Dear Madam, I am having dandruff since 7 years, it is located areas with redness, irritation and oily scale with a yellowish tone, itchiness on the scalp and irritation, rashes and inflammation. Recently I have consultant a doctor, as per treatment I am using Kevon solution Nizaral (keta conazole 2%) and amaphase shampoos. These Nizaral and amaphase shampoos I am using day after day. Could you explain any side effects are there for above medicines.