A sprain is an injury to the ligaments around a joint. Ligaments are strong, flexible fibers that hold bones together. When a ligament is stretched too far or tears, the joint will become painful and swell.
Sprains are caused when a joint is forced to move into an unnatural position. For example, "twisting" one's ankle causes a sprain to the ligaments around the ankle.
Symptoms of a sprain include:
- Apply ice immediately to reduce swelling. Wrap the ice in cloth . Do not place ice directly on the skin.
- Wrap a bandage around the affected area firmly, but not tightly, to limit movement. Use a splint if necessary.
- Keep the swollen joint raised about your heart, even while sleeping.
- Rest the affected joint for several days.
Aspirin, ibuprofen, or other pain relievers can help. DO NOT give aspirin to children.
Keep pressure off the injured area until the pain goes away. This usually takes 7-10 days for mild sprains and several weeks for severe ones. Your doctor may recommend crutches. Physical therapy will help you regain motion and strength of the injured area.
When to Contact a Medical Professional
Go to the hospital right away or call 911 if:
- You think you have a broken bone
- The joint appears out of position
- You have a serious injury or severe pain
- You hear a popping sound and have immediate difficulty using the joint
Call your doctor for an appointment if:
- Swelling does not start to go away within 2 days
- You have symptoms of infection, including red, warm, painful skin or a fever over 100°F
- The pain does not go away after several weeks
The following steps may lower your risk of a sprain:
- Wear protective footwear during activities that place stress on your ankle and other joints.
- Make sure that shoes fit your feet properly.
- Avoid high-heeled shoes.
- Always warm-up and stretch prior to exercise and sports.
- Avoid sports and activities for which you have not trained.
Brinker MR, O’Connor DP, Almekinders LC, et al. Physiology of Injury to Musculoskeletal Structures: 1. Muscle and Tendon Injury. In: DeLee JC, Drez D Jr, Miller MD, eds. DeLee and Drez’s Orthopaedic Sports Medicine. 3rd ed. Philadelphia, Pa: Saunders Elsevier; 2009:chap 1, section A.
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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