Headache? Sore throat? Skin rash? Tufts Medicine’s Symptom Checker can help you find out what's causing your symptoms and help you get care. Just answer a few questions and we’ll help you find the care you need. The Symptom Checker is to be used for informational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. If you think you are having a medical emergency, contact your clinician or 911 immediately.