I feel irritation in left testis now irritation in testis and move to left side of lower back?

Here are some ...: A man with testicular pain needs a timely evaluation to figure out if it results from local or distant disorders.But it's not that difficult at all by diligently analyzing the onset, degree, duration, interval, evolution, progress, & resolution of the pain and its potentially related symptoms such as groin pain, lower backache, or nausea,... etc. over time + conducting proper physicals + tests...