Send us Fan Mail (https://www.buzzsprout.com/2239811/fan_mail/new) Peanut allergies, lactose intolerance… they sound similar, but they’re not the same. So how can you tell the difference, and when is an EpiPen actually necessary? Pediatrician Dr. Scarlet Constant breaks it all down in a way every parent can understand. (Season 5, Episode 99)