Tools
BiteSight Tools
Free checkers and lookups — nothing saved, runs in your browser only. When you need a definitive answer, confirm with a photo in BiteSight. Or browse symptoms by what you see.
Checkers
2 minFlagship
Symptom Checker
Flagship checker for “what bit me” — location, pattern, sensation, and timeline.
Open tool →2 min
Bite or Rash Screener
Rule out rashes and allergic reactions before narrowing to a bite.
Open tool →1 min
Should I See a Doctor?
Swelling, spreading redness, fever, and breathing symptoms — gentle triage guidance.
Open tool →Lookups
1 min
Regional Bug Activity
Instant lookup — what bugs are biting in your state this season.
Open tool →1 min
Repellent Ingredient Checker
What does this repellent ingredient protect against? Skin vs clothing, duration, notes.
Open tool →1 min
Sting Pain Scale
How bad does it hurt? Compare stings on a known pain scale.
Open tool →