I worked outside in the cold this morning... Several layers on upper body. I went to gym on break and noticed multiple lumps in/on the veins that run the length of each bicep... noticed them prior to any exercise. Eventually, throughout the workout, they dissipated.
Hello dear, welcome to Chat Doctor.come have evaluated your query thoroughly.* This seems in relation with cold induced sensitive blisters which may be disappeared after work out. Hope this clears your query. Regards.