The symptoms of a sprain are almost exactly the same as that of a broken bone. When in doubt, first aid for sprains are:- Immobilize the limb, apply a cold pack, elevate it, and take anti-inflammatory drugs. Take these steps for a suspected sprains:
• Don't try to straighten it.
• Stabilize the limb using a splint and padding to keep it immobile.
• Put a cold pack on the injury, avoiding placing ice directly on the skin.
• Elevate the extremity.
• Give anti-inflammatory drugs like ibuprofen or naproxen. See your doctor for further diagnosis and treatment.