WebMD and Mayo symptom checkers 'leading patients astray'

A study suggests patients could get into trouble if they’re seeking online help on whether to go to the doctor

Popular online symptom checkers produce a correct diagnosis only about one third of the time, an Australian study shows.

In addition, triage advice often suggests seeking medical care when it’s not needed and conversely can be potentially dangerous, such as suggesting stroke care was ‘non-urgent’.

Researchers tested the accuracy of 36 popular mobile and web-based symptom checkers, using 48 clinical scenarios that were vetted by two GPs and an ED specialist with a combined 87 years of