Health information to help you understand symptoms. It isn't a diagnosis.About OwieClear
Check symptoms

Separated shoulder (AC joint injury)

Also called: Separated shoulder, AC joint injury

A sprain of the joint where the collarbone meets the top of the shoulder, often from falling on the shoulder.

Common inContact sports, cycling
TreatmentSling, rest, therapy
Heals2 to 12 weeks

Overview

A bump on top of the shoulder is common.

Symptoms

Common signs:

  • Shoulder pain after a fall on it
  • Bump or pain at the top of the shoulder after a fall

Less common

  • Bump on top

When to get medical care

Call 911A bone poking through the skin, a limb that looks bent, or a cold, pale, or numb hand or foot.
Get care todaySevere pain or deformity.
See a doctor soonPain lasting weeks.

Causes

Falls on the shoulder.

Who is more likely to get it

  • Athletes

Diagnosis

A clinician examines.

Tests

Tests, if needed:

  • X-ray:

Treatment

Rest it.

Self-care

  • Sling for comfort
  • Ice
  • Gentle motion as pain allows

Medicines

Medicines that may help:

MedicineHelps withGood to know
Pain relievers
Pain and swellingAsk first if you have kidney, stomach, or heart problems.

OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.

Surgery for severe cases.

Which doctor treats this

  • Urgent care or the ER can treat it first. For minor problems, your primary care provider can help.
  • They may send you to an orthopedist (bone and joint doctor).
  • A physical therapist can help with exercises to rebuild strength and motion.

Back to school, work, or sports

  • Recovery time varies. Ask your care team when you can drive, lift, work, and exercise.

Outlook

Most heal.

Research studies

Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.

Search ClinicalTrials.gov for studies on Separated shoulder (AC joint injury)

Sources

Last updated 2026-11-12.