It is important to check the complete history of the patient or about any previous peins infection or injuries (if he has any). It is also suggested to mention the impact of any symptoms on sexual activity.
A physical examination is essential that includes looking at the penis and foreskin. The doctor may order urine tests to check for urine infections or take a swab from the foreskin area to check for bacteria.
Phimosis might be a risk factor for type 2 diabetes. Therefore, adults with a tight foreskin are asked to get blood and urine tests for safety purpose.