Cigarette cigarette smoking decreases amounts of promethazine by rising metabolism. Use Warning/Monitor. Interaction primarily viewed w/chlorpromazine & thioridazine, but could come about w/other phenothiazines. promethazine improves effects of daxibotulinumtoxinA by pharmacodynamic synergism. Use Warning/Observe. Drugs with anticholinergic effects may well potentiate botulinum toxin ... https://wockusa.com/product/adderall-30mg/