Anal Itching (Pruritus Ani): Test and Diagnosis

2nd order laboratory parameters – depending on the results of the history, physical examination and obligatory laboratory parameters – for differential diagnostic clarification.

• Skin swab
• Small blood count
• Inflammatory parameter – CRP (C-reactive protein)
• Fasting glucose (fasting blood glucose), if necessary oral glucose tolerance test (oGTT).
• Examination for parasites and worm eggs
• PSA (prostate specific antigen)