Most people have experienced tingling when sitting cross-legged for too long or fall asleep with head crushed hand. This condition also occurs when the pressure on the nerve that goes right. However, the numbness will go away when the pressure is not there anymore.

Tingling can also be an indication of many diseases, such as diabetes mellitus, hypertension, pinched nerves, impaired blood flow in peripheral blood vessels, and blood disorders. There are times when they are not known to have diabetes, numbness can be an early symptom of diabetes known.

Chronic paresthesia or tingling is often a symptom of neurological disease or traumatic nerve damage. The cause is a disorder that affects the central nervous system such as stroke and mini stroke, multiple sclerosis, transverse myelitis, and encephalitis.

Tumors and vascular lesions that suppress brain or bone marrow can also cause paresthesia. Neurological syndromes such as carpal canal syndrome (CTS) can damage the peripheral nerves and cause paresthesia accompanied by pain.
Here are a number of diseases characterized by symptoms of tingling.

1. Diabetes mellitus (DM)
In patients with DM, numbness is a symptom of damage to the blood vessels. As a result, blood flow is reduced in nerve endings. This condition can be overcome by controlling blood sugar levels closely, also taking drugs such as gabapentin, vitamin B1 and B12.

2. Stroke
Tingling can be a sign of a mild stroke. Usually caused by a blockage in the blood vessels in the brain, resulting in damage to local nerves. Other symptoms appear: numbness half body, half body paralyzed, blind in one eye, difficulty speaking, dizziness, double vision and blurred.
Symptoms last a few minutes or less than 24 hours. Usually occurs during sleep or just woken up. This condition must be treated because it can develop into a severe stroke.

3. Heart disease
Not only due to neuropathy tingling pressure, but because of cardiac complications with her nerves. In patients who are undergoing heart valve surgery installation, there is a blood clot that sticks. That can clot carried by the flow of blood to the brain, causing cerebral embolic.
If the blockage in the brain areas that regulate sensory system, the patient will feel a tingling side. If the local governing motor system is also affected, will be accompanied by tingling paralysis.

4. Spinal infection
This causes parts of the body from the navel downwards can not be moved. Patients can not control urination. Defecation was difficult. This disease called myelitis (inflammation of the spinal cord). Cure rate depends on the damage. Get rid of most, but there are also paralyzed.

5. Rheumatism
This disease can cause tingling or numbness. In this case due to a pinched nerve in the hinge joints, such as the wrist joints, deformed. Tingling symptoms usually disappear when cured rheumatism.

6. Spasmofilia (tetani)
Symptoms of tingling can also be a sign of disease spasmofilia (tetany). The disease is caused by calcium ion levels in the blood is reduced. The cause is the reduced tension of carbon dioxide in the lungs. Other symptoms: cramps in the legs, insomnia, emotional instability, fear, weakness, headaches or migraines, and lost consciousness.

7. Guillain-barre syndrome
Tingling could be one indication of this disease. Marked symptoms of high fever, cough, and shortness of breath. Also followed by tingling and numbness. Tingling sensation usually felt in the whole body, especially on the tips of your toes and hands due to virus attacks the peripheral nervous system.
If the situation is not addressed, will continue to attack vital organs. As a result, patients feel shortness of breath and paralyzed in the entire body.

8. Cytomegalovirus (CMV)
There are preceded tingling severe flu. Tingling will start from the fingertips intensified, and spread quickly to the navel. Patients could only feel numb or until hard running, meaning inflammation of the spinal cord taxable. This is due to virus attack, usually cytomegalovirus.