John Has Clonidine, a Centrally Acting Adrenergic Blocker, Prescribed for His

John has clonidine, a centrally acting adrenergic blocker, prescribed for his hypertension. He should:

A) Not miss a dose or stop taking the drug because of potential rebound hypertension
B) Increase fiber in the diet to treat any diarrhea that may occur
C) Reduce fluid intake to less than 2 liters per day to prevent fluid retention
D) Avoid sitting for long periods, as this can lead to deep vein thrombosis