cases, precise causes of psoriasis are unknown; there are, however, factors that are sometimes suspected:
familial, nutritional, autoimmune disorder, microbiological and environmental.
Genetic predisposition – a great majority of psoriasis patients have one or more
members of their family also suffering from the disease. In addition, it is shown that there is a higher risk
among children born to parents who have psoriasis to develop the disease; nearly 30% of psoriasis patients have
a family member struggling with the disorder.
Some researchers believe that a poor digestion or unhealthy diet can play a significant role in the development
of psoriasis. Nutritional factors that can be linked to psoriasis include:
in vitamin A and zinc
digestion of proteins, which lead to formation of toxins in the body
consumption of alcohol, animal fat, dairy products and all products that can cause overload in the
disorder - It is also
believed that dysfunction of the immune system may participate in the development of psoriasis. In people with
the disease, the T lymphocyte or T cell (a white blood cell that detect and fight off pathogenic substances)
mistakenly attack healthy skin cells, leading to formation of psoriatic plaques.
Some medications such as beta-blockers, lithium, iodides and antimalarial drugs seem to
Some of factors that could trigger psoriasis symptoms
- an injury to the skin
- an immunological
reaction against another disease, like chickenpox
- systemic infection
such as pharyngitis or strep
exposure to sunlight or chemicals such as disinfectants or paint thinners.