Here is the English translation of the provided text: "Baby has had diarrhea for almost four months, what is the reason?"

Patient's question:

Before

Doctor's answer:

Medical Analysis: Hello, your child's condition is also related to mouth ulcers. It is necessary to use nystatin tablets for topical treatment in a timely manner.
Suggestions: You can also take some Lactobacillus casei, Smecta, and Xingpi Yang'er Granules. Make sure your child drinks plenty of water. Toys, bottles, and other items should be disinfected daily.