Cold sensitivity

Cold sensitivity or cold intolerance is unusual discomfort felt by some people when in a cool environment.^[1]

Cold sensitivity
Symptoms	weakness, feeling extremely cold, cold hands and feet, shakiness
Differential diagnosis	hypothyroidism, anemia, fibromyalgia or vasoconstriction

Cold sensitivity may be a symptom of hypothyroidism, anemia, low body weight, iron deficiency, vitamin B₁₂ deficiency, fevers, fibromyalgia or vasoconstriction.^[2] There may also be differences in people in the expression of uncoupling proteins, thus affecting their amount of thermogenesis. Psychology may also play a factor in perceived temperature.^[3]

Possible causes include Non-freezing cold injury.^[4]