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Chapter 10 ADHD Sample Questions

1. Kim is a 10-year old child with Attention Deficit Hyperactivity Disorder (ADHD). His doctor diagnosed his condition and prescribed Methylphenidate CR capsule 10 mg twice daily. The best thing the pharmacist should do is:

A. Call the doctor to switch the patient to Methylphenidate CR tab 20 mg/dose since the latter is given in divided doses.
B. Call the doctor to ensure him that Methylphenidate CR is given once daily and not twice daily.
C. Initial dose is high.
D. Call the doctor to prescribe him Methylphenidate since the capsule can be opened and sprinkled on soft foods

Answer

Ans: B

Tips: Methylphenidate CR is given as 20 mg/dose 8 hours apart and controlled release as a single dose.
Methylphenidate IR 3-6hr (Ritalin)
Methylphenidate SR 5-8 hr (Ritalin)
Methylphenidate CR 10-12hr (Biphentin, Concerta)

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