Side effects of Lactacystin tablets rarely cause side effects or adverse reactions if taken in the recommended dosage. Lactacystin has the effect of promoting digestion and improving intestinal immunity, and is mainly used for indigestion, enteritis and diarrhea caused when the intestinal flora is imbalanced. This drug can form a protective layer in the intestinal tract after oral administration, which can prevent the cleansing of pathogenic bacteria and viruses, stimulate the secretion of antibodies in the intestinal tract to improve the immunity of the intestine, selectively kill pathogenic bacteria in the intestinal tract, promote the growth of beneficial bacteria, mediate the electrolytes of the intestinal mucosa, make water balance, and also promote the secretion of gastric juice to enhance digestive function. However, there is one point to note, if you are allergic to milk, do not take lactobacillus tablets again.