My Scalp Burns And Itches Intermittently. .no Flakes, No Rash,

my scalp burns and itches intermittently. .no flakes, no rash, no sores etx. I have been treating with Ketoconazole shampoo with no improvement. Clovetasol tropionate topical ointment on scalp after washing with the keto shampoo. fluocinonide o.o5 liquid also applied to scalp.
I have been using these three meds on my scalp for 5 months and there is no change.