Purple Rash
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Reviewed By:

Yukiko Ueda, MD

Yukiko Ueda, MD (Dermatology)

Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.

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Content updated on Jan 4, 2023

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

  • Warts

    Small skin growths caused by viral infections.

  • Urticaria

    An itchy, allergic rash with red bumps, also known as "hives". The causes are broad, ranging from foods and medications to viral infections and bee stings. In most cases, the rash disappears within 24 hours, however medical attention is needed if there is facial swelling or breathlessness.

  • Purpura pigmentosa

    Purpura Pigmentosa Progressiva, also known as Progressive Pigmentary Dermatitis or Schamberg's Disease, is a chronic skin condition that causes discoloration of the dermis on the trunk, upper, and lower limbs. The exact cause is unknown, but it is caused by inflammation of tiny blood vessels called capillaries.

  • Bruise

  • Cushing syndrome
  • Shingles
  • Hypergammaglobulinemic purpura
  • von Willebrand disease (vWD)
  • Alcoholic liver disease

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 a fever?

Other Related Symptoms

Similar symptoms or complaints

Reviewed By:

Yukiko Ueda, MD

Yukiko Ueda, MD (Dermatology)

Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.

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