Which treatment works the best and fastest for osgood schlatter disease?

Rest. Osgood-schlatter's is a very common condition in pre teen children age 13 -14 who are increasingly active in sports. It is due to the patellar ligament of knee cap not being completely fused to the tibia as the bone is still growing along the growth plate this causes significant inflammation and pain at top of the tibia below the knee. Best treatment is rest and decreased activity until better.
Manage Pain, stretch. The most common treatments for osgood-schlatters include rest/ activity modification, ice, compression, anti-inflammatories, massage and therapeutic stretching that focuses on the muscles of the upper leg (hamstrings & quads). Individuals with osgood schlatter may partipate in activity to limits of pain tolerance without concern.