Lexapro is an anti-depressant and anti-anxiety medicine. Its generic drug is Escitalopram. This goes under the class of drugs known as Selective serotonin reuptake inhibitors. In 2002, It was allowed for medicinal use in the USA. This drug was first introduced in 1980. This is not a controlled substance. It is not addictive and can’t be abused. It’s safe to use for a long period.