heyy this aint myy account but whatever?!

hello. i am only 13 and i have this skin condition. i need help because when i shave my legs i get these red bumps. i always thought that they were zits but every time i popped them only puss came out. its been making me very angry and i need a cure now. i do my shaving on my legs like any other person. i here all these ways to take itt of but which one will really work for me. i dont have skin that can easily turn red. please help me anyone its kinda hard for me to go to the beach because many people stare at me. please remember i also need something affordable. PLEASE ive been having this for many years i need your help.. :)