The Patient Receives Aspirin, a Multivitamin, and an Antihistamine Every

The patient receives aspirin, a multivitamin, and an antihistamine every day. What is the best instruction by the nurse prior to administering levodopa, carbidopa, and entacapone (Stalevo) ?

A) "You should not take the aspirin with your levodopa, carbidopa, and entacapone (Stalevo) ."
B) "You should not take the antihistamine with your levodopa, carbidopa, and entacapone (Stalevo) ."
C) "You should not take the multivitamin with your levodopa, carbidopa, and entacapone (Stalevo) ."
D) "These medications are safe to take with levodopa, carbidopa, and entacapone (Stalevo) ."