Plz help i sad and lonely :( i don't know why

Aclient, prescribed dextroamphetamine for attention deficit hyperactivity disorder (adhd), has developed a common adverse effect of the medication since beginning therapy. which initial intervention should the client be encouraged to implement? a. increase fiber intake. b. take an over-the-counter (otc) laxative daily. c. take metronidazole. d. take diphenoxylate hydrochloride.