Which action should the nurse take when administering the initial dose of oral labetalol (Normodyne) to a patient with hypertension?
a. Encourage the use of hard candy to prevent dry mouth.
b. Instruct the patient to ask for help if heart palpitations occur.
c. Ask the patient to request assistance when getting out of bed.
d. Teach the patient that headaches may occur with this medication.
ANS: C
Labetalol decreases sympathetic nervous system activity by blocking both á- and ?-adrenergic receptors, leading to vasodilation and a decrease in heart rate, which can cause severe orthostatic hypotension. Heart palpitations, dry mouth, dehydration, and headaches are possible side effects of other antihypertensives.
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