamins, alcohol, medicines (Mayo Clinic, Peripheral neuropathy) |
| Who decides | A doctor, by exam and tests | |
The sciatica column is general knowledge, not from a source on our list.
Possible causes
What can cause leg numbness and tingling?
Many things can. Mayo Clinic lists diabetes, low B vitamins, alcohol use, injuries or pressure on a nerve, some medicines, infections and kidney, liver or thyroid disease (Mayo Clinic, Peripheral neuropathy).
A slipped disk or repeated pressure on a nerve is on that list too. Sometimes no cause is found.
- DiabetesThe leading cause of peripheral neuropathy in the U.S.; about two thirds of people with diabetes have nerve problems of some degree. (NINDS, Peripheral neuropathy) (ADA, Neuropathy and diabetes)
- A vitamin shortfallB vitamins, copper and vitamin E matter to nerves. With low B12, numbness and tingling in the hands and feet can occur. (Mayo Clinic, Peripheral neuropathy) (NIH ODS, Vitamin B12)
- AlcoholAlcohol use disorder can damage nerves directly and by lowering vitamins. (Cleveland Clinic, Peripheral neuropathy) (Mayo Clinic, Peripheral neuropathy)
- Injury or pressureA crush, a fracture, a slipped disk or repeated pressure on a nerve can all cause symptoms. (NINDS, Peripheral neuropathy) (Mayo Clinic, Peripheral neuropathy)
- MedicinesSome medicines, especially chemotherapy, can cause peripheral neuropathy. (Mayo Clinic, Peripheral neuropathy)
- Other health problemsInfections such as shingles, autoimmune conditions, kidney, liver or thyroid disease, and inherited conditions are on the list. Sometimes no cause is found. (Mayo Clinic, Peripheral neuropathy) (MedlinePlus, Peripheral nerve disorders)
Getting checked
When should leg symptoms get a doctor visit?
See a doctor for new tingling, weakness or pain in the legs or feet. Mayo Clinic says to seek medical care right away (Mayo Clinic, Peripheral neuropathy).
CDC also says to call if burning, tingling, weakness or pain disrupts your day or sleep, or if a foot sore is infected or will not heal (CDC, Diabetes and nerve damage).
Sudden weakness or numbness on one side, trouble speaking, chest pain or trouble breathing.
Say whether it is one leg or both, and what you take. A supplement list matters, because some interact with medicines.
Supplements
Does a nerve supplement help sciatica or neuropathy?
No source we read says so about Flow Nerves. NCCIH says that for most supplements there is no evidence of a beneficial effect on diabetes or its complications (NCCIH, Diabetes and supplements).
Flow Nerves has six named ingredients and no printed milligrams, so no study dose can be matched to a capsule. Its label says only NERVE SUPPORT*. Ask your doctor or pharmacist before you start, and keep taking prescribed medicine.
FAQ
Flow Nerves questions people ask
Is sciatica a type of neuropathy?
Our sources do not say. We treat them as separate questions: one nerve path in the leg versus wider damage to outer nerves. A doctor can say which fits your symptoms after an exam.
Can neuropathy cause leg pain?
Yes. Mayo Clinic lists sharp, jabbing, throbbing or burning pain and muscle weakness among its symptoms (Mayo Clinic, Peripheral neuropathy). Because causes differ, new leg symptoms should be checked.
Can diabetes cause leg symptoms?
Yes. NINDS says about two thirds of people with diabetes have nerve problems of some degree, which can cause numb, tingling or burning feet (NINDS, Peripheral neuropathy). Controlling blood sugar is part of managing it.
What should I tell my doctor about leg tingling?
Say which leg, when it starts and what you take. CDC says to keep notes on symptoms to share (CDC, Diabetes and nerve damage). Bring your supplement bottles, including Flow Nerves, to the visit.
Should I try Flow Nerves for sciatica?
No source supports that. Flow Nerves is a dietary supplement, not a medicine, with one label claim, NERVE SUPPORT*. See a doctor first, especially if a leg is weak or numb.
Who wrote this
Written and reviewed by
Pages built from the label, the brand panels and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site for a U.S. stocking partner for Flow Nerves. It is not the manufacturer or a distributor named on the label. We earn money when you buy through our order links.
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