Yes this is called the waxing and waning of tics. The tics may evolve and change over time. Edwin it sounds like your son has motor tics. If tics become severe, which they can there are meds to address the different components whether OCD, tics, or ADHD elements. It is a matter of what is the biggest issue. They do believe that many kids either stop or slow ticcing in late teens. The worst is usually between 8 and 12. Oh yeah my son is 9 next month.