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Allodynia is a condition in which pain is caused by a stimulus that does not normally elicit pain. [1] For example, sunburn can cause temporary allodynia, so that usually painless stimuli, such as wearing clothing or running cold or warm water over it, can be very painful.
Lhermitte's sign (as if an electrical sensation shoots down back & into arms) loss of consciousness. Syncope (medicine) (R55) neck stiffness; opisthotonus; paralysis and paresis; paresthesia (R20.2) prosopagnosia; somnolence (R40.0) Obstetric / Gynaecological. abnormal vaginal bleeding. vaginal bleeding in early pregnancy / miscarriage; vaginal ...
In nociception, intense chemical (e.g., capsaicin present in chili pepper or cayenne pepper), mechanical (e.g., cutting, crushing), or thermal (heat and cold) stimulation of sensory neurons called nociceptors produces a signal that travels along a chain of nerve fibers via the spinal cord to the brain. [1]
5) You have a vitamin B12 deficiency. A long-term vitamin B12 deficiency can cause nerve damage, which might lead to numbness and tingling in the feet. “It’s interpreted as a cold sensation ...
"The cold temperature causes your blood vessels to constrict, slowing down blood flow and heart rate temporarily while increasing your breathing rate. This is termed a 'cold shock response.'"
Cold sensitivity or cold intolerance is unusual discomfort felt by some people when in a cool environment. [ 1 ] Cold sensitivity may be a symptom of hypothyroidism , anemia , low body weight, iron deficiency , vitamin B 12 deficiency , fevers , fibromyalgia or vasoconstriction . [ 2 ]
This is a list of most-visited websites worldwide as of November 2024, along with their change in ranking compared to the previous month. List This is a dynamic list and may never be able to satisfy particular standards for completeness.
Cold-sensitive thermoreceptors give rise to the sensations of cooling, cold and freshness. In the cornea cold receptors are thought to respond with an increase in firing rate to cooling produced by evaporation of lacrimal fluid 'tears' and thereby to elicit a blink reflex [citation needed]. Other thermoreceptors will react to opposite triggers ...