A shoulder dislocation happens when the ligaments that connect the arm to the shoulder are placed under so much force that the ball at the top of the arm bone separates from the shoulder socket.
Very bad shoulder pain
Trouble moving the arm or shoulder
The shoulder looking out of place or shaped differently
Swelling or bruising around the shoulder
Weakness, numbness, or tingling in the arm or hand
Muscle spasms or tightness
Feeling like the shoulder “popped out”
Sudden, very strong shoulder pain
A popping, snapping, or shifting feeling in the shoulder
The shoulder feeling loose, unstable, or “out of place”
Trouble or inability to move the arm normally
Weakness, numbness, or tingling in the arm or hand
Tightness or muscle spasms around the shoulder
Falling onto the shoulder or an outstretched arm
Sports injuries, especially in contact sports like football, basketball, or wrestling
Car accidents or other strong impacts
Sudden twisting or pulling of the arm
Gently compare both shoulders in a mirror: does one look noticeably out of place?
Try very small movement: does it feel blocked or extremely painful?
Check for tingling, numbness, or loss of strength in the hand/arm
Educational only — not a medical diagnosis.
1Get medical help immediately (urgent care or emergency room)
2Do NOT try to pop the shoulder back in yourself
3Keep the arm still and avoid moving it
Severe pain
Visible changes in how the shoulder normally looks or sits in place
Numbness or tingling feeling in the arm or hand
Rest your shoulder and don’t move it too much
Wear a sling if a doctor gives you one
Use ice packs (wrapped in cloth) to help with pain and swelling
Follow the doctor’s instructions carefully
Do physical therapy or gentle exercises when the doctor says it’s okay
Don’t go back to sports or heavy activity until a doctor says it’s safe
For educational purposes only. Not a substitute for medical advice.