Related by context. Frequent words. (Click for all words.) 56 substances 52 harmful microorganisms 49 toxicants 48 unprescribed 48 controlled substances 48 misbranded drugs 48 psychoactive substances 48 substance 47 transdermal patches 46 Mifepristone 46 narcotic substances 46 steroid precursors 46 chemicals 46 benzocaine 45 Bayer HealthCare aim 45 synthetic cannabinoids 45 noxious substances 45 toxic byproducts 45 synthetic cannabinoid 45 liquid silicone 45 potassium permanganate 45 harmful substances 45 enzyme inhibitors 45 drugs 44 infectious organisms 44 bodily fluid 44 synthetic narcotic 44 petroleum distillates 44 suboxone 44 pathogenic organisms 44 toxic solvents 43 meth precursors 43 microcapsules 43 adulterants 43 naturally occurring substances 43 isopropyl alcohol 43 snake venom 43 artificial flavoring 43 pseudophedrine 43 sodium pentobarbital 43 activated charcoal 43 nasal decongestants 43 intoxicating substance 43 injected intravenously 43 containing ephedrine 42 sodium nitrate 42 naturally occurring compounds 42 abortifacients 42 contaminated needles 42 pathogenic microorganisms 42 engineered nanoparticles 42 noxious substance 42 Cannabinoids 42 painkiller fentanyl 42 harmful chemicals 42 body metabolizes 42 pseudo ephedrine 42 harmful pathogens 42 toxicant 42 MDMA ecstasy 42 hypodermic needles 42 poisonous substances 42 intoxicating substances 42 phthalates chemicals 42 harmful contaminants 42 illicit substances 41 Controlled Substances 41 potentially harmful 41 ingestible 41 heroin morphine 41 peroxides 41 aromatic compounds 41 ethyl alcohol 41 benzoic acid 41 fentanyl patch 41 toxic substances 41 noxious chemicals 41 elemental mercury 41 chemical compounds 41 Carisoprodol 41 metal ions 41 pseudoephedrine tablets 41 residues 41 bile acids 41 airborne pathogens 41 excipients 41 Misoprostol 41 fracturing fluids 41 impurities 41 alkaloids 41 phenylpropanolamine 41 H# 40 needles syringes 40 ephedrine 40 Zanamivir 40 harmful toxins 40 stimulants 40 inert ingredients 40 addictive substances 40 salicylates 40 medicament