Diabetes: 10 Warning Signs You Should Never Ignore
Diabetes: 10 Warning Signs You Should Never Ignore
Diabetes Can Develop Quietly
You eat your normal meals. You go to work. You continue with your everyday life.
Then something changes.
You are suddenly thirsty all the time. You visit the toilet more frequently. You feel unusually tired. Your eyesight becomes blurry. Perhaps you are losing weight without trying.
Many people may dismiss these changes as stress, ageing or simply being tired.
Sometimes, however, they can be signs of diabetes.
Diabetes is a chronic condition in which the body does not produce enough insulin or cannot use insulin effectively. When blood glucose remains too high, it can gradually damage blood vessels, nerves and organs.
The World Health Organization reported that the number of adults living with diabetes increased from about 200 million in 1990 to 830 million in 2022, with the burden rising particularly rapidly in low- and middle-income countries.
That makes diabetes an important subject for Nigerian and African families.
What Is Diabetes?
When we eat, carbohydrates and other nutrients are broken down into glucose, which provides energy for the body.
Insulin helps glucose move from the bloodstream into cells where it can be used for energy.
With diabetes, this system does not work properly.
There are several types of diabetes, including type 1, type 2 and gestational diabetes. Type 2 diabetes accounts for more than 95% of diabetes cases, according to WHO.
Type 1 diabetes occurs when the body stops producing insulin and requires insulin treatment.
Type 2 diabetes involves the body not using insulin effectively and, over time, may involve inadequate insulin production.
Gestational diabetes occurs during pregnancy and can increase the future risk of type 2 diabetes.
10 Warning Signs of Diabetes
1. Constant Thirst
Do you find yourself drinking water much more frequently than usual?
Excessive thirst can be one of the symptoms associated with diabetes.
When blood glucose becomes too high, the kidneys work to remove excess glucose through urine, which can contribute to increased fluid loss and thirst.
But remember: thirst can have many other causes.
Persistent or unusual thirst deserves medical attention, particularly when it occurs alongside other symptoms.
2. Frequent Urination
Another common warning sign is urinating more frequently than usual.
Some people may notice that they are visiting the toilet repeatedly during the day or waking several times at night.
Frequent urination is one of the recognised symptoms of diabetes.
If this is a new and persistent change, don't simply assume it is because you are drinking more water.
3. Unexplained Weight Loss
Losing weight without intentionally changing your diet or exercise routine deserves attention.
Unexplained weight loss can occur when the body cannot properly use glucose for energy and begins using other sources of energy.
It is particularly important when weight loss occurs together with excessive thirst and frequent urination.
4. Persistent Tiredness
Everyone gets tired.
But persistent or unusual fatigue can sometimes be associated with diabetes.
When the body cannot use glucose effectively, a person may feel unusually tired or lack energy.
Don't automatically blame constant exhaustion on work, family responsibilities or lack of sleep.
If it continues, talk to a healthcare professional.
5. Blurred Vision
Changes in blood glucose can affect the eyes and cause blurred vision.
Persistent or unexplained changes in vision should never be ignored.
Diabetes can also cause damage to the blood vessels of the eyes over time, potentially leading to serious vision problems.
If your vision changes suddenly or significantly, seek prompt medical attention.
6. Increased Hunger
Some people with diabetes may experience increased hunger.
The problem is not necessarily a lack of food.
The body may have difficulty using glucose properly for energy, leaving a person feeling hungry despite having eaten.
When increased hunger occurs together with thirst, frequent urination or unexplained weight loss, medical evaluation becomes particularly important.
7. Recurrent Infections
Repeated infections can sometimes occur in people with diabetes.
The CDC lists frequent urinary tract infections and yeast infections among possible symptoms.
This doesn't mean that every infection indicates diabetes.
But recurrent or unusual infections are worth discussing with a healthcare professional.
8. Slow-Healing Wounds
A wound that seems to take unusually long to heal deserves attention.
Diabetes can damage blood vessels and nerves, and this can contribute to problems with wound healing and foot health.
This is particularly important for people who have already been diagnosed with diabetes.
9. Tingling or Numbness
Long-term high blood glucose can damage nerves.
This may result in sensations such as tingling, burning, pain or numbness, particularly in the feet and hands.
A person might initially think they simply slept awkwardly or have poor circulation.
Persistent symptoms should be evaluated.
10. Sometimes There Are No Symptoms
This may be the most important warning of all.
Type 2 diabetes can develop gradually and may produce mild symptoms—or no obvious symptoms—for years.
That is why people at increased risk should discuss appropriate blood-glucose testing with a healthcare professional.
You don't have to feel sick before getting checked.
IMAGE: Recognising the Symptoms
6Image caption: Persistent thirst, frequent urination, unexplained weight loss, fatigue and blurred vision can be symptoms of diabetes.
Who Is More Likely to Develop Type 2 Diabetes?
Some risk factors cannot be changed.
Others can.
According to the CDC, risk factors for prediabetes and type 2 diabetes include overweight or obesity, older age, having a parent or sibling with type 2 diabetes, low physical activity and a history of gestational diabetes.
Family history is particularly important.
If your parents or siblings have type 2 diabetes, tell your healthcare professional.
Your family history is useful information when assessing your risk.
What Is Prediabetes?
Before some people develop type 2 diabetes, their blood glucose may become higher than normal but not yet reach the diagnostic range for diabetes.
This is often called prediabetes.
One of the challenges is that prediabetes may have no obvious symptoms.
