Overview

• The illness began in her family when son Riley fell ill and then spread to husband Daryl Sabara and younger son Barry before affecting Trainor.
• On the third day of symptoms, Trainor reports a persistent burning at the tip of her tongue diagnosed as burning tongue syndrome by her dentist.
• The dentist prescribed a therapeutic mouthwash to numb the pain, but Trainor says it has not provided relief.
• The chronic oral discomfort has rendered her voice raspy, raising concerns about its effect on her singing career.
• Without antibiotics, she has adopted gluten-free, dairy-free and egg yolk-free diets and appealed to fans for insights into her condition.