Causes of Psoriasis.. Trauma and injuries. Infections. Streptococcal infections in the pharynx. Sun rays. Stress and emotional and psychological tensions. Hypocalcemia



the reasons:
Unknown cause: Psoriasis may be genetically predisposed as an autosomal dominant and may be observed frequently in some families. There is evidence that single-parent hereditary genetics is inherited with incomplete abnormalities.
In traditional psoriasis psoriasis is the ring of keratin, where keratinocytes mature more rapidly and reach the surface of the skin in a shorter time than normal.
Predictors:
- Trauma and injuries:
Psoriasis In a rumen site known as the Kubner phenomenon, a broad spectrum of locally-based pathogens, including physical, chemical, electrical, surgical, intestinal and inflammatory, has been shown to induce psoriasis or exacerbate previous lesions.
- Infections:
Streptococcal infections, especially in the pharynx, have a role in causing acute psoriasis. This explains the improvement of psoriatic lesions after taking antibiotics to treat tonsillitis and sore throat.
Endocrine gland factors:
- Reproduction of the disease and its occurrence in adulthood and menopause may explain the role of hormones ..
Pustular psoriasis may be caused by pregnancy, menstruation and high doses of estrogen.
Sun rays:
Although sunlight is generally beneficial, only a small percentage of psoriasis cases are raised by strong flare during summer in sun-exposed areas.
Metabolic factors:
Hypocalcemia (eg, after removal of the abnormal thyroid arteries) may cause psoriasis.
Psychological factors:
Stress and emotional and psychological tensions may have a role in exacerbating psoriasis.