Pain in the testacles, one small and other big what is the problem and solution to them?

Here are some ...: With limited information, it's hard to give right answer. But any men specially in the young - 10-25, having testicular pain with a highly variable onset - fast or slow, degree -mild to unbearable, duration - minutes to hours or days, interval - hours or days or week or months, resolution - hours, days, etc. should seek timely evaluation to rule out possible intermittent testicular torsion, ...