 [ Symptoms ] lower normal body temperature = lower dangerous high fever temperature  despite no hypothyroidism diagnosis from blood test & family history my normal temp is always a little low i have been tracking my bbt for several months now and during follicular phase it is rarely above 36 1 c if average is 37 c and based on that average dangerously high is 39 4 c should i be concerned at 39 4 or something lower last night i hit 38 8 and it turns out i have strep throat the dr i saw today took note of my temps but said nothing [ Disease ] 500mgdl is a very high blood glucose that needs attention from a health professional the american diabetes association recommends the following blood glucose levels for people with diabetes 70 to 130 mgdl before meals and less than 180 mgdl after meals when blood sugar levels remain too high ketoacidosis can result click on the link for more info but that is more likely to occur in someone with type 1 diabetes over time having high blood sugars puts people at risk for various complications it is important you work with your doctor to lower your blood glucose level as is working with your dietitiandiabetes educator to make changes to your meal plan andor medication do not delay getting help there is quite a learning curve when diabetes is first diagnosied but once you get it it will become easier for more on blood sugar control see this webmd article