Avisena Specialist Hospital Logo
Emergency Hotline +(603) 5515 1999
Appointments +(603) 5515 1966
General Line +(603) 5515 1888
Highlights / Articles

Articles

October 13, 2025

Pre-Diabetes: Early Warning Signs and Steps for Prevention

Pre-diabetes has emerged as a growing concern worldwide and among Malaysians, acting as a warning sign that should not be ignored. This condition means your blood sugar levels are higher than normal, but not yet at the level to be diagnosed as type 2 diabetes. Taking early action to address pre-diabetes can help individuals prevent or delay the development of type 2 diabetes, giving individuals the opportunity to safeguard their health and avoid future complications.


What is Pre-Diabetes?

Pre-diabetes is a health condition in which blood glucose levels are elevated above the normal range but do not meet the threshold for a diabetes diagnosis. Generally, pre-diabetes is diagnosed when fasting blood sugar levels fall between 6.1 mmol/L and 6.9 mmol/L, or when a two-hour oral glucose tolerance test result is between 7.8 mmol/L and 11.0 mmol/L. Additionally, an HbA1c test reading between 5.7% and 6.2% also indicates pre-diabetes. These values suggest that your blood sugar is above the normal range but not yet high enough to be classified as diabetes.

According to recent studies and public health reports, a significant number of adults in Malaysia and across the globe have pre-diabetes, often without even realising it. It is estimated that more than 1 in 6 adults are living with pre-diabetes, many of whom are unaware of their condition.

The reason why pre-diabetes matters is simple: it is a warning sign and an opportunity. Left unaddressed, it can progress to type 2 diabetes, increasing the risk of heart disease, kidney problems, vision loss, and other serious complications. However, with timely intervention, pre-diabetes can be managed, and even reversed, through lifestyle changes and regular monitoring.


Early Warning Signs: Common Symptoms and Indicators

One of the challenges with pre-diabetes is that it often develops silently, with few or no obvious symptoms. Still, there are certain early warning signs and indicators that individuals should watch out for. Recognising these signs and taking timely action can reduce the risk of progression.

  • Increased Thirst: Feeling unusually thirsty, even if you are drinking enough water, may indicate elevated blood sugar levels.
  • Frequent Urination: Needing to urinate more often than usual, particularly at night, can be an early sign of blood sugar imbalance.
  • Unexplained Fatigue: Feeling tired or lacking energy despite adequate rest is a common but subtle sign.
  • Blurred Vision: Occasional blurring of vision may occur when blood sugar levels fluctuate.
  • Slow Healing of Wounds: Cuts and bruises that take longer to heal could be linked to higher blood sugar.

It is important to note that these symptoms may not always be present or may be mistaken for other conditions. Regular health check-ups are essential, especially if you are at higher risk.


Risk Factors: Who is at Risk of Pre-Diabetes?

Pre-diabetes can affect anyone, but certain factors make some individuals more susceptible than others. Understanding these risk factors can help you stay vigilant and take proactive measures.

  • Family History: Having a parent or sibling with diabetes increases your risk.
  • Age: The risk rises after the age of 45, but younger people, including children and adolescents, are increasingly being diagnosed due to lifestyle changes.
  • Overweight or Obesity: Excess body weight, especially around the waist, is a major contributor.
  • Physical Inactivity: Leading a sedentary lifestyle is associated with higher risk.
  • Poor Diet: Consuming foods high in refined sugars, fats, and processed items can increase risk.
  • High Blood Pressure and Cholesterol: Having these conditions can also increase your chances of developing pre-diabetes.
  • Ethnicity: People of South Asian descent have a higher predisposition to developing pre-diabetes and diabetes.
  • Polycystic Ovary Syndrome (PCOS): Women with PCOS are at greater risk.

If you relate to any of these risk factors, it is advisable to consult your healthcare provider and consider regular screening for blood sugar levels.


Steps to Prevention: Taking Control of Your Health

The good news is that pre-diabetes does not mean you are destined to develop type 2 diabetes. There are practical, actionable steps you can take to reduce your risk and maintain healthy blood sugar levels.

1. Prioritise a Balanced Diet

Focus on incorporating more whole grains, fresh fruits and vegetables, lean proteins, and healthy fats into your daily meals. Traditional diets, when based on home-cooked, minimally processed foods, are naturally rich in nutrients. Limit the intake of sugary drinks, sweets, fried foods and refined carbohydrates such as white bread and white-flour based products. Including fibre-rich foods like fruits, nuts, brown rice and legumes helps in maintaining steady blood sugar.

2. Get Moving: Regular Physical Activity

Physical activity is key to preventing pre-diabetes from progressing. Aim for at least 30 minutes of moderate exercise, such as brisk walking, cycling, or yoga, on most days of the week. Even simple activities like taking the stairs, gardening, or dancing can make a significant difference. Regular exercise helps your body use insulin more effectively and keeps weight in check.

3. Maintain a Healthy Weight

Losing even a modest amount of weight, like 5–7% of your body weight, can have a positive impact on blood sugar control. Set realistic goals and focus on gradual, sustainable changes rather than drastic diets. Support from family, friends, or a community group can be motivating.

4. Monitor Your Health Regularly

Regular screening for blood sugar, blood pressure, and cholesterol is vital, especially if you have risk factors for pre-diabetes. Early detection enables timely intervention and reduces the likelihood of complications.

5. Manage Stress and Sleep Well

Chronic stress and poor sleep can negatively affect blood sugar levels. Practice relaxation techniques such as meditation, deep breathing, or pursuing hobbies to keep stress in check. Aim for 7-8 hours of good-quality sleep each night to support overall well-being.

6. Avoid Tobacco and Limit Alcohol

Smoking and excessive alcohol consumption have been linked to higher risks of pre-diabetes and diabetes. Quitting tobacco and drinking in moderation, if at all, can improve your health outcomes.

7. Seek Professional Guidance

If you are concerned about your risk or have been diagnosed with pre-diabetes, consult your doctor or a qualified dietitian for personalised advice. Individualised plans are more effective and can address your unique needs and preferences.


The Power of Early Action

Pre-diabetes is not a life sentence, but rather a critical stage where you can take charge of your health. By staying informed about early warning signs, understanding your risk factors, and embracing positive lifestyle changes, you can prevent or delay the onset of type 2 diabetes. Small, consistent steps-like eating balanced meals, staying active, and prioritising regular health checks-go a long way in safeguarding your future.

Remember, prevention is always better than cure. By making health-conscious decisions today, you are investing in a healthier tomorrow for yourself and your loved ones.



Back to Articles