Blisters after getting black Henna
I get Henna every year while on vacation and maybe one more time on some kind of festival - always black Henna (it's just what they use - I think I've only had brown Henna once) and never had any problems. I also get my hair dyed once a year (even bleach at the tips the last couple of years) and never had a bad reaction to it either.
On Thursday I got black Henna again (a small lizard on my ankle) in a European country while on vacation, today (Saturday, about 48 hours later) I touched the area while out and it kind of burned. I just got home and checked it: It looks like there are a couple of small blisters in the lizard's body (not in the tail though)?!
I googled and it looks like there are other people who've had the same problem and it says that black Henna apparently also isn't safe (didn't know that and, as I said, I've never had any problems). People in other threads recommend getting some cream and oral antihistamines from the pharmacy. The problem is that it's 11pm on Saturday, pharmacies are long closed and urgent care doesn't exist in my country. I could only go to the regular hospital but it would take me about an hour to even get there and there'd probably be a multi-hour wait.
I do have an old tub of Advantan (contains cortisone or something like it) that I use for neurodermatitis flare-ups. I also have an Aloe body lotion that I use for sunburned skin. Would either of those work instead? Definitely going to go to my GP on Monday if it's not gone by then (I currently do not have a dermatologist as my old one sadly retired).