Complications of untreated diabetes
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Chronic Complications of Untreated Diabetes: Key Risks
Untreated diabetes leads to persistently high blood sugar, which causes damage to many organs and systems in the body. The most common and serious complications are divided into two main categories: microvascular (small blood vessel) and macrovascular (large blood vessel) complications 1234+5 MORE.
Microvascular Complications: Retinopathy, Nephropathy, and Neuropathy
Diabetic Retinopathy and Vision Loss
High blood sugar damages the small blood vessels in the eyes, leading to diabetic retinopathy. If untreated, this can cause vision impairment and even blindness 1367+2 MORE.
Diabetic Nephropathy and Kidney Failure
The kidneys are also affected, with untreated diabetes leading to diabetic nephropathy. This can progress to chronic kidney disease and, eventually, kidney failure requiring dialysis or transplantation 1346+3 MORE.
Diabetic Neuropathy and Nerve Damage
Nerve damage, or diabetic neuropathy, is another common complication. It can cause pain, numbness, and weakness, especially in the feet and hands. This increases the risk of injuries and infections 1346+3 MORE.
Macrovascular Complications: Heart, Brain, and Peripheral Arteries
Cardiovascular Disease
Untreated diabetes significantly raises the risk of heart disease, including coronary artery disease, heart attacks, and strokes. These are leading causes of death among people with diabetes 2347+1 MORE.
Peripheral Artery Disease and Amputation
Damage to large blood vessels in the limbs can cause peripheral artery disease, leading to poor circulation, pain, and a higher risk of infections and ulcers. In severe cases, this can result in lower-extremity amputations 2345+3 MORE.
Other Serious Complications
Diabetic Foot Disease
Untreated diabetes can cause foot ulcers and infections due to poor blood flow and nerve damage. These foot problems often go undiagnosed and can lead to amputation if not managed early 510.
Increased Risk of Death
All these complications—especially when combined—lead to a higher risk of early death in people with untreated diabetes 1346+2 MORE.
Factors That Worsen Complications
The risk and severity of complications are higher in people with longer duration of diabetes, poor blood sugar control, older age, high blood pressure, high cholesterol, smoking, and poor nutrition 47910. Poor nutritional status at the time of diagnosis is linked to a higher risk of retinopathy, nephropathy, and diabetic foot problems .
Conclusion
Untreated diabetes can cause serious and life-threatening complications affecting the eyes, kidneys, nerves, heart, blood vessels, and feet. Early diagnosis, regular screening, and proper management are essential to prevent or delay these complications and improve quality of life.
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