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Tingling (paresthesia) is an uncomfortable sensation that can occur anywhere in the body for a number of reasons. It can appear as a result of sensory nerve damage, a deficiency in some vitamins, allergies, disturbed blood supply, and certain drugs, among other things. Tingling can sometimes progress to the level of numbness or even pain. In any case, sensory nerve damage or irritation produces a tingling sensation no matter what caused it. Here are some of the most common causes of a tingling sensation:

Nerve Injury

Nerve injuries often cause tingling sensations that can be temporary or permanent. When the arms or legs are placed in a position where some of the nerves are pressed against an object, that can cause nerve damage and a consequent feeling of tingling and numbness. In most cases, those damages are self-repairable and the unpleasant sensations disappear within hours or days. However, neurological examination is sometimes needed in order to investigate the severity of the nerve damage.

Diabetes Mellitus

Diabetic neuropathy occurs in patients with poorly regulated blood sugar levels. It can begin to manifest as tingling and numbness in different parts of the body, but the hands and feet are most commonly affected. This is a serious complication of diabetes and it can be prevented through proper management of blood sugar levels in these patients using the appropriate treatment plans. Once it reaches advanced levels, diabetic neuropathy can cause serious damage. If you suffer from diabetes mellitus and you notice tingling in your arms and legs, please be aware that this can be the first sign of diabetic neuropathy and consult your doctor.

Vitamin Deficiency

Deficiency of some vitamins, especially B complex, can cause a tingling in different parts of the body. Vitamin B12 plays a crucial role in the repair of the nervous system from damage done constantly by various internal and environmental factors. It helps the repair of Myelin sheath, an isolator of nerve fibers that enables a fast and undisturbed electrical conduction through our nerves. Vitamin B12 is the only vitamin from B complex that is stored in the liver, so it takes years to spend its stores. However, vegetarians who don't plan their meals well can develop a vitamin B12 deficiency, as the main sources of this vitamin are meat and eggs. Other vitamins are also important for the functioning of the nervous system, such as B1, B6, E, D, and folic acid. Vitamin B complex supplements are usually the initial treatment for unexplained tingling reported by patients.

Food and Drug Allergies

Allergies to some food or drugs can cause tingling sensations in your hands, legs or lips, but tingling is usually not the only symptom of an allergy. It is often combined with itching, rash, sneezing, and other symptoms.

Disturbed Blood Supply

An interrupted blood supply to the some regions of the body due to pressure on some blood vessels, thrombosis or embolism can manifest as tingling. In severe cases, it is associated with numbness, pain, swelling, and pale cold skin. If you notice some of these symptoms, see your doctor immediately.

In conclusion, tingling is a very common complaint in human medicine, and in most cases it is benign and temporary. If the sensation persists for a longer period of time, further investigation is necessary in order to get the right diagnosis from the pool of possible causes.

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