What Is Postprandial Hyperglycemia?

Hyperglycemia or high level of glucose in blood is a serious health problem for diabetic people. Hyperglycemia happens when there is excess sugar level in the blood. It occurs from time to time in all diabetic people. Hence, they need to go for blood glucose check up regularly. Hyperglycemia results as the insulin level falls in the blood or when the body can’t use it properly. Chronic hyperglycemia that remains the same in fasting conditions is mostly caused by diabetes mellitus. Intermittent hyperglycemia is present in prediabetic conditions.

Types Of Hyperglycemia:

  • Fasting Hyperglycemia
  • Postprandial Hyperglycemia


is that level of sugar in blood which ranges in between 90 to 130 mg/dL after fasting for eight hours.

Postprandial or after meals Hyperglycemia

is that level of sugar which is generally greater than 180mg/dL.

Non-diabetic people, postprandial or post meal glucose level rarely go above 140 mg/dL, but sometimes after a large meal, glucose level can reach 180mg/dL. Hence, static increased level of glucose after meals can indicate that person is at high risk for developing Type-2 diabetes.


  • Diabetes mellitus

    – it mainly causes hyperglycemia which persists even in fasting states. Intermittent hyperglycemia may be present in prediabetic states. In diabetes mellitus, hyperglycemia mainly results by low levels of insulin. Low insulin prevents the body from converting glucose into glycogen, which makes it difficult to remove excess glucose from the blood.

  • Drugs

    – certain drugs like epinephrine, beta blockers, corticosteroids, thiazide diuretics, niacin and pentamidine increase the risk of hypoglycemia.

  • Central illness-

    patients with myocardial infarction or stroke and even without diabetes may develop hyperglycemia.

  • Physiological stress-

    when the body is under stress, it releases several hormones and it raises the blood glucose level.


  • Increased thirst
  • Dry mouth
  • Blurred vision
  • Fatigue
  • High sugar level in urine
  • Frequent urination
  • Weight loss
  • Drowsiness

Hyperglycemia can develop in hours or days depending on the cause. If you have more than required meal, your blood sugar can rise in few hours.
Treatment involves several medications and insulin administration which have proved valuable to achieve control over postprandial hyperglycemia.

1 response to What Is Postprandial Hyperglycemia?

  1. My fasting Glucose Level is almost normal but after breakfast (2hrs) it goes very hogh 200 to 250. Please suggest how to control and food I should take