INS and diabetes mellitus: Medications more commonly prescribed in this subtype included cardiac medications such as aspirin, lisinopril, amlodipine, metoprolol, and atorvastatin; diabetes medications such as metformin and insulin; pain medications such as acetaminophen, gabapentin, oxycodone, and morphine; respiratory medications such as albuterol and fluticasone; antacid medications such as omeprazole and famotidine, and also vitamin D. Subtype 2 patients were also more likely to have had digestive surgery (40.1% vs. 16.8%).