Sever's disease (calcaneal apophysitis) is the term used to describe irritation (inflammation) of the calcaneal apophysis. This condition often occurs before or during the growth spurt in boys and girls, or shortly after they begin a new activity. Sever's disease is common is running and jumping sports.
Sever?s Disease is thought to be caused by several reasons. Growth spurts. The muscles and tendons become tight due to rapid bone growth. Overuse. Sever?s Disease can also occur in children who are athletically active and overwork his or her muscles. Some physicians are beginning to caution parents about checking their children?s shoes to make sure they fit well and do not pinch or put undue pressure on the child?s feet. Pronation can also bring on Sever?s Disease.
Severs causes swelling, pain and tenderness over the back of the heel. Your child may walk with a limp. Initially the pain may be intermittent occurring only during or after exercise. As the problem gets worse, pain may be present most of the time. The swelling increases and is painful when touched or knocked. It commonly affects boys who are having a growth spurt during their pre-teen or teenage years. One or both knees may be affected.
You may have pain when your doctor squeezes your heel bone. You may have pain when asked to stand or walk on your toes or on your heels. You may have pain in your heel when your doctor stretches your calf muscles. Your doctor may order x-rays of the injured foot to show an active growth plate.
Non Surgical Treatment
If the problem is bad enough, it is important to totally rest the symptomatic foot. Take a break from sport activity until the pain has significant improvement. Severe cases will need to be treated with a cast boot. Anti-inflammatory treatments include Icing, Over-the-counter anti-inflammatory medicine as recommended by your pediatrician or podiatrist. Shock absorption and support. Don't go barefoot at home, wear some type of good sandal or shoe. A significant and/or chronic case should be treated with prescription orthotics. This addresses mechanical problems that cause this problem, Using an over-the-counter heel cushion inside of the shoe, Athletic foot taping, Stretching. Runners stretch to stretch out the calf muscle. A night splint will also help. Severe or chronic cases respond best to prescription orthotics with specific modifications for this problem. May require a night splint. Daytime braces that may also help.