by Eric Christianson | Nov 8, 2026 | Renal, Urology, and Electrolytes Case Studies
Chronic kidney disease (CKD) can significantly impact medication clearance and increase the risk of drug toxicity. Three medications I frequently think about in patients with declining renal function are gabapentin, allopurinol, and digoxin. Here are three case...
by Eric Christianson | Oct 28, 2026 | Renal, Urology, and Electrolytes Case Studies
A patient reports increased urinary frequency and incontinence. The response? A new prescription for tolterodine (Detrol). Before adding another medication, pharmacists should consider whether this is a potential prescribing cascade. In a recent case scenario, a...
by Eric Christianson | Sep 30, 2026 | Neurology, Pain, and Musculoskeletal Case Studies
A 76-year-old patient with osteoarthritis is started on nabumetone (podcast) for chronic knee pain. A few weeks later, the patient reports that both legs and ankles are becoming swollen. The edema is attributed to “fluid retention,” and Lasix (furosemide) 20 mg daily...
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 26, 2026 | Dermatology, ENT, Ophthalmology Case Studies
NE is a 62-year-old man with seasonal allergies, hyperlipidemia, and mild osteoarthritis. His blood pressure has historically been well controlled without medication, typically ranging from 122–130/74–82 mmHg. As spring arrives, NE develops worsening allergy symptoms,...
by Eric Christianson | Aug 23, 2026 | Psychiatry and Addiction Medicine Case Studies
ME is a 76-year-old patient with Parkinson’s disease, type 2 diabetes mellitus, hypertension, and hyperlipidemia. His Parkinson’s disease has progressed over the past several years, and he is currently taking carbidopa/levodopa for management of his motor symptoms....