Frequent | Fenfluramine* | Dexfenfluramine* | Warfarin¶ | Practolol* | Propylthiouracil | Sulfasalazine | | Infrequent | Acebutolol | Clozapine | Isotretinoin | Mesalamine | Nitrofurantoin¶ | Simvastatin | Trimipramine | | Rare | Acyclovir | Bromocriptine | Crack cocaine | Dantrolene¶ | Fluoxetine¶ | Gliclazide¶ | Imidapril | Infliximab | Tizanidine | Valproic acid¶ | Vitamins B5/H | |