What is a side effect of vasopressin?

A. Constipation: Vasopressin does not typically affect gastrointestinal motility or cause constipation. Its primary actions are on water reabsorption and vascular tone, making gastrointestinal side effects uncommon. B. Bruising: Vasopressin is not associated with hematologic effects such as bruising. Bruising is more related to anticoagulant therapy or platelet dysfunction, which are not influenced by vasopressin. C. Nausea: While mild nausea may occasionally occur, it is not a common or clinically significant side effect of vasopressin. The drug’s main physiologic impact is on fluid balance and vascular resistance. D. Bradycardia: Vasopressin can increase systemic vascular resistance and elevate blood pressure, which may trigger a reflex bradycardia via baroreceptor-mediated vagal stimulation. This cardiovascular effect is an important side effect for nurses to monitor.