If you use lubricant only occasionally, it does not have harmful effects on the human body, but long-term use in large quantities may cause some damage to the human body. Lubricant is a water-soluble preparation, usually used in hospitals for gynecological and anal examinations and massage, to facilitate the examination, the use of the right amount of the body generally does not produce adverse effects. However, if it is often used during intercourse, there may be problems with lubricant residue, which can lead to allergies. Moreover, prolonged use of lubricants may also cause dysbiosis in women’s vagina, increasing the risk of infection and causing bacteria to travel up from the vagina to the uterine cavity, fallopian tubes and pelvic cavity, causing inflammation in the surrounding areas. If a lubricant is accidentally taken by mistake, it may cause abdominal pain, diarrhea and other uncomfortable symptoms, and may also increase the risk of peptic ulcers. When buying lubricants, you should choose goods from regular merchants, and you should not use too much, and you should clean up in time after using them. If there is trauma or infection in the area where the lubricant is used, it is not recommended to use it again. When using allergies, you should go to the hospital for desensitization treatment.