Diabetes doesn’t just affect blood sugar — if it remains uncontrolled, it slowly damages multiple organs including the kidneys, heart, eyes, and even your bones. Many people are unaware that diabetes can increase the risk of bone weakness and certain joint diseases. In some cases, it may even cause a serious condition called neuropathic arthropathy.

Here’s what experts say.

How Diabetes Affects Bones
Professor Dr. Nikhil Tandon, Head of Endocrinology at AIIMS Delhi, explains that some diabetic patients may develop a condition called Charcot joint (neuropathic arthropathy). This happens when nerve damage affects the joints, leading to swelling, numbness, and gradual joint destruction. It is more common in people whose diabetes has been uncontrolled for a long time.

Not every diabetic will face this, but individuals above 45 years and those with consistently high sugar levels are at higher risk.

Why Diabetes Weakens Bones
According to Dr. Tandon, high blood sugar affects bone-forming cells called osteoblasts. When glucose levels remain high for long periods, these cells become less active, slowing down bone formation. This results in weaker bones. Long-term uncontrolled diabetes also causes:

• chronic inflammation
• nerve damage
• reduced bone density

All of this increases the risk of fractures and slow healing.

Symptoms You Should Never Ignore
If you have diabetes and notice these signs, seek medical help:

• Repeated pain from small injuries
• Frequent fractures, even from mild falls
• Wounds or injuries taking longer to heal
• Persistent joint pain or swelling
• Numbness or tingling around joints or feet

These can indicate bone weakness or early signs of Charcot joint.

How to Prevent Bone Damage if You Have Diabetes

• Exercise daily — walking, yoga, and strength exercises help improve bone strength.
• Take vitamin D and calcium as advised by your doctor.
• Avoid smoking and alcohol — both accelerate bone loss.
• Maintain a diabetic-friendly diet and keep sugar levels under control.