Purple Rash

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Yukiko Ueda

Yukiko Ueda, MD (Dermatology)

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People with these symptoms also use Ubie's symptom checker to find possible causes

  • There are purple bumps on the skin

  • Small purple spots on the skin after the stomach ache started

  • Raised red dots on the skin where was bleeding underneath

  • There is a small purple patch below the knee

  • Red dots of blood on the skin

  • Purple spots on the fingers

  • Violaceous / purpuric rash

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Content updated on Sep 6, 2022

About the symptom

It is purplish-red rash just beneath the skin's surface and may appear dark brown or black on darker skin tones.

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Purple rash

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.

  • Bruise

    This is a purple discoloration of the skin as a result of bleeding from broken blood vessels located just under the skin surface. This occurs usually after direct trauma to the affected area.

  • 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.

  • Cushing syndrome
  • Hypergammaglobulinemic purpura
  • von Willebrand disease (vWD)
  • Alcoholic liver disease
  • Purpura simplex
  • Immune thrombocytopenic purpura

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.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have purple spots on your skin?

  • Do you have itchy skin?

  • Do you have any pain or tingling in the affected areas of the skin?

  • Do you have skin redness?

  • Do you have a fever?

Other Related Symptoms

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Reviewed By:

Yukiko Ueda

Yukiko Ueda, MD (Dermatology)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

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