Conclusion
Nabumetone is a nonsteroidal anti-inflammatory drug with solid warnings from the FDA. It would help if you always used it as prescribed by your health care provider. You should talk to your doctor if you notice any side effects.
References;
[1] https://www.webmd.com/eye-health/why-is-my-vision-blurry
[2] https://familydoctor.org/condition/ulcers/amp/
[3] https://www.medicalnewstoday.com/articles/158634
[4] https://www.medicinenet.com/stroke_symptoms_and_treatment/article.htm
[5] https://www.who.int/news-room/fact-sheets/detail/diabetes
[6] https://emedicine.medscape.com/article/123702-overview