What does diarrhea plus constipation plus diaper rash equal? Diaper Drama. Serious diaper drama. Today, Parents Ask experts Dr. Bob Sears, Dr. Scott Cohen, and Dr. Cara Natterson discuss this issue. Dr. Sears shares the main causes and cures of diarrhea, while Dr. Cohen has some information you might not know about constipation. Dr. Natterson offers three guaranteed remedies for diaper rash. This is one you won't want to miss! Check it out!