The side effects of nitrazepam tablets are as follows: first, gastrointestinal reactions, especially when the drug is taken in large quantities for a long time is likely to cause chronic gastric ulcers, including superficial gastritis, erosive gastritis, etc.. If the situation is more serious, it may also cause colitis, small intestinal inflammation, etc. This is because the metabolic waste of the drug stays in the gastrointestinal tract for a longer period of time, thus causing serious damage to the gastric mucosa and intestinal mucosa; second, the side effects of the central nervous system, taking the drug can lead to excitement or mental disorders, and may also cause depression, anxiety or insomnia in patients, which is related to the drug’s excessive stimulation of the central nervous system. Third, if the drug is taken by minors, it can cause delayed development or stunted growth of minors.