While Checking Orders for a Patient Newly Admitted with Abdominal

While checking orders for a patient newly admitted with abdominal pain and suspected pancreatitis, the nurse notes the following order, "meperidine 50-100 mg IM q 3-4 hr prn for pain." Which of the following medications currently taken by the patient would cause the nurse to contact the physician?

A) Isordil (isosorbide) 20 mg po q 6 hr
B) Trandate (labetalol) 100 mg BID
C) Nardil (phenelzine) 15 mg po TID
D) Indocin (indomethacin) 25 mg po QID