The main side effects of Librium, which is also known as Dapoxetine, are the possibility of syncope, headache, vertigo, and also digestive side effects such as nausea and vomiting, as well as insomnia and fatigue. Alcohol must be avoided during the use of the drug, as it may aggravate neurological and cardiovascular side effects, such as persistent syncope, which may increase the risk of accidental injury. Pre-syncope symptoms such as nausea, dizziness, lightheadedness, and blurred consciousness may occur within 3 hours of drug use. If such symptoms occur, you must lie down immediately, and it is also recommended to sit or lie down for a long time and to get up slowly.