The bruises also known as bruises are caused when small blood vessels break, most often caused by blows or falls. Blood leaks into the tissues under the skin and causes the black and blue color that simply disappears within 2 to 4 weeks, as the days go by, the stain can change color, turning purple, reddish blue or yellowish green, and can be of various sizes. from small to large irregular patches.
Purple spots are usually benign, but they can indicate a more serious medical condition, such as a blood clotting disorder. Sometimes low platelet levels can cause excessive bruising and bleeding. Low platelet levels can be hereditary, but it can also be caused by thousands of recent circumstances. See below:
- Bone marrow transplants
- cell transplants
- HIV infections
- hormone replacement
- estrogen therapies
- Use of certain medications
What causes purple?
First of all you need to know that there are two types of purple:
- Non-thrombocytopenic > This is when you have normal levels of platelets in your blood.
- Thrombocytopenia > Which occurs when your platelet count is lower than normal.
What can cause nonthrombocytopenic purpura:
- Disorders that affect blood clotting
- Certain congenital disorders
- Use of medications, including steroids and those that affect platelet function
- weak blood vessels
- Inflammation in blood vessels
- lack of vitamin C
What can cause thrombocytopenic purpura:
- Medications that prevent platelet formation
- recent blood transfusions
- Infection in the blood stream
- HIV infection or Hepatitis C, or any viral infection
- Fever that occurs due to tick bites
Your doctor will examine your skin to diagnose purpura. He may ask about your family and personal health history, such as when the spots first appeared and how often they appear and disappear. Your doctor may also perform a skin biopsy, in addition to blood tests and platelet counts. Based on the results, he will evaluate your case and indicate the best treatment method.