| Low (0-25%) |
Intermediate (25-75%) |
High (>75%) |
| ampicillin |
chloramphenicol |
acetylsalicylic acid |
| antipyrine |
digoxin |
amphotericin B |
| cephalosporins |
lincomycin |
ethacrynic acid |
| cycloserine |
nitrofurantoin |
clofibrate |
| ethanol |
penicillins |
digitoxin |
| kanamycin |
pentobarbital |
estrogens |
| lithium |
quinine |
glucocorticoids |
| paracetamol |
secobarbital |
griseofulvin |
| phenobarbital |
tetracyclines |
oral anticoagulants |
| strophantidin |
thiopental |
indomethacin |
| xanthines |
trimethoprim |
insulin |
| |
|
mefenamic acid |
| |
|
nalidixic acid |
| |
|
phenylbutazone |
| |
|
phenytoin |
|
