The National Institutes of Health (NIH) states that diabetic neuropathy is a complication of diabetes, where the nerves are damaged by high blood sugar (hyperglycemia ). The symptoms of diabetic neuropathy are dependent on which nerves are damaged. The Mayo Clinic notes that diabetics can suffer from one of four types of neuropathy: peripheral neuropathy (the most common), autonomic neuropathy, proximal neuropathy and focal neuropathy. These different forms of neuropathy can affect the digestive system, muscles, sensation and other parts of the body.
Gastrointestinal Symptoms
The NIH notes that many diabetic neuropathy patients experience gastrointestinal symptoms, ranging from constipation to a loss of bladder control. Patients may also experience diarrhea, nausea or vomiting. Abdominal pain and bloating are also symptoms of diabetic neuropathy.
Sensation Symptoms
A patient's sensation is affected if the sensory nerves are damaged, according to the NIH. Pain is a common symptom, which starts in the feet and legs. The Mayo Clinic notes that pain may become worse at night. The patient may also lose the ability to sense warm or cold. Other sensation symptoms include numbness, tingling and a burning sensation. As a result of sensation changes, weakness can occur.
Facial Symptoms
The NIH notes that the symptoms of diabetic neuropathy can affect the patient's face. Drooping can occur in the patient's eyelid, face or mouth, and excessive sagging or paralysis may present in the particular area. Speech impairment is another possible symptom of diabetic neuropathy. Vision problems, like double vision, eye pain and problems focusing, can occur.
Additional Symptoms
Male diabetic neuropathy patients can experience impotence; female diabetic neuropathy patients can experience vaginal dryness. Some patients may have orthostatic hypotension, in which they become lightheaded when getting up. Muscle cramps, dizziness, rapid heart rate and difficulty swallowing are other additional symptoms of diabetic neuropathy.
