A homocysteine blood test is done to: 1  Help identify vitamin B12 deficiency or folic acid deficiency. 2  Help identify a rare inherited disease (homocystinuria) that causes a deficiency of one of several enzymes needed to convert food to energy.  Help determine a cause for otherwise unexplained blood clots.
Category : Causes of Bed Sores. Common Causes of Bed Sores. Bedsores are damaged skin caused by a lack of proper blood flow to the skin because of pressure. The bedsore can occur in individuals at any age when bedridden, in a chair or wheelchair without the ability to reposition themselves.
Cold sores, also referred to as fever blisters, are caused by two strains of the herpes simplex virus, HSV-1 and HSV-2. Both types cause an infection that results in painful blisters.The wounds typically show up on the rim of your mouth or on your lip, cheeks, fingers and nose but are not restricted to these areas.