Gangrene occurs when the death of body tissue results from a lack of blood flow or a severe bacterial infection. It commonly affects the legs and the arms, including the fingers and toes, but it can also occur in the organs and muscles.

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When is amputation needed in people with diabetes?

Query: Hi doctor, A person came asking for our assistance. He lives in the jungle. He reported an injury in his right foot with pain and a burning sensation in his toes and foot. The wound smells bad, and the toes turned black. He did not have a fever. We took him to the hospital, and they advised for amp...  Read Full »

Dr. N. Ashok Viswanath

Answer: Hello, Welcome to I understand your query and acknowledge the picture attached (attachments removed to protect the patient's identity). The images you uploaded are highly suggestive of invasive bacterial infection (gangrene) and may need amputation as advised by your physician, or el...  Read Full »

I am a diabetic diagnosed with gangrene and lower limb blockage. What is the treatment for it?

Query: Hello doctor, I am a diabetic and blood pressure patient diagnosed with lower limb blockage of the leg. Gangrene is present as well.I am worried. What is the treatment for this problem? Please help.Thank you.  Read Full »

Dr. Isaac Gana

Answer: Hello, Welcome to Sorry to hear about your health issues. Based on the results presented (attachments removed to protect the patient's identity), there is severe arterial insufficiency, which is why gangrene is present. Gangrene and lymphadenopathy are a consequence of insufficiency. ...  Read Full »

My sister's palm is getting black and hard. Why?

Query: Hi doctor, My sister's right hand and wrist are aching continuously since the past few weeks. The pain has increased now. She says that under her little finger, the pain is comparatively greater than in the rest of her hand. Her palm has turned black and hard.  Read Full »

Dr. Satpute Ganeshkumar Suresh

Answer: Hello,Welcome to sister may have impeding gangrene due to blocked blood vessels in her hand. She should undergo right upper limb arterial doppler. If the reports show obstruction, then you should immediately consult a cardiovascular surgeon. If possible, please upload a photo of the...  Read Full »

What could be the reason for arthritis with pale violet and gangrene in fingers?

Query: Hello doctor, My wife has arthritis and has become very weak over the last few months. Now she has a condition that is more or less like Raynaud's phenomenon. Her fingers are turning pale violet and one of the fingers had gangrene like occurrence. Not only hands but even the toes are experiencing th...  Read Full »

Dr. Naval Mendiratta

Answer: Hello, Welcome to You are right in saying that she has the symptoms of Raynaud's with digital gangrene which is on going. With arthritis, there are 50 variants of it and it is very important to distinguish which one she has it as the management will differ for every arthritis. I would...  Read Full »

What can cause on and off feet swelling and fluid leak in diabetics?

Query: Hello doctor, This query is for my dad who is 75 years. In the last two months, one week he has been housebound and the initial one month, he was completely bedridden. He slipped twice on the first day. That is how it all started. His right leg could not carry the weight of his body. He is approx 1...  Read Full »

Dr. Noushif. M

Answer: Hello, Welcome to He needs to be seen by a podiatric surgeon, or a surgeon who deals with foot care. Being an elderly diabetic with limb swelling, it is always safe to get a Doppler (both arterial and venous) of the limbs done. Arterial doppler rules out any block or reduced flow an...  Read Full »

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