It is an auto-immune disorder in which body’s defense system attacks healthy cells in the body. The dead cells on the skin surface are called plaque. It typically starts or worsens because of a triggering factors you may be able to identify and avoid. Factors that can trigger are stress, cold weather, smoking, and infection such as strep throat or thrush, injury to the skin such as cut, bug bite or severe sun burn, heavy alcohol consumption and certain medications
A person with psoriasis generally has patches of raised red skin with thick silvery scales. There is no permanent cure but can be controlled beautifully.
These occur anywhere on the body and are more common in the following areas:
Hands
Elbows
Legs
Back
Chest
Fingernails
Toenails
Scalp
Folds in the buttocks and groin
The person’s immune system and genes play key roles when a person has psoriasis, the T cells (a type of white blood cell that fights unwanted invaders such as bacteria and viruses) mistakenly trigger a reaction in the skin cells.
Not everyone who inherits genes will get this disease. It seems that a person must inherit the right mix of genes and be exposed to a trigger.
Typically it looks like red or pink areas of thickened, raised, and dry skin. A person with generally has patches of raised red skin with thick silvery scales.
It classically affects areas over the elbows, knees and scalp.
It tends to be more common in areas of trauma, repeat rubbing, use or abrasions. It has many different appearances.
Topical creams can be applied and or Phototherapy (light, usually ultraviolet, applied to the skin) can also be used.
Topical (applied to the skin) - Topical medications include topical corticosteroids, vitamin D analogue creams, topical immunomodulators, coal tar, anthralin and others.
Excimer Laser/Light (308nm) - It’s a valid and reliable treatment, giving desirable results in shorter treatment times, both in duration and number of sessions.
Severe psoriasisSystemic (taken orally or by injection or infusion) - In a severe condition than a dermatologists may prescribe oral or injected drugs. Retinoids- Related to vitamin A, this group of drugs may reduce the production of skin cells if you have severe that doesn’t respond to other therapies.