by Eric Christianson | Jul 19, 2026 | Gastrointestinal Case Studies
Proton pump inhibitors (PPIs) like omeprazole are among the most commonly prescribed medications and are highly effective for conditions such as gastroesophageal reflux disease (GERD), peptic ulcer disease, and prevention of gastrointestinal bleeding. While they are...
by Eric Christianson | Jan 14, 2026 | Hematology and Immunology Case Studies
In this case scenario, we discuss the “double trouble” of using PPIs and metformin and their effects on vitamin B12. Mrs. J is a 68-year-old woman with type 2 diabetes and gastroesophageal reflux disease (GERD). She has been taking metformin 1,000 mg twice...
by Eric Christianson | Oct 22, 2023 | Gastrointestinal Medication and Disease State Clinical Pearls
Vitamin B12 is a critical nutrient that helps with the function of major body systems. It is involved in the production of red blood cells, is important in energy production, and helps maintain a normally functioning nervous system. Vitamin B12 deficiency can lead to...
by Eric Christianson | Aug 6, 2023 | Renal, Urology, and Electrolytes Case Studies
Magnesium is an essential mineral used for many bodily functions. There are a few drugs that deplete magnesium and below is a case scenario where we have medications that should be ruled out as contributing factors. MW is a 67-year-old male with a history of...
by Eric Christianson | May 19, 2021 | Medication and Disease State Clinical Pearls For Pharmacists, Renal, Urology, and Electrolytes Medication and Disease State Clinical Pearls
In the ambulatory care and geriatrics space, I see magnesium supplements used on a fairly frequent basis in practice. Here are a few magnesium clinical pearls that I’ve picked up along the way. Drugs That Cause Magnesium Deficiency There are a few no doubters...
