Your patient, a 6-year-old boy, is starting a regimen of methylphenidate (Ritalin) to control an attention deficit disorder. Family teaching should include which of the following? 

a. This drug can be shared with other family members who might seem to need it. 

b. This drug may cause insomnia, weight loss, and GI upset. 

c. Do not alert the school nurse to the fact that this drug is being taken because the child could have problems later. 

d. This drug should not be stopped for any reason for several years.