Burning Feet. Tingling fingers. Numbness that won’t go away. When these symptoms appear, many people suspect diabetes. While diabetes is a common cause of this peripheral neuropathy, it’s not the only one.
Many people don’t realize that you can develop neuropathy even if you’ve never had high blood sugar. Many other conditions can cause the same sensations.
If you’ve been told your blood sugar is normal, but you still have numbness and tingling in your hands and feet, don’t assume you’re out of answers. Your problem might not be diabetes, but something entirely different. It may be time to schedule a chiropractor appointment or seek another appropriate medical evaluation to determine what’s causing them.
Medical and Nutritional Causes of Neuropathy
Several health conditions can damage nerves and cause the same symptoms as diabetic neuropathy.
Vitamin B12 Deficiency
Your nerves rely on vitamin B12 to stay healthy. Low levels can damage nerves, especially in your hands and feet. This deficiency is more common in adults over 60, those who follow a strictly plant-based diet, and people taking certain medications that interfere with B12 absorption.
Heavy Alcohol Use
Alcohol can damage your nerves directly and can lead to vitamin deficiencies that can make nerve problems worse. The symptoms typically begin in the feet.
Autoimmune Diseases
Conditions like lupus and rheumatoid arthritis can cause the immune system to attack healthy nerves.
Thyroid Disorders
Both underactive and overactive thyroids can disrupt nerve signaling. A poorly functioning thyroid can cause swelling, nutritional deficiencies, and immune system dysfunction, all of which can affect nerve function.
Kidney Disease
Kidney disease affects the body’s ability to filter toxins. When those toxins accumulate, they can damage the peripheral nerves.
Certain Medications and Infections
Some chemotherapy drugs, antibiotics, and infections like shingles can damage nerves. Sometimes the symptoms can last long after the original illness has passed.
Physical and Work-Related Causes of Neuropathy
Not all neuropathy is caused by a medical condition. Sometimes the problem comes from the work you do every day.
Nerves can become irritated or damaged when they’re exposed to repeated pressure, repetitive movements, or constant vibration over months or years. The symptoms can look just like neuropathy caused by diabetes or other health conditions.
Some common examples include:
Carpal Tunnel Syndrome
Repeated hand and wrist movements, gripping tools for extended periods, or frequent use of vibrating equipment can place pressure on the median nerve as it passes through the wrist. As pressure on the nerve increases, it can cause numbness, tingling, pain, or weakness in the thumb, index, middle, and part of the ring finger.
It can be common among factory workers, farmers operating equipment with vibrating controls, and anyone who performs repetitive handwork.
Long Hours Operating Heavy Equipment
Driving tractors, trucks, or other heavy machinery exposes the body to constant vibration, which may affect both circulation and nerve health over time. As blood flow and nerve function become impaired, numbness, tingling, burning sensations, or weakness can gradually develop in the hands and feet.
Frequent Kneeling or Squatting
Prolonged pressure on areas where nerves are close to the surface, like the knees, can compress and damage the nerves there and restrict blood flow. Tradespeople and farm workers can experience this after years of repeated kneeling and squatting.
If your symptoms seem to worsen during busy work seasons or after long days on the job, take a look at the types of physical labor and movements you consistently do. They could be contributing to your symptoms.
When Spinal Problems Look Like Neuropathy
Not all burning, tingling, or numbness starts in the hands and feet. Sometimes the problem begins in your spine.
Think of a garden hose with a kink somewhere in the middle. The problem is where the hose is bent, but the effect shows up at the end, where the water is supposed to come out. Similarly, pressure on a nerve in your spine can cause symptoms farther away, in your arm or leg.
A disc problem in your lower back can cause symptoms that travel down your leg and into your foot. A pinched nerve in your neck can cause pain or tingling in your shoulder, arm, or hand. Because the symptoms can look so similar, spinal nerve problems are sometimes mistaken for peripheral neuropathy.
The care for this type of problem is very different from the care for peripheral neuropathy, even though they may feel the same. If a nerve is being pinched in your spine, treating only your hand or foot won’t fix the underlying cause.
Why Finding the Cause Changes Treatment
If you are experiencing peripheral neuropathy but have normal blood sugar, it’s time to start looking beyond diabetes. Maybe your body isn’t getting enough B12, or maybe it’s years of gripping a steering wheel or kneeling at a job site. The symptoms can feel the same but be caused by very different things.
Luckily, there are many different ways to treat neuropathy. The right one for you will depend on what’s causing it. An improvement in your vitamin levels won’t do much for numbness that comes from a long day on a backhoe.
A neuropathy chiropractor may be able to help. They can review your medical history, work experience, and spinal condition. Keep asking questions. Push for a fuller picture. Once you find the actual issue, you don’t have to just manage symptoms. You can treat the cause.
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