The practical nurse (PN) evaluates a client 30 minutes after the initial administration of a new prescription. Which client response requires immediate action by the PN?

Tinnitus and vertigo after taking an aminoglycoside antiinfective.

Pruritus and urticaria after receiving a broad spectrum antibiotic.

Restlessness and excitability after receiving a narcotic analgesic.

Orthostatic hypotension and bradycardia after taking a beta blocker.