A 29-year-old who is 8 weeks pregnant presents with a chief complaint of nausea and vomiting. She states, “I’ve been like this for three weeks. I don’t know why this is called morning sickness since I feel sick to my stomach almost all the time”, reporting that she vomits 2-3 times nearly every day, stating, “I was worse 2-3 weeks ago, when I was throwing up 4-5 times a day. I figured out what food really bothers my stomach and cut those out.” A 24-h dietary recall reveals frequent low-fat meals and consistent sipping of liquids. She denies thirst or infrequent urination, and reports, “I’m just tired of feeling this way. I’ve missed so much work and can hardly keep up with my 3-year-old.” Physical exam reveals the following; Alert, appears fatigued, with moist mucous membranes, a 1 lb. weight loss since last visit 4 weeks ago, and minimal epigastric tenderness without rebound.

The NP considers advising on the following:
A. Initiate therapy with an oral 5HT-3 antagonist such as ondansetron (Zofran®).
B. Referral to high-risk for advise on further management.
C. Advise on the use of daily dose of oral vitamin B6 with doxylamine.
D. Increase fluid and fiber intake.
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