Drinking protein powder with diarrhea may not have better results. Drinking protein powder after diarrhea symptoms have occurred, may affect the digestion and absorption of protein powder, so basically no better results. Drinking protein powder diarrhea may be related to the quality of protein powder, if you buy a poor quality product may not meet the hygiene conditions, so there will be diarrhea symptoms, but also may be a protein powder intolerance. If there is diarrhea, it is recommended to actively seek medical examination, you can use montelukast, rehydration salts and other drugs under the guidance of the doctor. Usually also need to maintain good habits, light diet, to avoid the worsening of diarrhea symptoms.