Everything About Blood Sugar Levels and Ranges You Must Know

By Shantanu Sodhi +2 more

Every diabetes patient either faces high blood sugar levels or low blood sugar levels from time to time. High blood sugar levels are known as hyperglycemia, while low blood sugar levels are called hypoglycemia. 

For a person with diabetes, it’s exceedingly vital to check blood sugar levels every now and then. Read on to know the normal blood sugar levels in the human body.  

Normal Blood Glucose Levels in The Human Body 

For individuals with diabetes, the normal blood glucose range before eating should be 80-130 mg/dL. After 1-2 hours of eating a meal, the blood sugar level range should be less than 180 mg/dL. 

A reading of over 180 mg/dL after two hours comes under the high blood sugar level range. On the other hand, a blood sugar level under 70 mg/dL is low. 

Symptoms of High Blood Sugar 

High blood sugar or hyperglycemia is an exceedingly common condition. It can be caused due to stress or excessive eating of carbs. It is vital for people with diabetes to monitor blood sugar levels and look out for the signs to take timely action. Here are some of the other sugar level increase symptoms.  

  • Nausea 
  • Extreme thirst 
  • Extreme hunger 
  • Need for repeated urination 
  • Fading of the vision 

Preventing High Blood Sugar Levels

Here are a few ways of preventing high blood sugar:

  • You must test your blood sugar levels often. It becomes all the more vital when you’re not following your usual routine or are sick. Testing will allow you to manage the condition early on. 
  • If your blood sugar levels are too high, consult a doctor as soon as possible. 
  • Try to drink more water and reduce your caffeine intake. 

Treatment For High Blood Sugar

  • Drink a lot of sugar-free beverages.
  • Go for regular walks.
  • Take natural remedies.
  • Avoid going for a walk or exercise if your sugar is above 250 mg/dl.
  • Drink fluid in the form of buttermilk and lemon water without sugar.
  • Correct your diet with the help of a registered dietitian.

If you have persistent sugar level increase symptoms, consult a doctor immediately. They will modify your meal plan, adjust the medical regime and physical activity routine. 

Symptoms of Low Blood Sugar Levels

Also known as hypoglycemia, blood sugar levels can go down when a diabetic person doesn’t consume sufficient food. Read on to know some of the other symptoms of low blood sugar. 

  • Anxiety 
  • Sweating 
  • Weakness 
  • Hunger 
  • Irritability 
  • Dizziness 
  • Fast heartbeat 

You may show any of these symptoms if your blood sugar drops suddenly. In many cases, people also suffer from low blood sugar even though their levels are higher.  

For instance, if the blood sugar level was 300 mg/dL for a week and suddenly lowered to 100 mg/dL, it can also be a symptom of low blood sugar.

Preventing Low Blood Sugar 

Here are some of the ways to prevent low blood sugar problems. 

  • Do not skip your meals. Consume them on time. 
  • Try to avoid taking a shower immediately after an insulin shot. 
  • Stick with your average blood sugar level range management plan religiously. 

Treatment For Low Blood Sugar 

Fast-acting carbohydrates such as juices, glucose tablets and regular soda are effective ways of controlling low blood sugar. If an individual cannot consume food or drinks, make sugar paste and give it to him/her.

Why is it Important to Know the Symptoms of High and Low Blood Sugar Levels? 

By recognising the sugar level increase symptoms mentioned above, diabetes patients can avoid medical emergencies like diabetic ketoacidosis. The sooner an individual understands these symptoms, the sooner they can test and avoid critical situations.  

A potent way of managing your diabetes is to keep a clear target range. Monitoring blood sugar levels can help eliminate long term diabetes complications. 

What are Some of the Foods that Can Cause a Shift in Blood Sugar Levels? 

1. Sugar-Free Foods 

While such foods are free from sugar, they still contain a lot of carbohydrates. It is essential to check the nutritional facts before digging into sugar-free foods. For instance, Sorbitol and xylitol are sugar-free alcohols capable of boosting your sugar levels.  

2. Sports Drinks 

The goal of sports drinks is to replenish your energy levels quickly. That said, plenty of it contains as much sugar as soda. So they can increase your blood sugar levels. 

3. Yoghurt 

Many types of yoghurts have healthy bacteria. They help enhance digestion and facilitate the balancing of blood sugar levels. However, some contain added sugars that can affect your normal blood glucose level. 

4. Dried Fruits 

While fruits are healthy, dried fruits contain a lot of carbohydrates in a small pack. For instance, three dates have 15gms of carbs. That is why they can cause an upswing in your blood sugar levels.  


While high blood sugar and low blood sugar are severe conditions, they can be controlled by constant glucose monitoring and avoiding certain habits. To make sure that your average blood sugar level is maintained, you must keep a record of it all. It’d allow your doctor to modify the treatment, for instance, the amount of insulin to take, as and when needed. Plus, you’d be able to take the right actions to control your diabetes by monitoring glucose. 

Disclaimer: The information included at this site is for educational purposes only and is not intended to be a substitute for medical treatment by a healthcare professional. Because of unique individual needs, the reader should consult their physician to determine the appropriateness of the information for the reader’s situation.


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Vikram Kishwar

Diabetes has to be taken very seriously