my scalp is red and itchyskin conditions red itchy patchesred circular patch on skin not itchyred raised patches on skin not itchyred round itchy patch on skinred itchy scalp with dandruffbest shampoo for red itchy scalpred itchy flaky scalpitchy scalp and red spotssmall red itchy bumps on scalpred itchy sores on scalpred itchy scabs on scalp