Tugging at the ear is a telltale sign that your child could have an infection. With the ear otoscope, get a gentle glimpse into your child's ear and use our quick guide to find out whether it's time to see a doctor. Disclaimer: This device should not be used as a substitute for a medical diagnosis. Only a medical professional can make a diagnosis of a medical condition. It is important that you always seek medical treatment from a qualified medical professional.