Because this group of drugs may have widespread effects, the nurse must closely observe all patients for the appearance of adverse drug reactions. In hot weather, sweating may decrease and may be followed by heat prostration. The nurse observes the patient at frequent intervals for signs of heat prostration (see Adverse Reactions), especially if the patient is elderly or debilitated. The nurse withholds the next dose of the drug and contacts the primary health care provider immediately if heat prostration is suspected. The nurse observes the elderly patient receiving a cholinergic blocking drug at frequent intervals for excitement, agitation, mental confusion, drowsiness, urinary retention, or other adverse effects. If any of these should occur, it is important to withhold the next dose of the drug and contact the
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