Getting particular drugs that treat allergies or colds as well as diazepam can raise your threat for drowsiness or sleepiness. It could also induce your breathing to slow down or end. These drugs contain:Diazepam is N-demethylated by CYP3A4 and 2C19 towards the Lively metabolite N-desmethyldiazepam, and is particularly hydroxylated by CYP3A4 into t