All bite guides

Is a lone star tick bite dangerous?

Adult female lone star ticks have a single white spot on the back. Common in the South and East, they can cause ehrlichiosis and are linked to alpha-gal syndrome, a red meat allergy.

AI-generated field guide image of a lone star tick
AI-generated visual reference, not a real patient photo.

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What it looks like

  • Red, itchy bump at the bite
  • Sometimes a round rash similar to a Lyme rash

What to do

  • Remove the tick promptly with tweezers
  • Clean the bite and note the date

See a doctor if you notice

  • Fever, headache, or fatigue within two weeks
  • Hives or stomach upset hours after eating red meat

Trouble breathing, face or throat swelling: call 911 now.

Other bite guides

Educational information only, not a diagnosis. BiteID is in alpha testing.