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Possible signs and symptoms of cellulitis, which usually occur on one side of the body, include:

  • Red area of skin that tends to expand
  • Swelling
  • Tenderness
  • Pain
  • Warmth
  • Fever
  • Red spots
  • Blisters
  • Skin dimpling

When to see a doctor

It's important to identify and treat cellulitis early because the condition can spread rapidly throughout your body.

Seek emergency care if:

  • You have a red, swollen, tender rash or a rash that's changing rapidly
  • You have a fever

See your doctor, preferably that day, if:

  • You have a rash that's red, swollen, tender and warm — and it's expanding — but without fever
Feb. 11, 2015