BZD is a common abbreviation for benzodiazepines, a family of medications that are commonly used to treat anxiety, insomnia, and other conditions. However, there are many synonyms for BZD that people may use when referring to these types of drugs. Some of the most common synonyms include "benzos," "tranquilizers," "sedatives," and "hypnotics." Other terms that people may use include "anxiolytics," "muscle relaxants," and "anticonvulsants." No matter what term is used, it is important to recognize that benzodiazepines can be potent medications that should only be used under the guidance of a healthcare provider. Misuse or abuse of benzodiazepines can lead to addiction or other serious health problems.