The fact that there is associated
hair loss,a fungal infection and
seborrheic dermatitis have to be considered here .These are conditions that usually involve the scapl and may lead to hair loss.
Take antihistamines for the itching. Also, continue using the topical medications and try to observe your condition. If there are any possible known triggers like abrasive soaps and cleansers, food, heat, smoke and alcohol, avoid them as much as possible.