September 2014 in “International Journal of Dermatology and Venereology”
Certain histaminereceptors (H2R, H3R, H4R) have unique roles in treating skin diseases, with H2R helping with chronic urticaria and other conditions, H3R providing pain relief and allergy benefits, and H4R reducing inflammation and itchiness.
A user on dutasteride and oral minoxidil for two years has experienced worsening hair loss and an itchy scalp. Suggestions include increasing medication doses, trying other treatments like RU58841, getting a scalp biopsy, and addressing potential inflammation through diet and topical treatments.