When to check your blood sugars Diabetes Home Blood Sugar What are blood sugars? Why your blood sugars change When to check your blood sugars What do your blood sugars mean? Low blood sugar What is low blood sugar What does low blood sugar feel like? You think you have low blood sugar. What do you do? Why do you get low blood sugar? High blood sugar What is high blood sugar? Why do you get high blood sugar? What does high blood sugar feel like? What to do when you have high blood sugar You may need to go to the hospital when you have high blood sugar How to check your blood sugar How to use a blood sugar meter CGM Libre When you take insulin you need to check your blood sugars. You will need to do it more than 1 time every day. Check before you eat. Like before Breakfast Lunch Dinner You must check your blood sugar Before you sleep Before you do exercise When your blood sugars feel low When your blood sugars feel high Check your blood sugars when you feel sick stressed But It is different for every one. Talk to your doctor. They will tell you when you must check your blood sugars. Back Diabetes Home Next This is general information. Talk to your doctor for information made for you.