The pharmacy must have the results of a current ANC and WBC blood test prior to dispensing which medication?

Rationale

Clozapine requires the results of a current ANC and WBC blood test prior to dispensing.

Clozapine is an atypical antipsychotic medication that can cause agranulocytosis, a potentially life-threatening decrease in white blood cells. Therefore, monitoring the absolute neutrophil count (ANC) and white blood cell (WBC) levels is essential to ensure patient safety before initiating or continuing treatment with this medication.

A (Aripiprazole) YOUR ANSWER

Aripiprazole is another atypical antipsychotic, but it does not have the same risk of agranulocytosis as clozapine. Routine monitoring of ANC and WBC is not required for aripiprazole, making it safer in this regard compared to clozapine.

B (Fluoxetine) YOUR ANSWER

Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) used primarily for depression and anxiety disorders. It does not carry a risk of agranulocytosis, and therefore, there are no requirements for ANC and WBC monitoring before dispensing this medication.

C (Amitriptyline) YOUR ANSWER

Amitriptyline is a tricyclic antidepressant that is not associated with a significant risk of agranulocytosis. As such, there is no need for ANC and WBC testing prior to its prescription, unlike clozapine, which mandates these tests for patient safety.

D (Clozapine) CORRECT

Clozapine is unique among antipsychotics due to its potential to cause severe neutropenia. Because of this risk, the pharmacy must ensure that the patient's ANC and WBC levels are within acceptable ranges before dispensing clozapine to prevent serious complications.

Conclusion

Clozapine's association with agranulocytosis necessitates routine monitoring of ANC and WBC levels to safeguard patients from serious health risks. In contrast, the other medications listed do not present this risk and do not require similar blood tests, underscoring the critical safety protocols tied specifically to clozapine's use.

The pharmacy must have the results of a current ANC and WBC blood test prior to dispensing which medication?

Clozapine requires the results of a current ANC and WBC blood test prior to dispensing.

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