How do doctors conclude they deal with porphyria? A lot of risky diseases have similar warning signs, so it is not simple to identify porphyria from the first sight. Besides, this disease happens not really often. It is not enough to claim the person suffers from this diagnosis; it is also important to define the specific type of porphyria as further treatment depends on the form of the disease and some other nuances. It is possible to discover the required information after applying various laboratory examinations. As a rule, such elements as blood, urine, and stool are studied. These factors can detect the problem at any stage. Two other good methods involve the genetic exams and professional counseling.