Diabetes Mellitus Overviews


Diabetes mellitus is a chronic medical condition that affects how your body processes blood sugar. It is a common condition that affects millions of people worldwide. In this training material, we will explore the types of diabetes mellitus, their causes, symptoms, diagnosis, and treatment.

Types of Diabetes Mellitus

There are two main types of diabetes mellitus: Type 1 and Type 2.

Type 1 diabetes occurs when the immune system attacks and destroys the insulin-producing cells in the pancreas. This results in a lack of insulin, which is needed to convert glucose (sugar) into energy for the body’s cells. Type 1 diabetes usually develops in children and young adults, but it can occur at any age. It is estimated that only 5-10% of people with diabetes have Type 1 diabetes.

Type 2 diabetes occurs when the body becomes resistant to the effects of insulin and the pancreas is unable to produce enough insulin to compensate. Type 2 diabetes is the most common type of diabetes, accounting for 90-95% of all cases. It is typically diagnosed in adults but can also occur in children and adolescents.

Causes of Diabetes Mellitus

The causes of diabetes mellitus vary depending on the type of diabetes.

Type 1 diabetes is thought to be an autoimmune disease, which means the immune system mistakenly attacks the body’s own cells. In the case of Type 1 diabetes, the immune system attacks and destroys the insulin-producing cells in the pancreas.

Type 2 diabetes is caused by a combination of factors, including genetics and lifestyle. Being overweight, having a sedentary lifestyle, and having a family history of diabetes are all risk factors for Type 2 diabetes.

Symptoms of Diabetes Mellitus

The symptoms of diabetes mellitus can vary depending on the type of diabetes and the severity of the condition. However, some common symptoms of diabetes mellitus include:

  • Increased thirst and urination
  • Fatigue and weakness
  • Blurry vision
  • Slow-healing wounds or frequent infections
  • Tingling or numbness in the hands or feet
  • Dry skin and itching

If you experience any of these symptoms, it is important to talk to your doctor.

Diagnosis of Diabetes Mellitus

To diagnose diabetes mellitus, your doctor will likely perform a blood test to measure your blood sugar level. If your blood sugar level is high, you may need to take another test to confirm the diagnosis.

In some cases, your doctor may perform additional tests to determine the type of diabetes and to check for any complications.

Treatment of Diabetes Mellitus

The treatment of diabetes mellitus typically involves making lifestyle changes, taking medications, and monitoring blood sugar levels.

Lifestyle Changes: Eating a healthy diet that is low in sugar and saturated fat and high in fiber can help manage blood sugar levels. Regular exercise can also improve insulin sensitivity and help control blood sugar levels.

Medications: There are several types of medications that can help control blood sugar levels, including insulin, oral medications, and injectable medications. Your doctor will work with you to determine the best medication(s) for your individual needs.

Monitoring: Regular monitoring of blood sugar levels is important for managing diabetes mellitus. Your doctor may recommend that you check your blood sugar level several times a day, especially if you take insulin.

Prevention of Diabetes Mellitus

There are several ways to reduce the risk of developing diabetes mellitus, including:

  • Maintaining a healthy weight
  • Eating a healthy diet
  • Exercising regularly
  • Quitting smoking
  • Limiting alcohol consumption
  • Getting regular check-ups with your doctor


Diabetes mellitus is a serious medical condition that requires proper management to prevent complications. By following a healthy lifestyle and working closely with your healthcare team, you can take control of your condition and lead a healthy life.

Here under are some of sources that provide reliable information on diabetes mellitus, including its types, symptoms, prevention, and management.

These sources provide reliable information on diabetes mellitus, including its types, symptoms, prevention, and management.


This blog provides general information about health and related subjects. The information and other content provided in this blog, or in any linked materials, are not intended and should not be construed as medical advice, nor is the information a substitute for professional medical expertise or treatment.

If you or any other person has a medical concern, you should consult with your health care provider or seek other professional medical treatment. Never disregard professional medical advice or delay in seeking it because of something that have read on this blog or in any linked materials.

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