What is psoriasis?
Psoriasis is a condition in witch red colored patches of various sizes start appearing on skin which is covered with dry scales. It’s a chronic (long lasting) disease. These red patches itch excessively. Sometimes the skin at the joints may crack. It may occur in any age, but often it is found in adults between 15 to 35 years of age. The condition often runs in family, which suggests that a genetic factor may be involved in it.
Where it occurs?
Psoriasis often occurs on the elbows, knees, scalp, lower back and rarely on soles of the feet. This can also affect the fingernails and toenails and soft tissues inside the mouth.
-Skin Trauma eg.Bites, Cuts, Chemical irritation, Pressure against skin, Shaving, Tattoos, Vaccination, Burns, and Bruises etc.
-Defective immune system
Factors affecting it
There are certain factors like climate, stress, infections and injuries. Which trigger up the disease in a short period of time on the other hand there are certain factors such as sunlight that reduces the intensity of problem.
There are mainly two layers of skin:
-Epidermis (the outer layer)
-Dermis (the inner layer)
The cells of epidermis are born in dermis. The cells of epidermis shead after an interval of time which are replaced by cells from dermis.
In psoriasis, the process of production of cells increase in dermis or the number of cells exceed the normal limits .These cells accumulate and are scaled off in the form of flakes.
Psoriasis may be almost unnoticeable in its early stage, with some symptoms of itching and burning sensation at the area. Firstly small red bulb like patches start appearing on the skin which later on progresses to bigger size and become scanty.
Types of psoriasis
It’s the most common type of psoriasis which are characterized by thick and raised patches of skin, red in colour and covered with scales.
It is characterized by pus like blisters on the skin on small or large areas of the body. It occurs due to some chemicals which react or due to some stress.
It is characterized by intense redness and swelling on large parts of skin surface which pains and itch’s a lot. It occurs due to intake of some steroids.
It is characterized by small spotty lesions on the limbs, trunk and scalp. It occurs due to bacterial infection.
It is characterized by smooth red lesions in the folds of skin and it is related to increased friction and sweating.