How to deal with diarrhea in a two-month-old baby? Diarrhea is one of the most common problems for babies, but for two-month-old babies, their bodies are not fully developed yet, so they need to be treated with special care. This article will elaborate on how to deal with diarrhea in two-month-old babies from four aspects: diet, keeping dry, medication use and observation. 1. Diet changes the baby’s