How can i most effectively alleviate shin splints in a young child?

Boring answer below.: Rest ice compression nsaids and time.

Avoid activities: First is to avoid the aggravating activity, until symptoms improve. Anti-inflammatory meds (i.e. Children's ibuprofen) may help, as well as supportive and well cushioned shoes. If problems remain recurrent, then formal evaluation by a physician including gait analysis may be helpful.