I take novorapid & have my lunch at 4pm. can i take my second dose of novorapid after 4 hrs of the first dose (at 8pm)and then eat dinner?

Since the effect of novorapid is up to 5 hours, you should be guided by the level of your glucose reading just before dinner. You'll adjust the dose according to the blood glucose level. A guideline often used is one.unit for every 20 grams of carbs you'll be eating. The average insulin dependent diabetic strives for 45-60 grams at supper. Your treating MD, who knows your history, is best to advis