A. Take the medication on an empty stomach: Hydrochlorothiazide can be taken with or without food. Taking it with food can reduce gastrointestinal upset, so this is not necessary advice. B. Take the medication at bedtime: Hydrochlorothiazide is a diuretic, and taking it at bedtime may cause nocturia (frequent nighttime urination), which can disturb sleep. C. Muscle weakness is an expected adverse effect: Muscle weakness is not an expected effect but can be a sign of hypokalemia, a possible adverse effect due to potassium loss. D. Increase daily intake of foods high in potassium: Thiazide diuretics like hydrochlorothiazide can cause hypokalemia, so clients are encouraged to eat potassium-rich foods (e.g., bananas, oranges, spinach).