Final answer:
The nurse should plan to administer Tylenol to the client who has peptic ulcer disease and reports a headache. Tylenol is an effective alternative to aspirin and does not increase the risk of ulcers.
Step-by-step explanation:
The nurse should plan to administer Tylenol to the client who has peptic ulcer disease and reports a headache. Tylenol, also known as acetaminophen, is an effective alternative to aspirin when analgesic or antipyretic effectiveness is desired, especially in patients who cannot tolerate aspirin. It does not inhibit platelet aggregation and therefore is not useful for preventing vascular clotting. This is important for the client with peptic ulcer disease, as aspirin can lead to serious side effects, including increasing the risk of ulcers.