Severe pain at the ankle, especially after a twist, fall, or direct impact
Swelling around the ankle
Bruising or discoloration
Tenderness when touching the ankle
Difficulty or inability to bear weight
Trouble walking or limping
Visible deformity or odd shape of the ankle
Hearing or feeling a pop or snap at the time of injury
Pain that gets worse with movement
Limited range of motion
Numbness or tingling in the foot
Cold, pale, or blue toes or foot
Pain that does not improve with rest, ice, and elevation
Immediate medical evaluation needed if the ankle looks deformed, you cannot walk, or circulation seems affected