Related by context. Frequent words. (Click for all words.) 60 stimulant 54 sedative 54 anti depressant 53 GHB 53 Xanax 51 muscle relaxant 51 stimulants 50 benzodiazepine 50 Melatonin 49 morphine 48 laxative 48 caffeine 48 ketamine 48 cannabinoids 48 Caffeine 47 antihistamine 47 opiate 47 Valium 47 serotonin 46 GABA 46 appetite suppressant 46 anti depressants 46 norepinephrine 46 antidepressant 46 dopamine 45 decongestants 45 THC 45 benzodiazepines 45 Serotonin 45 Oxycodone 45 Adderall 45 endorphin 45 sleeping pill 44 narcotic 44 Ketamine 44 substances 44 drowsiness 44 neurotransmitters 44 opiates 44 diuretic 44 neurotransmitter 44 analgesic 44 decongestant 44 endorphins 44 active ingredient 44 hallucinogen 44 prescription painkiller 44 Benadryl 44 codeine 44 paracetamol 44 hallucinate 43 barbiturates 43 Acetaminophen 43 sedatives 43 Antidepressants 43 grapefruit juice 43 ephedrine 43 histamine 43 hydrocodone 43 intoxication 43 diazepam 43 adenosine 43 pills 43 Morphine 43 Methadone 42 Alcohol 42 intoxicant 42 cough syrup 42 methadone 42 painkillers 42 Provigil 42 amphetamine 42 opioid 42 LSD 42 Ecstasy 42 Medications 42 sleepiness 42 acetylcholine 42 melatonin 42 painkiller 42 opioids 42 bath salts 42 inhalants 42 alprazolam 41 stress hormones 41 ascorbic acid 41 hallucinogenic 41 barbiturate 41 Depakote 41 oxycodone 41 cortisol 41 glutathione 41 sedating 41 naltrexone 41 ethylene glycol 41 Prozac 41 Hydrocodone 41 antifreeze 41 antidepressants 41 fentanyl 41 medications