Signs of Excessive Blood Sugar (Hyperglycemia)

Excessive blood sugars (hyperglycemia) can come on slowly or rapidly relying on the kind of diabetes you’ve gotten and the reason for that individual excessive.

Actually, your blood sugars might have been sitting at a higher-than-normal stage for therefore lengthy that you just don’t actually even really feel the signs of it in any respect.

In comparison with low blood sugars (hypoglycemia), excessive blood sugars are far more troublesome to identify and even discover. Additionally they take longer to appropriate, and whereas they carry much less fast hazard in comparison with lows, they’ve the potential to trigger far more long-term injury all through your whole physique. 

Let’s take a better take a look at the causes and signs of excessive blood sugar ranges.

Signs of Excessive Blood Sugar (Hyperglycemia)

What’s excessive blood sugar?

A wholesome human physique thrives when blood sugar ranges are typically between 70 to 130 mg/dL all through the day. Whereas everybody — together with non-diabetics — will probably expertise blood sugar ranges above this vary due to large meals, that is the final aim vary.

With low blood sugars, there’s one quantity for everybody that’s thought-about “low” — 70 mg/dL — as a result of dipping under this turns into harmful for everybody. However excessive blood sugars are extra sophisticated as a result of being barely above the aim ranges listed under doesn’t equate to fast hazard and may very well be safer for some individuals primarily based on different well being situations and their age.

In keeping with the American Diabetes Asociation and the Mayo Clinic, optimum blood glucose ranges are: 

Blood sugar targets for a non-diabetic:

  • Between 80 and 120 mg/dL for individuals age 59 and youthful with no further medical situations
  • Under 100 mg/dL when fasted (earlier than consuming)
  • Between 100 and 140 mg/dL for individuals age 60 and older if they’ve further well being situations like coronary heart illness, kidney illness, and so forth. 

Blood sugar targets for an individual with sort 1 or sort 2 diabetes:

  • Between 80 and 130 mg/dL “fasted” (earlier than meals)
  • Lower than 180 mg/dL inside two hours after meals

Excessive blood sugar ranges turn into harmful when:

  • You’re excessive for a constant time frame, even if you get up within the morning
  • You’re operating above 180 mg/dL regularly 
  • You’re operating above 250 mg/dL regularly — very harmful

When you’ve already been identified with any sort of diabetes, then seeing a 120 mg/dL in your glucose meter earlier than breakfast isn’t essentially trigger for alarm, nevertheless it does imply you’re operating increased than your probably aim vary.

When you haven’t been identified with any sort of diabetes and your fasting blood sugar stage is over 120 mg/dL, this can be a clear indicator of diabetes and needs to be mentioned intimately along with your healthcare group.

Causes of hyperglycemia

  • Type 1 diabetes
  • Pre-diabetes
  • Type 2 diabetes
  • Gestational diabetes
  • Stress
  • Sickness
  • Damage
  • Surgical procedure
  • Weight-gain
  • Weight problems
  • Insulin resistance
  • Lack of normal train
  • Weight loss program excessive in processed, fatty, sugary meals and drinks
  • Exceptionally massive meals (Thanksgiving, Christmas, Easter, and so forth.)
  • Extreme dehydration from repeated vomiting/diarrhea/abdomen virus

Signs of excessive blood sugar

Relying on the reason for your excessive blood sugars, the signs may develop rapidly or progressively. 

Individuals with undiagnosed sort 1 diabetes will develop almost all of the signs of excessive blood sugar in a short time, over the course of some weeks, as a result of their blood sugar ranges are rising quickly whereas insulin manufacturing is declining quickly.

Individuals with prediabetes or sort 2 diabetes might not discover these signs for months or years as a result of progressively rising insulin resistance and beta-cell dysfunction can take a very long time to turn into extreme sufficient to supply noticeable signs.

Earlier signs:

Contact your healthcare group in case you are experiencing a number of of those signs, and ask to have your blood sugar ranges examined.

