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Warning Signs of Diabetes: What Every South African Need to Know

Reviewed by Getadoc Team4 min read Updated 1 April 2026
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Diabetes is a group of diseases that result in too much sugar in the blood. This makes it a pressing health concern worldwide and in South Africa. Recognising the early warning signs can help manage the condition more effectively and prevent complications. 

Here are some critical signs to be aware of:

Excessive Thirst and Increased Urination: One of the primary and earliest symptoms of diabetes is feeling unusually thirsty. The body tries to flush out excess sugar through increased urine output, leading to dehydration. Blurry Vision: Difficulties seeing can be caused by high blood sugar levels. This can cause fluid to be pulled from the lenses of your eyes, affecting your ability to focus and causing blurry vision. This symptom can be mistaken for many other issues, but it's essential to get it checked if it persists. Fatigue: Feeling overly tired or lethargic can be due to the body's inability to use sugar for energy properly. Constant Hunger: Even after eating, if there's a persistent feeling of hunger, it might be due to the body's inability to get energy from our food. Unexplained Weight Loss: Even if our eating habits haven't changed, rapid weight loss can occur because the glucose in your bloodstream cannot enter the cells. The body begins burning fat and muscle for energy. Frequent Infections or Slow-Healing Wounds: Elevated sugar levels can lead to a reduced ability to heal and an increased susceptibility to infections. Darkened Skin Areas: Some people with diabetes display darkened patches, often in the armpits or neck. This condition is called acanthosis nigricans. If you or someone you know shows several warning signs, it might be time to consult a medical professional. While these signs don’t definitively mean you have diabetes, they are a crucial indicator you should not overlook. It's also essential to be aware of the diabetes risk factors. These include obesity, a family history of the disease, a sedentary lifestyle, and a history of gestational diabetes. Regular screening can be beneficial, especially if you possess one or more of these risk factors. One of the primary tests for diabetes is the glucose tolerance test. It measures how your body processes sugar and can indicate if you're at risk or have already developed the condition. The stakes are high when it comes to diabetes. Recognising the early warning signs can make a world of difference. Not only can timely diagnosis prevent complications, but it also offers the best chance to manage the condition effectively. Diabetes might be a significant concern, but it can be managed with awareness, regular screening, and appropriate medical care. So, pay attention to the signs, be proactive, and prioritise health. For a deeper dive into diabetes and its implications, click here to read more. Disclaimer: The above information is intended to increase awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for professional medical advice or treatment. Always seek your doctor's advice or another qualified health professional with any questions you may have regarding your health.

References:

IDF Diabetes Atlas Ninth edition 2019, International Diabetes Federation. 2019. Diabetes Management in Primary Care, 2nd Edition, Jeff Unger. 2012. National Guidelines for Diabetes Management, National Department of Health, South Africa. 2017.

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