My leg has been hurting now and I havent been able to run (a good 20+ minute run) in a coupel of days the last time I ran was this week's monday, everytime I run for more than 5 minutes everytime my foot hits the ground the whole lower part of my leg just hurts, I think this is the result of running when my leg was bothering me my question is do I just give it time or go to the doctor?