not sure if before or after increase in dosage, but he would flick his fingers out, often enough for us parents to notice, and
be somewhat concerned. We watched and
it did go away, after about 5 days. Now for the last 5 days, I have occasionally noticed during the day, repeated head jerking. Either sideways, as if to flick hair back, or a guick nodding movement, or a guick back and forth movement, and all repeated more often than I like.