A composition for use in the detection of an intoxicating drug comprising: (i) a first compound that absorbs UV radiation and generates emitted UV radiation at a wavelength absorbable by said intoxicating drug; and (ii) a second compound that absorbs UV radiation emitted by said intoxicating drug upon absorption by said intoxicating drug of said emitted UV radiation and that emits radiation in the visible spectrum is provided. In addition, methods for detecting an intoxicating drug in a sample comprising irradiating with UV radiation a sample contacted with one or two compounds that absorb UV radiation are provided.