I went to slap my fiance's hand, and accidently hit his right testicle. He is now experiencing pain, and a shooting pain up his

If the hit is a minor testicular injury, the pain should gradually subside and any other symptoms should go away. In the meantime, he can do a few things to help himself feel better such as take pain relievers, lie down, gently support the testicles with supportive underwear, and apply ice packs to the area. At any rate, it's a good idea to avoid strenuous activity for a while and take it easy for a few days.

However, if the pain doesn't subside or he experiences extreme testicle pain that lasts long, if he has swelling or bruising of the scrotum; if he has nausea and vomiting; or if he develops a fever, pain into his body, he should get to a doctor. These are symptoms of a much more serious injury that needs to be addressed as soon as possible.