Causes of Rash

There are many causes of rash. So many that it’s hard to list them all!

Simple Causes: There are many simple causes of a rash.

Contagious Infection Causes: There are many different infections that can lead to a rash.

Pustular Rash: Some of the causes of a Pustular Rash include:

Butterfly Rash: Causes of a “Butterfly Rash” across nose and cheeks:

  • Lupus (SLE)
  • Rosacea
  • Discoid Lupus Erythematosus
  • Seborrheic dermatitis
  • Polymorphous light eruption
  • Erysipelas
  • Erythema Infectiosum
  • Parvovirus (slap-cheek syndrome; fifth disease)
  • Drug reaction.
  • Photosensitizing drugs

Hemorrhagic Rash: Some of the infectious causes of a Hemorrhagic Rash:

Purpura Causes: Non-Infectious causes of purpura (petechiae, ecchymoses, hematoma, hemorrhagic rash):

Purple Striae: Causes of Purple Streak-like Marks (Purple Striae):

Causes of Redness: A red skin rash, without any obvious skin changes to its texture, could be caused by:

Read more about: skin redness.

Infections. A localized infection can cause a skin rash or a rash-like appearance. Less commonly, a systemic infection can cause rash, and is often very serious in this case.

Chronic Rash Conditions: various chronic skin diseases can result in regular rashes, or reoccurring rashes:

Serious Disease Causes: What if it’s not just a skin condition, but a symptom of something more serious. Some of the major chronic diseases where a rash is one of the early symptoms include:

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.