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July • August 2003 - Ontario College of Pharmacists

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COLUMN<br />

F O C U S<br />

O N<br />

Error Prevention<br />

Counselling Patients on Pre<br />

brand <strong>of</strong> the drug. The tablets were therefore labelled<br />

NovoPurol® 100mg. The following day, Mr. Smith<br />

continued to take his regular medication including Apo<br />

Allopurinol 100mg along with what he believed to be a new<br />

drug NovoPurol® 100mg.<br />

Ian Stewart, B.Sc.Phm.<br />

Though the pharmacist may dispense the right drug at<br />

the right dosage, patient education is critical in<br />

ensuring that the right patient takes the right dosage<br />

<strong>of</strong> the right drug at the right interval. As the following cases<br />

illustrate, lack <strong>of</strong> patient education may lead to drug administration<br />

errors.<br />

CASE 1<br />

Mr. Smith, a 70-year-old patient, regularly takes the<br />

following medications.<br />

Drug<br />

Apo Allopurinol 100mg<br />

Avapro® 150mg<br />

Apo Atenolol 50mg<br />

Dose<br />

Once daily<br />

Once daily<br />

Once daily<br />

Recently, Mr. Smith received a new three-month<br />

prescription <strong>of</strong> Allopurinol 100mg from his physician. On<br />

this occasion, the pharmacist dispensed the Novopharm<br />

A few days later, Mr. Smith requested a refill <strong>of</strong> his Apo<br />

Allopurinol 100mg tablets. On questioning the patient<br />

regarding the need for an early refill, the pharmacist learned<br />

<strong>of</strong> the misunderstanding and as a result, the doubling <strong>of</strong> the<br />

prescribed dosage <strong>of</strong> Allopurinol.<br />

Possible Contributing Factors:<br />

• The patient was unaware <strong>of</strong> the relationship between Apo<br />

Allopurinol and NovoPurol®<br />

• The patient did not question the physician or the pharmacist<br />

regarding his ‘new’ therapy<br />

• Appropriate counselling did not take place when NovoPurol®<br />

was dispensed<br />

Recommendations:<br />

• Always review the patient’s medication history prior to<br />

counselling<br />

• Educate your patients regarding the relationship between<br />

brand names and generic names — this is especially<br />

important when switching brands. In these instances,<br />

place a sticker or note on the prescription bag to remind<br />

the pharmacist/yourself <strong>of</strong> the need to counsel the patient<br />

• Encourage your patients to ask questions, especially when<br />

they notice something different about their prescription/medication<br />

38<br />

Pharmacy Connection <strong>July</strong> • <strong>August</strong> <strong>2003</strong>

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