Lidocaine spray can be used to reduce the sensitivity of the skin and mucous membranes, and is mainly used for examinations and sexual intercourse, etc. Lidocaine is a derivative of cocaine, belongs to the local anesthesia and anti-arrhythmic drugs, Lidocaine spray can be used to reduce the sensitivity of the skin and mucous membranes, can be used for examination, can reduce the pain suffered during gastroscopy and colonoscopy. It can also be used during sex to reduce the sensitivity of the glans and prolong sexual intercourse. The use of lidocaine spray may cause skin irritation such as a burning sensation as well as allergic reactions such as rashes, itching, and so on. It is contraindicated for those who are allergic to lidocaine. Consult your doctor in detail before use and use it under doctor’s advice.