AskFirst (formerly Ask NHS)

AskFirst is a trusted AI symptom checker powered by clinically validated medical intelligence. It helps you assess symptoms through a natural, conversational experience, offers insight into the urgency of your condition, and provides clear guidance on next steps.

AskFirst is a symptom checker and guidance tool only and does not replace professional medical advice. If you are experiencing a medical emergency, call 911 immediately. Common scenarios include abdominal pain, back pain, cough, fever, chest pain, dizziness, headache, pregnancy-related vomiting, rash, sore throat, urinary symptoms, or general medical questions like 'Should I go in for this or not?'