Sprain or Fracture? How to Tell After an Injury

The most common myth about distinguishing sprains from fractures is "if you can walk on it, it's not broken." This is wrong. Plenty of fractures — particularly in the foot, ankle, ribs, and small bones of the hand — are perfectly walkable.

Symptoms of sprain and fracture overlap so substantially that imaging (usually X-ray) is often the only way to know for sure. Most extremity X-rays are quick, low-radiation, and inexpensive when done at urgent care.

Symptoms common to both

• Pain, especially with movement or weight-bearing
• Swelling around the affected joint or bone
• Bruising — sometimes immediate, sometimes hours later
• Limited range of motion
• Tenderness when you press on the area

Symptoms that suggest fracture is more likely

• Obvious deformity — the limb looks "wrong"
• Bone visible through skin (open fracture — call 911)
• Inability to bear weight at all
• Crepitus — a grinding or crackling sensation with movement
• Point tenderness directly over a bone (vs. tenderness over a ligament/tendon)
• Pop or crack heard at the time of injury
• Numbness or tingling in the limb
• Cold, pale, or pulseless limb distal to the injury

The Ottawa rules (used by clinicians)

For ankle injuries, emergency physicians use validated criteria. You'd benefit from imaging if:

• Pain in the malleolar zone AND bone tenderness at the back edge or tip of either malleolus, OR
• Inability to bear weight (walk 4 steps) at the time of injury and at the time of evaluation

The Ottawa rules don't tell you whether something IS broken; they identify when imaging is warranted.

What we do at urgent care

• History. Mechanism of injury, what happened immediately after, prior injuries.
• Physical exam. Inspect for swelling and deformity, palpate for tenderness, test range of motion, check distal pulses and nerve function.
• X-ray on site if indicated. Most extremity X-rays take under 5 minutes. Read same visit.
• Treatment: Splinting or air cast for stabilization, crutches if needed, pain control, follow-up plan.
• Referral to orthopedics if the fracture needs reduction or surgical evaluation.

When to skip urgent care and go to the ER

• Open fracture — call 911
• Severe deformity
• Cold, pale, or pulseless limb below the injury
• Suspected hip fracture (older adults after a fall who can't bear weight)
• Spine injury with significant neck or back pain after trauma
• Multiple injuries or high-energy mechanism
• Head injury with loss of consciousness, persistent vomiting, or confusion

What to do at home before coming in

The "RICE" approach:

• Rest. Don't continue to use the injured area.
• Ice. 15-20 minutes at a time, several times per day, first 48 hours.
• Compression. A wrap or ACE bandage.
• Elevation. Above heart level when possible.
• Ibuprofen or acetaminophen for pain.

Walk in for same-day injury evaluation with X-ray on site

Sage Urgent Care has a digital X-ray system on site. Most injury visits take 30-60 minutes from check-in to walking out, including imaging if needed. Open every day from 8 AM to 8 PM.