Diuretics should be given usually at which time?

Appeared in: UPPSC-2021

Explanation

Diuretics increase urine production (diuresis), and their primary effect is to remove excess fluid from the body.
Administering them in the morning ensures that the patient urinates most frequently during the day, preventing the need to wake up at night.
This timing minimizes sleep disruption (nocturia) and reduces the risk of falls that can occur when getting up to use the bathroom in the dark, especially for elderly patients.

Option B: Taking a diuretic at noon can cause increased urination into the evening and early part of the night, potentially disrupting the patient's sleep.
Option C: Taking a diuretic in the evening is strongly discouraged as it will almost certainly cause nocturia (frequent urination at night), leading to poor sleep quality and fatigue.
Option D: This is the least appropriate time. Administering a diuretic at night maximizes sleep disruption and significantly increases the risk of falls and injury when the patient has to get out of bed multiple times to urinate.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pharmacology: Drug Administration Timing as background academic context rather than a clinical decision trigger.
Patient safety is the primary driver for morning administration of diuretics. Preventing nocturia directly reduces the risk of nighttime falls, a major cause of morbidity and mortality in the elderly.
Patient education is a key nursing responsibility. Explaining why the timing is important improves medication adherence and empowers patients to participate in their own safety.
What if? If a patient is prescribed a diuretic twice a day, the nurse should administer the first dose in the morning and the second dose in the mid-afternoon (e.g., 2 PM to 4 PM) to ensure the diuretic effect subsides before bedtime.

How to Approach the Question

First, identify the drug class mentioned in the question: Diuretics.
Recall the primary function of this drug class. Diuretics increase the production and excretion of urine.
Consider the practical implications of this effect on a patient's daily life, particularly their sleep-wake cycle.
Logically deduce the best time for administration. To avoid disrupting sleep, the drug's effect should be concentrated during waking hours.
Evaluate the options based on this logic. Morning administration aligns the peak diuretic effect with the patient's daytime activities, while evening or night administration would disrupt sleep. Therefore, morning is the most appropriate time.

Concept Tested & Keywords

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E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 150-152

Practise the full UPPSC-2021

Attempt every question from this paper in a timed mock, then review the full solution for each one.