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Paresthesias are usually painless and can occur anywhere on the body, but most commonly occur in the arms and legs. [1] The most familiar kind of paresthesia is the sensation known as "pins and needles" after having a limb "fall asleep". A less well-known and uncommon paresthesia is formication, the sensation of insects crawling on the skin.
Dysesthesia is distinct in that it can, but not necessarily, refer to spontaneous sensations in the absence of stimuli. In the case of an evoked dysesthetic sensation, such as by the touch of clothing, the sensation is characterized not simply by an exaggeration of the feeling, but rather by a completely inappropriate sensation such as burning.
Formication is the sensation resembling that of small insects crawling on (or under) the skin, in the absence of actual insects. It is one specific form of a set of sensations known as paresthesias, which also include the more common prickling, tingling sensation known as pins and needles. Formication is a well-documented symptom which has ...
Increasingly, however, researchers are wondering if there is a whole-body memory, that is, if different parts of our bodies can also make and store a type of memory, and if so, how these other ...
Heat syncope occurs in a warm environment when blood pressure is lowered as the body dilates (widens) arterioles (small blood vessels) in the skin to radiate heat.This condition occurs within five days of acclimatization to higher temperatures, before the blood volume expands. [3]
Inflammation is your body’s way of kicking into overdrive to solve a problem, like an infection or injury. But your body parts aren’t designed to withstand that surge of energy for long ...
Synchiria [19] is a form of dyschiria in which a stimulus applied to one side of the body is felt on both sides. Synchiria has sensory, motor, and introspective signs. The sensory component refers to a stimulus applied to the affected part evokes two simultaneous sensations which are referred to the corresponding points on both sides of the body.
Diagnosis is mainly clinical. Symptoms are burning sensation in soles, sometime ankles and legs in many patients. Tingling sensation and pin prick sensations are also common. Sweating of legs and soles is seen. In some case hypertrophy of one of the legs is seen mainly in tropical region where external temperature is also higher.