Medication And Allergy History Practice Test

A 59-year-old man (weight 95 kg) requests a comprehensive medication review due to dizziness and near falls. Medical history includes type 2 diabetes, hypertension, benign prostatic hyperplasia, and chronic low back pain. Current medications: metformin 1,000 mg by mouth twice daily, glipizide 10 mg by mouth twice daily, lisinopril 20 mg by mouth daily, hydrochlorothiazide 25 mg by mouth daily, tamsulosin 0.4 mg by mouth nightly, gabapentin 600 mg by mouth three times daily, and cyclobenzaprine 10 mg by mouth three times daily as needed (using daily). Pertinent labs: A1c 6.4%, SCr 1.0 mg/dL. Documented allergies: ibuprofen (heartburn). Which medication on the list is most likely causing the patient's symptoms?

A 63-year-old woman (weight 60 kg) with a mechanical mitral valve presents for anticoagulation follow-up. Current medications: warfarin 4 mg by mouth nightly, amlodipine 10 mg by mouth daily, levothyroxine 88 mcg by mouth daily, and a new antibiotic started 3 days ago for bronchitis (she cannot recall the name). Pertinent labs today: INR 5.6 (high; goal 2.5–3.5), SCr 0.8 mg/dL, AST/ALT within normal limits. Documented allergies: erythromycin (severe nausea). What is the most important step in verifying the patient's medication history?