Top 10 most intense pain

McGill University (Canada) has established a scale of pains by cross-checking questionnaires submitted to patients. Here is the classification of the most intense pains; they are classified here from the most tolerable to the most unbearable.

10. Trigeminal neuralgia

This disease also called "painful tic" is characterized by sudden and unexpected attacks of intense pain on the half of the face between the eyelid and the upper lip which cause involuntary contractions. This is often due to a compression of part of trigeminal nerve from the back of the skull to innervate the face.

9. Migraine

Migraine attacks are due to a inflammation blood vessels from the dura mater caused by a malfunction of the central nervous system. This hereditary illness is characterized by severe pain in the half of the skull, vomiting, hypersensitivity to light…

8. Renal colic

The obstruction of a urinary excretion channel by a kidney stone causes swelling of the kidney and very intense and brutal unilateral pains which start from the lumbar and radiate towardselder. No position relieves, which makes say in medical school: " colic nephritic, frantic patient ".

7. Fibromyalgia

This disease causes diffuse pain in both the joints and muscles. Since no lesions or inflammation are detectable, doctors have taken a long time to recognize the reality of fibromyalgia yet very incapacitating. Its causes are still poorly understood.

6. Rheumatoid arthritis

The immune system of the patient attacks the membrane of the joints which, in response, inflates and manufactures enzymes inflammatory causing severe pain which is still rekindled by contact (that of a garment is enough …). Continuous inflammation eventually damages tendons, cartilages and bone …

5. Crohn's disease

This inflammation, probably autoimmune, of thedigestive tract leads to attacks of acute pain similar to an attack of appendicitis who could not be processed. The causes seem to be genetic and environmental.

4. Amputation of a finger

The finger being the most richly innervated part of the body, its amputation without anesthesia causes very intense pain. Especially since the victim often then suffers from pains known as "phantom limbs".

3. Childbirth

A first childbirth is often described as a not only painful but also very long experience (sometimes more than six hours) with pain due to sudden contractions of the uterine muscle and then by the extension of the perineum when the baby's head passes.

2. Sting Paraponera

This ant living in the Amazon delivers by its sting a neurotoxic venom extremely painful. A intense burning sensation radiates throughout the affected limb and causes involuntary muscle contractions for several hours.

1. Complex regional pain syndrome (CRPS)

This syndrome most often occurs after an injury (fracture, benign operation) that damages a nerve and cause it to malfunction. The patient then feels stinging pain with hypersensitivity,edema… A crisis can last several months and there is no treatment for CRPS …