<s>[INST] I ejaculate a lot / jerking off then I started to have testicle pain so then went to the hospital and they said I have epididymits inflammation so they gave me antibiotics then the pain went way to 1 week later i ejaculated then I saw a small ball appear on my R Testilce it was hard and didn t hurt but then I went to my bed and checked again and it was kinda gone [/INST] Hello and Welcome to ‘Ask A Doctor’ service.I have reviewed your query and here is my advice.It may be a Spermatocele and is not of concern.  Avoid frequent ejaculation.Hope I have answered your query. Let me know if I can assist you further.Regards,Dr. Manuel C See IV </s>