Later signs:

  • Bitter fruit odor in your breath
  • Lethargy — very heavy feeling in your limbs
  • Yeast infections (in males or girls)
  • Dry mouth
  • Weight reduction (sort 1) or weight achieve (sort 2)
  • Shortness of breath
  • Weak point
  • Confusion / issue concentrating
  • Nausea

Contact your healthcare group in case you are experiencing a number of of those signs, and ask to have your blood sugar ranges examined. When you’ve already been identified with diabetes, ask your healthcare group that will help you fine-tune your treatment dosages that will help you obtain more healthy blood sugar ranges.

Emergency signs:

Go to your native emergency room instantly in case you are experiencing any of those extreme signs.

Suggestions for managing excessive blood sugars if in case you have diabetes

Excessive blood sugars in an individual with any sort of diabetes are anticipated however in case you are constantly operating increased than your aim vary, this implies your physique is getting too little of one thing or an excessive amount of of one thing else.


In all individuals with sort 1 diabetes and a few with sort 2 diabetes, insulin is the one means it is possible for you to to keep up wholesome blood sugar ranges. With out insulin through pump, pen, or syringe, an individual with sort 1 diabetes will die inside just a few days.

However taking insulin is sophisticated. Simply 1 unit an excessive amount of or too little can result in undesirable fluctuations in your blood sugar. Studying find out how to alter, stability and dose your insulin round meals, exercise, stress, hormones, weight achieve or loss, and each day life is a neverending course of. 

Work along with your healthcare to ensure your insulin doses are assembly your physique’s present wants.

Diabetes drugs

Non-insulin diabetes drugs taken through capsule or injection can assist an individual with diabetes tremendously. Many of those drugs work by rising the quantity of insulin you produce if in case you have sort 2 diabetes.

These drugs may lower the quantity of sugar your liver produces, decelerate the digestion of your meals to forestall post-meal spikes, and assist extra glucose out of your eating regimen cross by means of your urine so it by no means enters your bloodstream.

However your dosages of those drugs should be adjusted once in a while. When you’re noticing signs of excessive or low blood sugars, discuss to your healthcare group instantly to get issues fine-tuned.


When your blood sugar is excessive, it is advisable drink loads of water together with anything you do to assist scale back it. Water goes to assist flush out extra glucose and ketones. Even delicate dehydration as an individual with diabetes will solely make your blood sugar ranges increased as a result of your blood turns into extra concentrated.

Diet adjustments

Decreasing the quantity of processed, packaged, sugary meals in your eating regimen will assist tremendously it doesn’t matter what sort of diabetes you’ve gotten. 

You don’t need to eat an ideal eating regimen, however if you happen to can attempt for 80 to 90 % of entire, actual meals that leaves you with loads of room every day for a deal with to forestall emotions of deprivation! Take a look at the larger image of your eating regimen quite than striving for perfection. It doesn’t need to be all or nothing.


Sure, you’ll be able to usually decrease your blood sugar stage by exercising. Common train will assist your physique want much less insulin as a result of the train will burn among the glucose in your bloodstream.

Nevertheless, in case your blood sugar is above 240 mg/dL, verify your urine for ketones utilizing ketone strips or a blood ketone meter. In case you have ketones, don’t train. Exercising with extreme excessive blood sugars can improve ketones and put you vulnerable to DKA.


The nearer you might be to a wholesome physique weight, the extra delicate your physique might be to insulin. This implies your physique will merely battle much less to attain wholesome blood sugar ranges and want much less help from bigger portions of insulin or different drugs. Even dropping 5 or 10 kilos could make a distinction in your sensitivity to insulin!

Learn “Learn how to Lose Weight with Diabetes” to study extra about wholesome weight reduction.

Managing abdomen viruses, the flu, and repeated vomiting 

If you’re an individual with sort 1 diabetes and also you get a abdomen virus that causes you to repeatedly vomit — which implies you might be unable to maintain meals or water down — it is advisable go to an emergency room instantly. In case you have a glucagon equipment, think about using it to forestall extreme low blood sugar till you might be being cared for in an emergency room.

Lengthy-term results of excessive blood sugar ranges

Left untreated, excessive blood sugars will wreak havoc in your whole physique, as a result of glucose will construct up in your bloodstream and primarily rot the important nerve endings all through your whole physique. 

Excessive blood sugars are critical and might severely influence your well being within the brief time period and long run. Speak to your healthcare group instantly if you happen to imagine your blood sugars are constantly operating increased than your aim vary.

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