A nurse is caring for a client in a provider's office. Exhibits Click to highlight the findings that indicate an adverse effect of the medication. To deselect a finding, click on the finding again. Nurses' Notes Today: 6000 Client returns for follow-up visit after starting labetalol. Client reports feeling more tired since starting the medication and is having trouble sleeping. Client states, "I have also had loose stools several times this week and often get dizzy whenever I stand up." Vital Signs Today: Temperature 37° C (98.6° F) Heart rate 56/min Respiratory rate 14/min Blood pressure 118/76 mm Hg

Client reports feeling more tired since starting the medication: Fatigue is a common side effect of beta-blockers due to decreased cardiac output. Client states, "I have also had loose stools several times this week": Gastrointestinal disturbances, including diarrhea, can occur with labetalol. Client states, "I often get dizzy whenever I stand up.": This suggests orthostatic hypotension, a known adverse effect of labetalol due to vasodilation and decreased sympathetic response. Heart rate 56/min: This is bradycardia, a classic adverse effect of beta-blockers, particularly in clients without prior use. The temperature, respiratory rate, and blood pressure are all within normal ranges.