Petechiae Rash
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Raised, reddish-purple rash
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Content updated on Sep 6, 2022
About the symptom
Skin petechiae are pinpoint, round spots that appear on the skin as a result of bleeding.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Dark purple rash on lower limbs
Recent weight loss
Difficulty breathing / breathlessness
Violaceous / purpuric rash
Easy bruising
Swelling of the affected area
Vomiting of blood
Melena (black stools)
Gross hematuria
Possible causes
- Purpura pigmentosa
Purpura Pigmentosa Progressiva is also known as Progressive Pigmentary Dermatitis or Schamberg's Disease. It is a chronic skin condition causing discoloration of the dermis of the trunk, upper and lowerlimbs. The exact cause is unknown but it is caused by inflammition of tiny blood vessels called capilaries.
- Cushing syndrome
This condition is caused by excessive amounts of a hormone called cortisol. This may be caused consumption of some steroid medications or the body itself may produce too much cortisol.
- Hemophilia
An inherited bleeding disorder in which blood is unable to clot properly due to a reduced number of blood-clotting proteins (clotting factors), resulting in bleeding for longer than usual and even from slight injuries.
- von Willebrand disease (vWD)
- Sjogren syndrome
- Immune thrombocytopenic purpura
- IgA Vasculitis (Henoch-Schonlein Purpura)
- Vasculitis syndrome (including cryoglobulinemia)
Related serious diseases
- Leukemia
Leukemia is a cancer of the body's blood cell-forming tissues. Blood cells circulate in our bloodstream and are created and matured in the bone marrow and the lymphatic system. Leukemia involves white blood cells and lymphatic cells and is of several types. The cancerous cells are produced in excess and do not function normally. Leukemias can be aggressive and cause symptoms or chronic and smolder for years.
- Splenic infarction
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Do you have small red dots which look like bleeding under the skin?
Do you have dots on your fingers caused by bleeding under the skin?
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Developed by doctors.
Ubie is supervised by 50+ medical experts worldwide
Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan