Often, people are in the middle of a surgical procedure that requires proper preparation; however, the reason for these precautions remains unknown to many patients. On the other hand, there is anxiety or fear, normal feelings due to the nature of the situation; entering an operating room, an unknown area, can always provoke this feeling. However, it is essential that everything be done as honestly as possible before the procedure, including their medical history. Discontinuation of medications, tobacco, and alcoholThe doctor also explained why certain medications must be discontinued or their dosages reduced before a procedure. In most cases, patients go to the operating room after a complete wash or bath with chlorhexidine, a powerful antiseptic to eliminate germs.