What Is Diabetic Neuropathy and How Is It Recognised?: Diabetic neuropathy is a type of nerve damage associated with diabetes. It can develop when persistently elevated blood glucose and other metabolic factors damage nerves and the small blood vessels that supply them.
The condition often affects the feet and legs, but it can also affect the hands and nerves that control internal organs.
Recognising symptoms early is important because diabetic neuropathy can reduce sensation, increase the risk of foot injuries, and affect everyday activities. Some people experience pain or tingling, while others may lose sensation without feeling discomfort.
What Are the Common Symptoms of Diabetic Neuropathy?
Symptoms depend on which nerves are affected.
1. Tingling or Pins-and-Needles Sensations
Some people experience tingling, prickling, or a sensation similar to small electric shocks in their feet or hands.
Symptoms may begin in the toes and gradually move upward.
2. Burning Pain
Nerve damage can cause burning, sharp, shooting, or aching pain. Symptoms may become more noticeable at night and can interfere with sleep.
3. Numbness or Reduced Sensation
Some people lose the ability to feel heat, cold, pressure, or pain normally. This is particularly concerning in the feet because an injury may go unnoticed.
4. Balance Problems
Reduced sensation in the feet can affect balance and make walking more difficult. Some people may be at increased risk of falls.
5. Changes in Digestion or Other Body Functions
Diabetes can affect nerves that regulate internal organs. Depending on the nerves involved, symptoms may include digestive problems, dizziness when standing, bladder difficulties, or sexual dysfunction.
These symptoms can have many possible causes, so medical assessment is needed rather than assuming they are all due to diabetes.
What Causes Diabetic Neuropathy?
Persistently elevated glucose can contribute to nerve damage over time. Other factors may also increase risk, including:
- Longer duration of diabetes.
- High blood pressure.
- Abnormal cholesterol levels.
- Smoking.
- Kidney disease.
- Other nutritional or medical conditions that affect nerves.
Not every person with diabetes develops neuropathy. Risk varies, and symptoms can occur at different stages of the condition.
How Is Diabetic Neuropathy Diagnosed?
A healthcare professional may ask about symptoms, examine the feet, assess sensation, and review medical history.
Depending on the situation, testing may include:
- A foot examination.
- A test of protective sensation using a monofilament.
- Vibration testing.
- Reflex assessment.
- Blood tests or other investigations to check for alternative causes of nerve symptoms.
For example, vitamin B12 deficiency, certain medications, thyroid disorders, and other neurological conditions can cause similar symptoms. People taking metformin long term may need assessment for vitamin B12 deficiency when clinically appropriate.
Why Is Foot Care Important?
Nerve damage can make it difficult to notice cuts, blisters, burns, or pressure injuries. If circulation is also impaired, wounds may heal slowly and become infected.
To protect your feet:
- Inspect the tops, soles, and spaces between your toes every day.
- Wash your feet and dry them carefully, particularly between the toes.
- Wear well-fitting footwear.
- Avoid walking barefoot, especially outdoors.
- Do not use heating pads or hot water bottles on numb feet.
- Seek medical advice promptly for a wound, swelling, redness, or signs of infection.
Do not attempt to cut away corns or calluses yourself if you have reduced sensation or circulation problems.
Can Diabetic Neuropathy Be Treated?
Treatment depends on the type and severity of nerve damage.
Care may include improving glucose management, addressing blood pressure and cholesterol, treating other contributing conditions, and prescribing medication for nerve pain when needed.
Pain medication can reduce symptoms but may not reverse existing nerve damage. Some people benefit from physical therapy, balance training, or specialist foot care.
Never stop prescribed diabetes medication or begin supplements intended for nerve health without discussing them with your healthcare professional.
When Should You Seek Medical Attention?
Arrange a medical assessment for persistent tingling, burning, numbness, or unexplained pain.
Seek prompt care if you notice a new foot wound, spreading redness, swelling, discharge, a blackened area of skin, or a foot that becomes unusually hot or cold.
Sudden weakness, sudden loss of sensation, or neurological symptoms accompanied by facial drooping or difficulty speaking require emergency assessment because they may indicate a different serious condition.
Frequently Asked Questions
1. Can diabetic neuropathy be reversed?
Some symptoms may improve when contributing factors are addressed, particularly if an underlying cause is treatable. However, established nerve damage may not be fully reversible.
2. Does diabetic neuropathy always cause pain?
No. Some people experience burning or shooting pain, while others mainly experience numbness or reduced sensation.
3. Can neuropathy occur even if diabetes is not very severe?
Yes. Nerve problems can develop at different stages, and symptoms do not always match a single glucose reading. Medical assessment is important.
4. Does walking help diabetic neuropathy?
Appropriate physical activity may support general health, circulation, and mobility. However, people with foot wounds, severe numbness, or balance problems may need an individually adapted activity plan.
5. How often should people with diabetes have their feet examined?
Foot examination is generally recommended at least annually, with more frequent assessment for people at higher risk. Your clinician can recommend the appropriate schedule.
Conclusion
Diabetic neuropathy can cause tingling, burning pain, numbness, balance problems, and other symptoms. Early assessment, suitable glucose management, and daily foot care can help reduce the risk of injuries and complications.
If you have persistent tingling, numbness, or burning sensations, consult a healthcare professional. Dr. Rajender’s Lifestyle Clinic, Banjara Hills, Hyderabad, provides diabetes management support and guidance on reducing complication risks.
Read Also:
