Common Drug Name Stems Cheat Sheet
Below is a cheat sheet table that has three columns: Drug Stem, Drug Class, and an Example. Each stem has hyphens at one or both
ends of its text to show that it is found at the beginning, end, or in the middle of the generic name.
Drug Stem
Drug Class and/or Stem Explanation
Examples
labet a lol , medrox a lol
–alol
Combined alpha and beta blockers
n a ndr o lone
–andr–
Androgens
alt a nserin , trop a nserin , alt a nserin
–anserin
Serotonin 5–HT(sub)2 receptor antagonists
flud a rabine
–arabine
Antineoplastics (arabinofuranosyl derivatives)
alglucer a se , dorn a se alfa
–ase
Enzymes
lor a zepam
–azepam
Antianxiety agents (diazepam type)
dox a zosin
–azosin
Antihypertensives (prazosin type)
sul b actam
–bactam
Beta–lactamase inhibitors
mepro b amate , fel b amate
–bamate
Tranquilizers/antiepileptics
pheno b arb i tal
–barb
Barbituric acid derivatives
Anti–inflammatory analgesics (phenylbutazone type) mofe b utazone
–butazone
dibu c aine
–caine
Local anesthetics
cef a zolin
cef–
Cephalosporins
ampi c illin
–cillin
Penicillins
flu c onazole , oxiconazole
–conazole
Antifungals (miconazole type)
hydro c ort i sone
–cort–
Cortisone derivatives
atra c urium
–curium
Neuromuscular blocking agents
mino c ycline
–cycline
Antibiotics (tetracycline type)
hy d ralazine
–dralazine
Antihypertensives (hydrazine–phthalazines)
p e rg o lide
–erg–
Ergot alkaloid derivatives
estr o ne
estr–
Estrogens
beza f ibrate
–fibrate
Antihyperlipidemics
en f lurane , iso f lurane
–flurane
Inhalation anesthetics
me g est r ol
–gest–
Progestins
des i rudin
–irudin
Anticoagulants
tece l eukin , aldes l eukin
–leukin
Interleukin–2 derivatives