The good news is that progression to type 2 diabetes is not inevitable.
For people with prediabetes, healthy lifestyle changes can reduce the risk of developing type 2 diabetes.
How Is Diabetes Diagnosed?
Diabetes cannot be reliably diagnosed simply by looking at someone's symptoms.
It requires blood glucose testing.
WHO identifies tests such as fasting plasma glucose and oral glucose tolerance testing among the methods used to assess blood glucose.
Depending on the situation, healthcare professionals may use different tests, including an A1C test, which reflects average blood glucose levels over a period of time.
If you think you may have diabetes, visit a qualified healthcare professional rather than attempting to diagnose yourself from symptoms alone.
Why Early Detection Matters
Diabetes isn't simply about having "too much sugar."
Uncontrolled diabetes can affect multiple parts of the body.
Over time, high blood glucose can damage the:
- ❤️ Heart and blood vessels
- 👁️ Eyes
- 🧠 Nerves
- 🫘 Kidneys
- 🦶 Feet
Diabetes is associated with increased risk of heart attack, stroke and kidney failure and can cause vision loss, nerve damage and serious foot complications.
The earlier diabetes is identified and appropriately managed, the better the opportunity to reduce or delay complications.
Diabetes and Your Eyes
Your eyes contain tiny blood vessels that can be damaged by prolonged high blood glucose.
Diabetic eye disease can eventually threaten vision.
That is why people living with diabetes should follow their healthcare professional's recommendations for regular eye examinations.
Don't wait until you cannot see properly before taking your eye health seriously.
Diabetes and Your Feet
Foot health is particularly important for people living with diabetes.
Nerve damage can reduce sensation, meaning a person might not notice a small cut, blister or injury.
Poor blood flow can also make healing more difficult.
A small foot injury can therefore become a serious problem if ignored.
People with diabetes should follow professional advice about foot care and seek medical attention for wounds or infections that are not healing normally.
Can Type 2 Diabetes Be Prevented?
Type 1 diabetes cannot currently be prevented.
But type 2 diabetes can often be prevented or delayed, particularly among people at increased risk.
Important lifestyle measures include:
Eat a Balanced Diet
A healthy diet should emphasize a variety of nutritious, minimally processed foods while limiting excess sugar, unhealthy fats and excessive calorie intake.
This does not mean Nigerians must stop eating traditional foods.
It means paying attention to portions, preparation methods and how often highly processed, sugary or energy-dense foods are consumed.
Stay Physically Active
Regular physical activity helps improve overall health and can reduce the risk of type 2 diabetes.
WHO recommends adults aim for at least 150 minutes of moderate physical activity each week.
Walking is a perfectly reasonable place to start.
Maintain a Healthy Weight
For people who have overweight or obesity, even modest weight loss can help reduce the risk of type 2 diabetes.
Don't Smoke
Avoiding tobacco is important for overall health and can reduce the risk of serious diabetes-related complications.
IMAGE: Prevention Starts With Everyday Choices
6Image caption: Healthy eating and regular physical activity can help reduce the risk of type 2 diabetes and support overall wellbeing.
Don't Believe Every "Diabetes Cure" You See Online
This is especially important.
You may see claims online that a particular herb, drink, tea or supplement can "flush sugar out of the body" or permanently cure diabetes.
Be careful.
Diabetes is a medical condition that can require ongoing monitoring, lifestyle management and, for some people, medication.
WHO states that diabetes can be treated and its complications can be prevented or delayed through appropriate diet, physical activity, medication and regular screening.
Do not stop prescribed diabetes medication because someone on social media recommends a herbal remedy.
Discuss supplements or alternative treatments with a qualified healthcare professional.
The Health & Wealth Connection
Why is diabetes part of our Health & Wealth Series?
Because your health and your finances are connected.
A person who develops serious complications may face medical expenses, reduced ability to work and additional responsibilities for family members.
But the story isn't meant to frighten you.
It is meant to encourage you to act early.
A simple health check can reveal a problem before complications develop.
And healthier habits can benefit your body, your productivity and your long-term quality of life.
Your health is an asset. Treat it like one.
When Should You See a Doctor?
Speak with a healthcare professional if you experience persistent:
- Excessive thirst
- Frequent urination
- Unexplained weight loss
- Extreme tiredness
- Blurred vision
- Increased hunger
- Recurrent infections
- Slow-healing wounds
- Tingling or numbness
You should also discuss diabetes testing if you have important risk factors such as a strong family history, overweight or obesity, low physical activity or previous gestational diabetes.
If symptoms are severe or develop rapidly—particularly with vomiting, rapid breathing, severe weakness or confusion—seek urgent medical care.
The Bottom Line
Diabetes doesn't always announce itself.
Sometimes there is no dramatic warning.
Sometimes the signs are so mild that people ignore them for years.
That's why awareness matters.
Know the warning signs. Know your risk. Get checked when appropriate.
And if you are diagnosed with diabetes, remember that the diagnosis is not the end of your story.
With appropriate medical care, healthy lifestyle choices and regular monitoring, diabetes and its complications can be managed, and many complications can be prevented or delayed.
Take care of your health today—because your future depends on it.
Medical Disclaimer
This article is for general health education and is not a substitute for professional medical advice, diagnosis or treatment. Symptoms discussed above can have many causes and do not by themselves establish a diagnosis of diabetes. Anyone concerned about their symptoms or diabetes risk should consult a qualified healthcare professional and undergo appropriate testing.
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