Michelle-I've always gotten a bright red left facial cheek and what looks like rashing on my left arm from mid bicep to mid forearm. No clue as to why only those areas but I can tell before I look that my cheek will be bright red. It coincides with my feeling really lousy. It was happening all the time about
a few weeks ago. I follow Better Health Guy on Facebook and he posted an article on MCAS with the title Mast Cell Activation Syndrome (MCAS): When Histamine Goes Haywire…
www.jillcarnahan.com/2016/10/31/mast-cell-activation-syndrome-mcas-when-histamine-goes-haywire/I found it really helpful. I added both Benedryl and Zyrtec to start and that really helped. I stopped the Benedryl after 2 days but have stayed on the Zyrtec.