Depressant Index

• 3,4-Methylenedioxyamphetamine
• 3,4-Methylenedioxyethamphetamine
• 3,4-Methylenedioxymethamphetamine
• 4-hydroxybutanoic acid
• Alprazolam
• Aripiprazole
• Bromazepam
• Buprenorphine
• Bupropion
• Caffeine
• Chlordiazepoxide
• Clobazam
• Clorazepate
• Codeine
• Dextromethamphetamine
• Diazepam
• Dimethyltryptamine
• Esketamine
• Ethanol
• Etizolam
• Fluoxetine
• Hydromorphone
• Isopropanol
• L-Phenylalanine
• L-Tryptophan
• L-Tyrosine
• Levoamphetamine
• Lidocaine
• Lysergic acid diethylamide
• Melatonin
• Methadone
• Methamphetamine
• Midazolam
• Mirtazapine
• Morphine
• Oxitriptan
• Phenmetrazine
• Propofol
• Quetiapine
• Serotonin
• Sertraline
• Tianeptine
• Tramadol
• Zolpidem