There are many ways to stovepipe, and exercise to lose weight is one of them. Symptoms of leg itching during exercise are mostly caused by hair follicle occlusion and sweating, and may also be caused by cholinergic urticaria.
Guiding opinions:
Pay attention to hygiene in life, and you can use skin care products according to your skin type, and the amount of exercise will increase step by step. You can take antipruritic medicine if it itches badly.