Could My Past Inguinal Hernia Be Causing Left Testicle Pain, Numbness, And A Crawling, Itchy Sensation On My Scrotum?

Hi , 6 year back I suffered inguinal hernia and its cured automatically through exercise after sometimes I feel heavy pain on my left testicle then after sometime the pain gone like thus happend two times Now i feel my left testicle little down and numbness Also most of times feeling something moving like worms or lice on my scortum And itch comes without skin identification