is diazepam a controlled drug
Sources: Diazepam is a Schedule IV controlled substance and is available by prescription in tablet, gel and injectable form. ValiumÂ® tablets are white (2 mg), yellow (5 mg) or blue (10 mg) round tabs with a cut out âVâ design.ValiumÂ® Injectable is available in 5 mg/mL strength liquid.he half-life of diazepam is 43Â±13 hours, but ranges from 40-100 hours if the contribution from active metabolites is included. Diazepam is metabolized to nordiazepam which is an active metabolite with a half-life of 40-99 hours.