PSORIASIS: SIGNS AND SYMPTOMSPsoriatic lesions are biologically different from the classic dry skin , also known as xerosis , and are classified as eritroescamosas, which means involving both blood vessels and the deeper epidermal skin layers. Deficiencies of cell regeneration are the cause of calls plates. These shortcomings are due to many factors:
Psoriasis is a chronic skin disease characterized by defined "plates", pink or gray.
Inflammatory reactions in the deeper dermis and the top layer of the epidermis
High turnover rate of keratinocytes (the predominant cell type in the epidermis)
Shortened cycle skin cell growth
Desquamation process disturbance (peeling refers to the natural process by which the outermost layer of the skin peels off).
Types of psoriasisPlaque psoriasis
CAUSE OF PSORIASISPsoriasis can be transmitted from parents to children.
Woman in thoughtful pose, hands in front of his face.
Avoid stress, because it can trigger symptoms.
In studies indicated that most cases of psoriasis can be inherited, because the incidence of psoriasis in affected families. It is believed that psoriasis may be linked to certain inherited genes; however, the exact mechanism underlying is not yet known for sure.
In the development of psoriasis symptoms often they participate infections. The bacteria, especially streptococci, are the pathogens most commonly involved and linked to guttate psoriasis. Although not a direct cause of psoriasis, the human immunodeficiency virus (HIV) is known to increase the likelihood of developing a more severe psoriasis if the person already suffer from psoriasis.
Psychological stress can worsen the process and, in some cases, may be enough to trigger it.
Some drugs, especially lithium, antimalarials and beta-blockers have a negative effect on psoriasis.
It is likely that the abrupt discontinuation of treatment with potent topical corticosteroids and oral symptoms cause "rebound", which can be serious and even lead to erythrodermic or generalized pustular psoriasis.
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