Canadian Pharmacist Qualifying Exam Practice · Question
A prescription is received for 'chlorpromazine 10 mg PO TID' for a 5-year-old patient weighing 20 kg with intractable hiccups. The pharmacist recognizes that chlorpromazine and chlorpropamide are often confused. Which ISMP Canada recommendation directly addresses this type of medication confusion?
Chlorpromazine and chlorpropamide are known Look-Alike/Sound-Alike (LASA) medications. ISMP Canada strongly recommends using TALLman lettering (e.g., chlorproMA
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Question: A prescription is received for 'chlorpromazine 10 mg PO TID' for a 5-year-old patient weighing 20 kg with intractable hiccups. The pharmacist recognizes that chlorpromazine and chlorpropamide are often confused. Which ISMP Canada recommendation directly addresses this type of medication confusion?
Answer options: ✅ Tallman lettering for look-alike/sound-alike (LASA) medications.
- Barcode scanning at all stages of the medication use process.
- Limiting abbreviations to only officially approved lists.
- Implementing CPOE (Computerized Provider Order Entry).
Correct answer: Tallman lettering for look-alike/sound-alike (LASA) medications.
Explanation: Chlorpromazine and chlorpropamide are known Look-Alike/Sound-Alike (LASA) medications. ISMP Canada strongly recommends using TALLman lettering (e.g., chlorproMAZINE, chlorproPAMIDE) in all clinical and pharmacy systems to visually distinguish these names and reduce confusion.
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