Baby food supplement for diarrhea

Overview

My baby is small, prone to diarrhea, and dare not give medicine, what should I do?

The baby is more than five months old and has been exclusively breastfed. Recently, it has been too hot. He ate watermelon and turned on the air conditioner, which caused the baby to have diarrhea. I asked the doctor at home to make this complementary food for the baby. After eating it for two days, it was cured.
Wash the rice and dry it, clean and dry the pot, then introduce the rice into the pot and stir-fry until the rice is slightly yellow, and finally pour the rice into a flour machine and grind it into rice flour.
When eating, rinse the powder with boiling water and stir into a paste