What causes solar purpura?
What Causes Solar Purpura? Skin damage caused by years of sun exposure can lead to solar purpura. Ultraviolet light (UV) can damage the skin’s connective tissue making the skin thin and less elastic. When this happens, small blood vessels under the skin easily tear causing areas of bruising.
Which is the cause of senile purpura lesions?
Senile purpura causes ecchymoses and results from increased vessel fragility due to connective tissue damage to the dermis caused by chronic sun exposure, aging, and drugs. (See also Overview of Vascular Bleeding Disorders.)
What is purpura pathology?
Purpura (/ˈpɜːrpjʊərə/) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes.
What is solar purpura?
Solar purpura (say “PURR-pyuh-ruh” or “PURR-puh-ruh”) is a condition that causes one or more flat, purple bruises. It often occurs on the hands, forearms, and legs. Purpura is common in older people. It is called solar purpura because it occurs most often on areas that are exposed to the sun.
How long does solar purpura last?
How long does solar purpura last? Typically, solar purpura lasts 1 to 3 weeks. However, a slight, brown discoloration of the skin or scarring may remain after the initial solar purpura bruise goes away.
What purpura looks like?
Purpura is characterized by small purple spots on the skin, typically 4-10 millimeters in diameter. Some people develop larger patches of 1 centimeter or greater. These are called ecchymoses. Sometimes the spots can appear on mucous membranes, for instance, inside the mouth.
What are the signs and symptoms of solar purpura?
The main sign of solar purpura is the appearance of purple or red skin patches. The following are some of the common features of the skin patches in solar purpura: Bleeding from blood vessels lying in the dermis causes the appearance of dark patches on the overlying skin.
Who is most at risk for solar purpura?
Solar purpura is most commonly seen in the elderly. The blood vessels in the elderly are more susceptible to bleeding due to age-related changes as well as damage caused by long term exposure to the sun. Even a slight injury to the skin is capable of causing bleeding.
Are there any natural treatments for solar purpura?
The skin condition that is characteristic of solar purpura usually resolves on its own without any treatment. Skin creams containing vitamin K may help in treating the skin patches caused by solar purpura. Also, tretinoin can reverse the skin damage caused by exposure to sunlight.
Why do old people get solar purpura skin?
An old person will have a weak immune system and the skin and the blood vessels become very fragile due to age related changes. This in combination with excessive sun exposure leads to Solar Purpura. There are certain medications, such as Aspirin, that can worsen the skin condition caused by solar purpura.