by Eric Christianson | Sep 27, 2026 | Gastrointestinal Case Studies
A 79-year-old patient with newly diagnosed Alzheimer’s disease is started on Aricept (donepezil) 10 mg once daily. The prescription is written for 10 mg from the beginning rather than starting at 5 mg daily and increasing the dose after the patient has had time to...
by Eric Christianson | Aug 2, 2026 | Gastrointestinal Case Studies, Renal, Urology, and Electrolytes Case Studies
In this case scenario, we describe how and why dicyclomine and BPH can be a bad combination. Jim is a 68-year-old retired teacher who visits his primary care provider complaining of intermittent lower abdominal cramping that has been occurring for several months. The...
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 | May 27, 2026 | Gastrointestinal Case Studies
NSAIDs are a notorious cause of GI bleeds. This is something that I am significantly concerned about as a geriatric consultant pharmacist. In this blog post, I share 3 examples of NSAIDs causing GI bleeds that I have seen in practice. Scenario 1 – Duplicate...
by Eric Christianson | Apr 22, 2026 | Gastrointestinal Case Studies
One of the most common (and easily fixable) medication mismatches I see in practice involves bowel regimens that outlive their original purpose. This is a great example of how deprescribing can reduce pill burden and prevent unnecessary adverse effects. Bowel Regimens...
by Eric Christianson | Jul 23, 2025 | Gastrointestinal Case Studies
I think I’ve seen this scenario play out more times than I would like. A patient is prescribed both a laxative, Senna, and Questran (cholestyramine), a medication used to manage diarrhea symptoms. This example of the prescribing cascade often presents slowly...
