A nurse is assessing a client who has seasonal allergies and is taking an antihistamine. Which of the following findings is an adverse effect of this type of medication?
Photophobia
Diarrhea
Dry mouth
Increased blood pressure
The Correct Answer is C
A. Photophobia: Photophobia is not a common side effect of antihistamines. It can be associated with other conditions, but not typically with antihistamine use.
B. Diarrhea: Diarrhea is not a common side effect of antihistamines; they are more likely to cause constipation due to their anticholinergic effects.
C. Dry mouth: Dry mouth is a common anticholinergic effect of antihistamines. It occurs because these medications block acetylcholine, leading to decreased saliva production.
D. Increased blood pressure: Increased blood pressure is not a typical side effect of antihistamines. While some formulations may cause increased heart rate or palpitations, they do not generally lead to hypertension directly.
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Correct Answer is D
Explanation
A. "Gradually decrease the dose once tolerance to the effect is reached." Tolerance can develop over time, but this approach is not the most effective or safest way to manage sedation.
B. "Take the medication with meals." Taking diphenhydramine with food may help with gastrointestinal side effects but does not reduce sedation.
C. "Distribute the doses evenly throughout the day." Distributing doses evenly may not effectively reduce sedation, as diphenhydramine has sedative effects regardless of timing.
D. "Take the daily dose at bedtime.” Taking diphenhydramine at bedtime can minimize daytime sedation, as the sedative effects will occur during sleep.
Correct Answer is A
Explanation
A. Diabetes mellitus: Diabetes mellitus is a significant risk factor for UTIs due to elevated glucose levels in the urine, which provides an environment conducive to bacterial growth.
B. Anemia: Anemia does not directly increase the risk of UTIs. UTIs are more related to factors affecting the urinary tract and immune function rather than blood cell count.
C. Osteoporosis: Osteoporosis does not increase susceptibility to UTIs, as it primarily affects bone density and strength.
D. COPD: COPD is a lung condition and does not have a direct connection to an increased risk for UTIs.