Jingles,

To answer your question, it would help to know what symptoms you are seeking relief from.

There is no medication specifically for PCS. It is only the individual symptoms that are treated.

It appears you have been prescribed quite a few drugs. It sounds like quite a roller coaster ride.

Have you done any nutritional supplements? The concussed brain tends to be deficient in many nutrients.

There are also needs to have sleep hygiene disciplines and such.

Let us know so we can address each symptom.