There are many reasons for sweating at the bend of the leg, and the common reasons are physiological reasons, high local temperature, local sympathetic nerve injury and so on.
1. Physiological reasons: sweating at the bend of the leg may be due to wearing too many clothes too thick, hot weather and strenuous exercise after a large amount of sweating, which is a normal physiological response to sweating, do not need special treatment.
2 local temperature is too high: when the environment temperature is too high, and in knee flexion state, the back side of the knee joint is relatively closed, causing high temperature, resulting in increased local sweat.
3. Local sympathetic nerve injury: if only the legs sweat, the upper body does not sweat, this situation may be local sympathetic nerve injury, the sympathetic nerve innervates the sweat glands, after the damage may occur sweating.
Sweating in the crook of the leg may also be caused by other reasons, if it is purely physiological reasons, you should reduce the clothing to avoid overheating, if it is other than the need to consult a doctor in a timely manner, please ask the doctor to clarify the specific cause of the disease and then carry out the appropriate treatment.