Blood sugar

Blood sugar is an amount of glucose present in the blood of humans or animals. Sugar in the blood is the primary source for energy for body cells and blood lipids. Low blood sugar means hypoglycemia. High blood sugar means hyperglycemia. People with diabetes mellitus can have high blood sugar.

 Hypoglycemia 
Hypoglycemia is low blood sugar.

 Hyperglycemia 
Hyperglycemia is high blood sugar. Some of the signs of high blood sugar are:

 Thirstiness
 Being extra hungry
 Peeing more often
 Headache
 Blurry eyesight

Some signs of long time high blood sugar can be:

 Being very tired
 Losing weight
 Infections of the skin
 Cuts and sores heal slowly
Another sickness that is caused by high blood sugar is ketoacidosis. This sickness is because of a lack of insulin and a high amount of chemicals called ketones in the blood.

References

Category:Blood
Category:Medical signs
Category:Medicine