Red rashes on skin: what should you know?

Redness with itch after a new product or fabric can fit Contact Dermatitis. Small prickly bumps after sweating can fit Heat Rash. Burning after strong sun exposure may be Sunburn. Thick, scaly recurring patches can occur with Psoriasis, while central facial redness and flushing can occur with Rosacea. A hot, tender, expanding area with swelling or fever may indicate Cellulitis and needs prompt medical attention. Note whether the rash is flat, raised, scaly, blistered, painful, or draining.

Gently cleanse with lukewarm water, pat dry, and pause any newly introduced product. Keep the area cool, protect sun-exposed skin, and avoid scratching, scrubbing, or applying several active treatments at once. Photograph the rash in good light and record when it began, where it started, how it changed, and any recent medicine, illness, heat, travel, or exposure. A clinician can match treatment to the cause; IPL Photofacial is an elective treatment that should be discussed only after an appropriate diagnosis.

Seek urgent care for breathing difficulty, facial swelling, faintness, a rapidly spreading rash, purple or dusky areas, widespread blistering, or skin pain out of proportion to its appearance. Get prompt medical review for warmth, swelling, pus, fever, or red streaking. Arrange an appointment for persistent, recurrent, unexplained, or worsening redness, especially when it affects the eyes or mouth.

Ask which features identify the likely cause; whether this could be Cellulitis, Contact Dermatitis, Heat Rash, Psoriasis, Rosacea, or Sunburn; what products to avoid; and whether any cosmetic treatment should wait until the skin is settled.