vasoconstrictors.

Antibiotics, analgesics and local anaesthesia are the frequently used drugs during the treatment of dental diseases. These drugs can interact to different drug classes used in different systemic conditions. Some of these interactions are adverse and life threatening to the patients. The dental practitioner should have thorough knowledge about these interactions and methods to prevent and treat the adverse effects. This article will discuss the common possible drug interactions and their adverse effects in clinical dental practice.