After dinner, a blood sugar level of about 260 mg/dL is high, however you should consult a doctor before beginning Jubiglim Trio 1. If this medication is inappropriate for you, it may result in low blood sugar or other adverse consequences because it contains several diabetic medications. Continue monitoring your blood sugar levels frequently and adhere to a regulated diet because a single high reading may occur following a large meal, stress, or missing medication. Please speak with your diabetologist so they can determine the safest course of treatment after reviewing your kidney function, current medications, and HbA1c.