ISMP List of Additional Drug Names with Tall Man Letters
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Also see: FDA-Approved List of Generic Drug Names with Tall Man Letters
| Drug Name With Tall Man Letters | Confused With |
|---|---|
| ALPRAZolam | LORazepam — clonazePAM |
| aMILoride | amLODIPine |
| amLODIPine | aMILoride |
| ARIPiprazole | RABEprazole |
| AVINza | INVanz* |
| azaCITIDine | azaTHIOprine |
| azaTHIOprine | azaCITIDine |
| carBAMazepine | OXcarbazepine |
| CARBOplatin | CISplatin |
| ceFAZolin | cefoTEtan — cefOXitin — cefTAZidime — cefTRIAXone |
| cefoTEtan | ceFAZolin — cefOXitin — cefTAZidime — cefTRIAXone |
| cefOXitin | ceFAZolin — cefoTEtan — cefTAZidime — cefTRIAXone |
| cefTAZidime | ceFAZolin — cefoTEtan — cefOXitin — cefTRIAXone |
| cefTRIAXone | ceFAZolin - cefoTEtan – cefOXitin – cefTAZidime |
| CeleBREX | CeleXA* |
| CeleXA | CeleBREX* |
| chlordiazePOXIDE | chlorproMAZINE |
| chlorproMAZINE | chlordiazePOXIDE |
| CISplatin | CARBOplatin |
| cloBAZam | clonazePAM |
| clonazePAM | cloNIDine — cloZAPine — cloBAZam — LORazepam |
| cloNIDine | clonazePAM – cloZAPine — KlonoPIN* |
| cloZAPine | clonazePAM — cloNIDine |
| DACTINomycin | DAPTOmycin |
| DAPTOmycin | DACTINomycin |
| DEPO-Medrol* | SOLU-Medrol* |
| diazePAM | dilTIAZem |
| dilTIAZem | diazePAM |
| DOCEtaxel | PACLitaxel |
| DOXOrubicin | IDArubicin |
| DULoxetine | FLUoxetine — PARoxetine |
| ePHEDrine | EPINEPHrine |
| EPINEPHrine | ePHEDrine |
| epiRUBicin | eriBULin |
| eriBULin | epiRUBicin |
| fentaNYL | SUFentanil |
| flavoxATE | fluvoxaMINE |
| FLUoxetine | DULoxetine — PARoxetine |
| fluPHENAZine | fluvoxaMINE |
| fluvoxaMINE | fluPHENAZine - flavoxATE |
| guaiFENesin | guanFACINE |
| guanFACINE | guaiFENesin |
| HumaLOG* | HumuLIN* |
| HumuLIN* | HumaLOG* |
| hydrALAZINE | hydroCHLOROthiazide – hydrOXYzine |
| hydroCHLOROthiazide | hydrOXYzine — hydrALAZINE |
| HYDROCODONE | oxyCODONE |
| HYDROmorphone | morphine — oxyMORphone |
| HYDROXYprogesterone | medroxyPROGESTERone |
| hydrOXYzine | hydrALAZINE — hydroCHLOROthiazide |
| IDArubicin | DOXOrubicin – idaruCIZUmab |
| idaruCIZUmab | IDArubicin |
| inFLIXimab | riTUXimab |
| INVanz* | AVINza* |
| ISOtretinoin | tretinoin |
| KlonoPIN* | cloNIDine |
| LaMICtal* | LamISIL* |
| LamISIL* | LaMICtal* |
| lamiVUDine | lamoTRIgine |
| lamoTRIgine | lamiVUDine |
| levETIRAcetam | levOCARNitine — levoFLOXacin |
| levOCARNitine | levETIRAcetam |
| levoFLOXacin | levETIRAcetam |
| LEVOleucovorin | leucovorin |
| LORazepam | ALPRAZolam — clonazePAM |
| medroxyPROGESTERone | HYDROXYprogesterone |
| metFORMIN | metroNIDAZOLE |
| methazolAMIDE | methIMAzole — metOLazone |
| methIMAzole | metOLazone – methazolAMIDE |
| metOLazone | methIMAzole — methazolAMIDE |
| metroNIDAZOLE | metFORMIN |
| metyraPONE | metyroSINE |
| metyroSINE | metyraPONE |
| miFEPRIStone | miSOPROStol |
| miSOPROStol | miFEPRIStone |
| mitoMYcin | mitoXANTRONE |
| mitoXANTRONE | mitoMYcin |
| NexAVAR* | NexIUM* |
| NexIUM* | NexAVAR* |
| niCARdipine | niMODipine – NIFEdipine |
| NIFEdipine | niMODipine — niCARdipine |
| niMODipine | NIFEdipine – niCARdipine |
| NovoLIN* | NovoLOG* |
| NovoLOG* | NovoLIN* |
| OLANZapine | QUEtiapine |
| OXcarbazepine | carBAMazepine |
| oxyCODONE | HYDROCODONE — OxyCONTIN*– oxyMORphone |
| OxyCONTIN* | oxyCODONE – oxyMORphone |
| oxyMORphone | HYDROmorphone — oxyCODONE – OxyCONTIN* |
| PACLitaxel | DOCEtaxel |
| PARoxetine | FLUoxetine — DULoxetine |
| PAZOPanib | PONATinib |
| PEMEtrexed | PRALAtrexate |
| penicillAMINE | penicillin |
| PENTobarbital | PHENobarbital |
| PHENobarbital | PENTobarbital |
| PONATinib | PAZOPanib |
| PRALAtrexate | PEMEtrexed |
| PriLOSEC* | PROzac* |
| PROzac* | PriLOSEC* |
| QUEtiapine | OLANZapine |
| quiNIDine | quiNINE |
| quiNINE | quiNIDine |
| RABEprazole | ARIPiprazole |
| raNITIdine | riMANTAdine |
| rifAMPin | rifAXIMin |
| rifAXIMin | rifAMPin |
| riMANTAdine | raNITIdine |
| RisperDAL* | rOPINIRole |
| risperiDONE | rOPINIRole |
| riTUXimab | inFLIXimab |
| romiDEPsin | romiPLOStim |
| romiPLOStim | romiDEPsin |
| rOPINIRole | RisperDAL*— risperiDONE |
| SandIMMUNE* | SandoSTATIN* |
| SandoSTATIN* | SandIMMUNE* |
| sAXagliptin | SITagliptin |
| SEROquel* | SINEquan* |
| SINEquan* | SEROquel* |
| SITagliptin | sAXagliptin — SUMAtriptan |
| Solu-CORTEF* | SOLU-Medrol* |
| SOLU-Medrol* | Solu-CORTEF* — DEPO-Medrol* |
| SORAfenib | SUNItinib |
| SUFentanil | fentaNYL |
| sulfADIAZINE | sulfaSALAzine |
| sulfaSALAzine | sulfADIAZINE |
| SUMAtriptan | SITagliptin — ZOLMitriptan |
| SUNItinib | SORAfenib |
| TEGretol* | TRENtal* |
| tiaGABine | tiZANidine |
| tiZANidine | tiaGABine |
| traMADol | traZODone |
| traZODone | traMADol |
| TRENtal* | TEGretol* |
| valACYclovir | valGANciclovir |
| valGANciclovir | valACYclovir |
| ZOLMitriptan | SUMAtriptan |
| ZyPREXA* | ZyrTEC* |
| ZyrTEC* | ZyPREXA* |
*Brand names always start with an uppercase letter. Some brand names incorporate tall man letters in initial characters and may not be readily recognized as brand names. An asterisk follows all brand names on the ISMP list.

