Which of the following is NOT a side effect of cholinergic agents?

Cholinergic agents, which enhance the action of acetylcholine in the body, typically produce a range of side effects associated with increased parasympathetic activity. These side effects align with the effects of the autonomic nervous system, where cholinergic stimulation often results in bodily functions that promote rest and digest activities.

Among the options provided, hypertension does not align with the expected effects of cholinergic agents. Cholinergic agents typically lead to a decrease in heart rate (bradycardia), increased urinary frequency (urination), and stimulation of glandular functions (lacrimation).

In contrast, hypertension generally results from increased sympathetic nervous system activity or conditions that elevate blood pressure, which is the opposite of what cholinergic stimulation would cause. Therefore, it stands out as a side effect that does not correspond with the pharmacological action of cholinergic agents.