Psoriasis is a fairly common skin disease. People with psoriasis often experience itching, burning pain, discomfort, redness, and peeling skin. If psoriasis recurs many times, it can cause skin infections, arthritis, pustular psoriasis, erythema all over the body,...

Immune thrombocytopenic purpura is an autoimmune disease that occurs when some cells of the immune system produce antibodies against platelets. When the body is invaded by a virus..., white blood cells will create antibodies to fight against foreign objects; causing platelets to be destroyed, making the patient's body prone to bleeding even with the slightest impact.

Connective tissue diseases are disorders that involve protein-rich tissues. Examples include fat, bone, and cartilage. These disorders often involve joints, muscles, and skin. There are more than 200 different disorders that can affect connective tissue. The specific causes and symptoms vary depending on the disorder.