allopurinol mepacrine
arsenic mercury
apirin mesalazine
l-asparaginase methisazone
bismuth methotrexate
bleomycin methyl CCNU
boric acid methysurgide
bromocriptine metoprolol
carbamazepine mitomycin
carbon monoxide mitrexantrone
chlorambucil morphine
chloramphenicol nadolol
cimetidine nafoxidine
colchicine nicotinic acid
clofibrate nicotinyl
clomiphene citrate alcohol
coumarin anticoagulant nitrofurantoin sodium
cyclophosphamide norethisterone
cyproterone acetate estrogens
dactinomycin, danazol oral contraceptives
diethyl carbamazepine para aminosalicylate
dipyridamole phenindione
doxorubicin phenprocoumon
ethionamide potassium thiocyanate
etoposide procainamide, propanolol
etretinate selenium sulphide
fenifibrate sodium aurothiomalate
gentamycin sulphate sodium valproate
guanethidine spironolactone
heparin (telogen effluvium after 6-16 weeks) sulphasalazine
hydroxychloroquine tamoxifen
ibuprofen thalium acetate
idoxuridine thiamphenicol
indandione terfenadine
indomethacin trimethadione
interferon troxidone
iodine vasopressin
isophosphamide vincristine
levamisole vindesine
levodopa vitamin A
lithium warfarin (coumadin)
