Date and age range defining. Generation X is the demographic cohort following the postâWorld War II baby boom, representing a generational change from the baby boomers, but there is debate over what this means because the end date of the baby boomer generation is disputed.
Causes. Psoriatic arthritis occurs when your body's immune system begins to attack healthy cells and tissue. The abnormal immune response causes inflammation in your joints as well as overproduction of skin cells.any people with psoriatic arthritis have a family history of either psoriasis or psoriatic arthritis. Researchers have discovered certain genetic markers that appear to be associated with psoriatic arthritis.
Pustular psoriasis, which causes pus-filled blisters. Attacks or flares can be caused by medications, infections, stress, or certain chemicals. Inverse psoriasis, which causes smooth, red patches in folds of skin near the genitals, under the breasts or in the armpits. Rubbing and sweating can make this type of psoriasis worse. Erythrodermic psoriasis, which causes red and scaly skin over much of your body. This can be a reaction to a bad sunburn or taking certain medications, such as corticosteroids. It can also happen if you have a different type of psoriasis that is not well controlled.