Headache

What Is Rash?

A rash is a change in the texture or color of the skin that can be caused by allergies, infections, heat, or immune system disorders, presenting with symptoms like redness, itching, bumps, or blisters.

Common Symptoms

Appearance

Texture

Other Symptoms

  • Redness

  • Blisters

  • Scaliness

  • Dryness

  • Hives (raised, itchy welts)

  • Blotchiness

  • Smooth

  • Rough

  • Crusty

  • Weeping (oozing fluid).

  • Itching

  • Pain

  • Burning sensation

  • Swelling

  • Tenderness

  • Fever (in some cases)

Prevalence and Age Distribution

  • In 2018, the age-adjusted prevalence of migraine and severe headache in the US was 15.9% across all adults.

  • Women are twice as likely to be affected by migraine as men, with 21% of women and 10.7% of men affected in 2018.

  • Migraine most commonly affects people aged 35 to 45 but can impact younger individuals.