The Nurse Is Caring for a Patient Who Is 6-7

The nurse is caring for a patient who is 6-7 weeks pregnant and has moderate to severe vomiting. The provider has ordered doxylamine (Unisom) and intravenous fluids. The patient reports a history of asthma and type 2 diabetes mellitus. The nurse will hold the drug and contact the provider because doxylamine should be used with caution in patients who:

A) are pregnant.
B) are in their first trimester.
C) have asthma.
D) have diabetes.