I stopped taking 81 mg asprin/ 2x daily on March 20th after taking for 30 days following hip replacement surgery. For pain relief from surgery I took nucenta for 2 weeks and then Xstrength Tylenol 650 mg 2x daily. If needed I used Aleve. I have not had any NSAIDs for 2 weeks. But tummy troubles and gut problems started, March 18, bloating, aching stomach and gut, reflux, constipation/ hard stool. I eat a Mediterranean, anti-inflammatory diet, drink water, green tea-turmeric tea and coffee with breakfast and get 1 hr of exercise daily;) Could I have an ulcer from asprin use?