[Verified Answer]: a. Withhold lansoprazole for 1-2 weeks before

a. Withhold lansoprazole for 1-2 weeks before performing the urea breath test O Mr. Smith, a 45-year-old male, presents to his primary care physician with symptoms of recurrent abdominal pain, particularly after meals. He describes the pain as a burning sensation in his upper abdomen. He also reports occasional bloating, nausea, and a feeling of fullness. These symptoms have been bothering him for the past few months and have started affecting his daily activities and quality of life. O b. Increase the dose of lansoprazole to 30 mg once daily After a thorough medical history and physical examination, the physician suspects peptic ulcer disease caused by Helicobacter pylori infection. To confirm the diagnosis, the physician decides to order a urea breath test (UBT) for Mr. Smith. Knowing that Mr Smith has been taking lansoprazole 15 mg once daily for one week, what would be your recommendation to avoid a false negative result from the urea breath test? Oc. Withhold lansoprazole for 4 weeks before performing the urea breath test d. Switch from lansoprazole to famotidine