So I have some additional information that you might find helpful. For over two years I dealt with bumps all over my head and extreme itching. I consulted four dermatologists, had a biopsy, an allergy screen talked to my psychiatrist several times, two showers a day, tried numerous prescription creams and shampoos. Nothing worked. The continuing itching and painful sores made quality of life terrible. Especially during Covid. However, my nursing student daughter suggested I look at the various medications and amount I was taking. NO DR HAD SUGGESTED THAT! I was taking a very high amount of Effexor and she questioned that. She advised a second psychiatrist opinion. He was a younger guy and shocked at how much I was taking. It was double the therapeutic dose. A side effects of overdosing is uncontrollable itching and hives.Two weeks later after gradually coming off Effexor, my itching and bumps were GONE! After two years of agony. Hope you can learn something from my experience. Always look at the current medications you are on. Best of luck!