What are the main causes of decubitus ulcers?

The main cause is pressure from being in the same position for too long. Usually decubitus ulcers are found in people who are bedridden and don't have frequent positions changes.

pressure sores. people who are confined to chairs or beds will get sores on pressure points.
poor blood flow contributes to this breakdown.

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　　Dengue 　　Dementia 　　Dehydration 　　Degenerative Nerve Diseases 　　Degenerative Joint Disease 　　Deep Vein Thrombosis 　　Decubitus Ulcers 　　Deafness 　　Cytomegalovirus 　　Cystitis 　　Cystic Fibrosis 　　Cushing Syndrome

Related information

Decubitus ulcers. What is happening to the cells in the body?

It is a pressure sore. The cells are necrotic thus the tissue is breaking down causing an open wound. Left untreated they can lead to a person's death.

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Common diseases/conditions that put someone at risk of decubitus ulcers other than a CVA?

Any conditions that cause immobilization for a long period of time. Also, poor nutrition contributes. These conditions could be a spinal cord injury (para or quadriplegia), orthopedic injuries, b...