Usually fine online

  • A localized, itchy rash without fever, such as many cases of contact dermatitis.
  • Hives that come and go without any trouble breathing or swallowing.
  • Suspected fungal infections such as ringworm.

Go in person instead

  • Trouble breathing or swallowing, or swelling of the lips, tongue or throat: call emergency services.
  • A rash with fever, blisters, peeling skin, or one that involves the eyes, mouth or genitals: get urgent care.
  • A rash that spreads quickly, is very painful, or follows a new medication.

What an online visit involves

  • Photos of the rash close-up and from further away, and of every area it affects.
  • Questions about when it started, new medicines, products, foods, plants or animals, and anyone else with it.
  • A diagnosis or a short list of possibilities, a plan, and what to do if it worsens.

Photo tips: Photograph it as soon as you notice it: rashes and hives can fade before a reply comes. More in how to take good photos.

Nolla Derm

Rashes aren't among the concerns Nolla Derm lists. Use a dermatologist-run photo service, your own doctor, or urgent care if any warning sign is present.

Services that treat it

  • DermatologistOnCall: store-and-forward (message-based) visits with board-certified dermatologists.
  • Teladoc Health dermatology: store-and-forward consults, often through an employer or health plan.
  • First Derm: anonymous store-and-forward opinions from board-certified dermatologists.

Judge any of them with the six-point checklist. The AAD recommends every platform offer an in-person option when you need one.[4]

Sources

Every numbered claim on this page points here. Providers' own pages were read in November 2026; prices and terms change, so check them again before you pay.

  1. Hives: FAQs · American Academy of Dermatology
  2. DermatologistOnCall · DermatologistOnCall
  3. Teladoc Health online dermatology · Teladoc Health
  4. AAD Teledermatology Standards · American Academy of Dermatology

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