The OTEZLA® international website
This site is intended for healthcare professionals outside the U.S.
The OTEZLA® international website
This site is intended for healthcare professionals outside the U.S.
Psoriasis is a systemic inflammatory disease
About Psoriasis
Inflammation is a tightly regulated, naturally occurring part of the body’s protective response to injury or infection, intended to prevent damage to surrounding tissue. In response to inflammation, several mechanisms work to regulate this immune response. Thus, these regulatory mechanisms help to establish immune homeostasis.1
The most common form of psoriasis, plaque psoriasis, manifests as well-demarcated, raised, scaly, erythematous skin lesions. These lesions can appear anywhere on the body but are most commonly found on the scalp, elbows, nails, lower back, and knees.2,3
Psoriasis plaque formation is thought to be caused by dysregulated immune activity within the skin. This dysregulation can lead to an imbalance and overproduction of pro-inflammatory cytokines such as TNF-α, IL-23, IL-17, and IFN-γ in immune cells.2,4,5
These cytokines promote chronic inflammation of the epidermis and induce keratinocyte hyperproliferation. These changes result in redness, itching, epidermal thickening, and scaly plaques.3-10
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