Annals of emergency medicine
- 
    Randomized Controlled TrialTopical Lidocaine to Improve Oral Intake in Children With Painful Infectious Mouth Ulcers: A Blinded, Randomized, Placebo-Controlled Trial.We establish the efficacy of 2% viscous lidocaine in increasing oral intake in children with painful infectious mouth conditions compared with placebo. ⋯ Viscous lidocaine is not superior to a flavored gel placebo in improving oral intake in children with painful infectious mouth ulcers.