Dislocation

Overview
A dislocation is an injury to a joint — a place where two or more of your bones come together — in which the ends of your bones are forced from their normal positions. This injury temporarily deforms and immobilizes your joint and may result in sudden and severe pain.

Causes
Sports injuries
Trauma
Falls

Symptoms
Visible deformation
Swelling
Discoloration
Intense pain
Immovability

Diagnosis
Physical examination and medical history consultation
X-ray
MRI

Treatments
Reduction (placing bone back in position)
Application of ice and heat
Rest
Immobilization
Pain medication
Surgery
Rehabilitation

Source: https://www.mayoclinic.org/