Symptom Checker

Could it be a parasite?

Select a host and a symptom to see which parasites, bacteria, and other conditions are commonly associated. This tool is for educational purposes only — always consult a veterinarian or doctor for a proper diagnosis.

Not a diagnostic tool. Symptoms listed here are associated with multiple conditions. Only a licensed veterinarian or medical professional can diagnose your pet or yourself. If symptoms are severe or worsening, seek care immediately.

1Who is affected?

2What symptom are you seeing?

Select a host above to filter relevant symptoms, or pick any symptom to see all associated causes.

Select a host and symptom above to see results

Or browse all parasites in our database.