How to tell that i have testicular torsion?

Severe testis pain,: Scrotum will be swollen that side, very tender, testis lies higher in scrotum than normal, can also have low abdominal pain & throw up. Acute severe testicular pain is torsion until proven otherwise. An emergency as delay in treatment can result in loss of testicle.

None....: Very rarely and unlikely a male affected by testicular torsion will know he gets it. But professional alert to analyze hx detailing the features of onset, degree, duration, and interval of testicular pain is the surest way to make an accurate DX of testicular torsion, after supplementing clinical suspicion with ua, physicals, and us as needed.