The question "What drug is bus?" appears to be a typo or a shortened version of a drug name. Based on common misspellings and the provided reference, it's likely the question refers to buspirone.
Buspirone is a medication primarily used for treating anxiety.
Buspirone: An Anxiolytic Medication
Buspirone is classified as an anxiolytic, meaning it helps to reduce anxiety symptoms. According to the reference:
- Buspirone is used to treat anxiety disorders or in the short-term treatment of symptoms of anxiety.
- Buspirone is in a class of medications called anxiolytics (Source: 15-Apr-2019 reference).
Therefore, if "bus" is intended to mean a medication, it is most likely referring to buspirone, an anti-anxiety medication.