The pain can be attributed to prostate infection
which can be manage with a course of anti biotics.
The tingling sensation
is attributed to peripheral neuropathy
secondary to Diabetes, known as Diabetic neuropathy
It can be taken care of by controlling the blood sugar levels.
Symptomatic relief can be obtained with intake of nervigenic agents like Vit B12, B6 & Folic acid.
Wishing you a good health.