not to long ago i had a stomach virus and from about 6 o'clock until 2o'clock i was throwing up every thirty minutes. and i was throwing up pretty hard too. i even remeber feeling a sort of tingling feeling on the back of my testicles. could this be strained testicles? there is no swelling, bruising, discoloration of any sort, lumps, pain urinating, and etc. the pain can range from like a mild aching on the back of my testicles to just the left one, sometimes it will hurt on the left side of my upper pubic area and sometimes down the left side of my penis. its fine when im resting but the pain occurs when i start physical activity again. how i found out in the first place was i went skating the day after my stomach virus and felt the pain in my testicles. the pain isnt severe enough to make me wince or anything like that its just kind of a nuisance more or less. and if it sounds like strained testicles then how long do they usually take to heal? i did not do any physical activity after the first day they started hurting. i woke up felt fine gave it the rest of the day and then the next day started trying to skate and it started hurting. now i've been holding off for about a week but im pretty sure they'll start hurting again if i start back trying to do anthing like that.