What is Diabetic Gangrene Foot and How to Prevent it?

By on October 11, 2013

Gangrene is tissue destruction in a person’s body who is affected with diabetes.

It happens when there is not any blood supply to any of the body parts that are cut off due to several factors like trauma, any kind of infection or vascular disease.

In diabetic patients, the immune system is greatly affected and there is also damage to the blood vessels due to higher blood sugar levels running in the body.

In those people, gangrene is the most dreaded form of diabetic foot. There will be a decay or death of the affected foot. Diabetic gangrene foot happens in the individuals who have higher and uncontrollable blood sugar levels.

Diabetic Gangrene FootIn people with diabetic gangrene foot, the higher blood sugar levels can damage the foot nerves and lead to peripheral neuropathy and also roughens arteries walls thus leading to narrowed or obstructed flow of blood.

There are main causative factors that raise the risk of diabetic gangrene foot, such as:

  • Grade 0 –Skin on the foot is intacted
  • Grade I –Formation of surface ulcers
  • Grade II –Formation of deep ulcers
  • Grade III – Bone affliction / Osteomyelitis / deep abscess
  • Grade IV – Gangrene of the front foot
  • Grade V – Back and heels of the foot are also affected or hind foot gangrene

Preventing diabetic gangrene foot:

People with diabetic gangrene foot should consult the doctor for proper diagnosis in order to determine the causative organism as well as the antibiotics that are effective against the infection.

Diabetics with gangrene should need surgical therapy such as debridement and frequent dressing for early healing. During the severe conditions, to save the rest of the foot and also the body from being affected, doctors will suggest amputation of the gangrene area.


In order to prevent the occurrence of diabetic gangrene foot, you should monitor the blood sugar levels frequently and hold tight control of the blood sugar under the normal levels. Also, adequate foot care is needed i.e. diabetics should check the foot every day for infections and any minor injuries.

Maintaining good foot hygiene is also very important like keeping the foot dry and warm. Also, the feet should be rested very often. Visiting the podiatrist once in a year is essential to ensure the foot health.

Diabetics while choosing the shoes should be very careful. Diabetics find specially designed shoes with foot pads and soles that help to prevent the injuries. Avoid wearing tight shoes, flip flops and high heeled ones.

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