Involuantary urine secretion

Patient: Hi doctor,I am 14 yrs old. I used to masturbate from past two years. I just stopped recently.My question is , When I sneeze or run or bend down ir even when I cough i secrete urine.I learnt that it happened because of masturbation, My sphincter muscles have got weakened.I have not consulted a doctor nor did I say to my parents.What should I do.Any medications ?

Symptoms: Coughing, movements, running