The nurse is preparing to administer promethazine (Phenergan) to a client who presents with acute vomiting. What information in the client's past medical history would alert the nurse to hold the medication?

A. Diabetes Mellitus is not a contraindication for promethazine, although caution may be needed regarding metabolic control. B. Chronic Kidney Disease does not specifically contraindicate the use of promethazine, but dosage adjustments may be necessary due to altered drug metabolism. C. Iron Deficiency Anemia does not contraindicate the use of promethazine and would not raise significant concerns for its administration. D. Narrow-Angle Glaucoma is a contraindication for promethazine due to its anticholinergic properties, which can increase intraocular pressure and worsen glaucoma.