Pruritus PDF

Itch has resisted many attempts to classify it as any one type of sensory experience. Pain and pruritus PDF have very different behavioral response patterns.

Författare: Zbigniew Zylicz.
Hautjucken ist ein häufiges Symptom von lokalen Hauterkrankungen und systemischen Erkrankungen. Ärzte und Pflegende wissen wenig über dieses Phänomen. Für Patienten ist Hautjucken mitunter ‚viel schlimmer als Schmerz‘.
Das interdisziplinäre Fachbuch klärt die pathophysiologischen Grundlagen des Pruritus und beschreibt Diagnostik und Therapie des cholestatisch, hämatologisch, neuropathisch, psychisch, urämisch und tumorbedingten sowie opiodinduzierten Pruritus. Ergänzt wird das Buch durch aktuelle Leitlinien zum chronischen Pruritus und ein praktikables Pruritusassessment.

Pain evokes a withdrawal reflex, which leads to retraction and therefore a reaction trying to protect an endangered part of the body. Itch in contrast creates a scratch reflex, which draws one to the affected skin site. Scratching has traditionally been regarded as a way to relieve oneself by reducing the annoying itch sensation. However, there are hedonic aspects of scratching, as one would find noxious scratching highly pleasurable. Events of „contagious itch“ are very common occurrences. Even a discussion on the topic of itch can give one the desire to scratch.

Itch is likely to be more than a localized phenomenon in the place we scratch. Results from a study showed that itching and scratching were induced purely by visual stimuli in a public lecture on itching. There is little detailed data on central activation for contagious itching, but it is hypothesized that a human mirror neuron system exists in which we imitate certain motor actions when we view others performing the same action. The sensation of itch can be reduced by many painful sensations. Scabies is one cause of itching.