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JOURNAL ARTICLE
REVIEW
Diagnostic Procedures of Itch.
A complex and multifactorial pathogenesis of itch makes the proper diagnosis of underlying disease a difficult and challenging clinical problem. The examination of every patient with itch should be started by gathering an accurate history. During the anamnesis it is important to obtain data about the beginning of the appearance of symptoms, its location, diurnal variation, and the factors influencing itch perception. After careful anamnesis the patient should undergo a detailed physical examination, with particular attention to the skin in order to look for any signs of skin lesions. Special attention should be paid to distinguish the primary lesion from the changes resulting from scratching. In patients in whom the etiology of the itch cannot be identified on the basis of the medical examination, a panel of primary screen laboratory examination may be required, and if necessary, depending on the results of basic laboratory results and data from medical history, additional diagnostic tests should be considered. In patients in whom an organic cause of itching has not been established, itch is most likely of undetermined origin; however, psychogenic causes should also be suspected and ruled out. In conclusion, it could be stated that itch is a common symptom of many skin diseases, systemic of neurological diseases. Despite the complex etiology of the disease, an exact cause of itch should be searched for in each patient, as successful therapy is largely dependent on the determination of the cause of the itching.
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