Amputation is performed in situations where a limb cannot heal due to severe tissue damage, uncontrollable infection, or disease. Additionally, amputation may become necessary when conditions such as gangrene pose a threat to other parts of the body or to the patient's life. Trauma or disease leading to prolonged interruption of blood flow, which causes tissue death, is among the primary reasons requiring amputation.

Conditions leading to amputation include traumatic accidents, severe infections, frostbite, congenital abnormalities, or chronic illnesses. The most common cause of amputation is non-healing wounds, particularly those resulting from insufficient blood flow in the limb.

The main reasons for amputation are:
* Frostbite
* Gangrene resulting from tissue death
* Cancerous tumors in the limb
* Peripheral artery disease or arterial blockages
* Neuroma or thickening of nerve tissue
* Severe traumatic injuries
* Non-healing or infected wounds due to diabetes