Sprains affect your joints. Strains affect your muscles. Both usually occur after a fall or sudden movement that violently pulls or twists a part of your body. Chronic overuse of muscles or joints can also cause strains and sprains.
Is having problems breathing or has stopped breathing as a result of being immersed or submerged in liquid. (Remember, children can drown in as little as one inch of water.)
Has had a near-drowning episode