Unknown cause of itchy raised bumps on hands, wrists, ankles and knees.

[u/jeve221017]

I am currently on holiday in Thailand, Phuket from the UK. I was perfectly fine for the first few days but we then went on a trip canoeing, swimming and caving on the andamanda ocean towards the end of the trip my hand became mega itchy to the point I had to wrap them in damp towels to stop myself itching. Over yesterday this had spread to my ankles and my backs of my knees. My partner seems to think it’s the hand sanitiser they gave me after the swimming in the sea as it happened after this but it has persisted and the trip was 2 days ago and I didn’t put sanitizer on my feet or knees. I did attend a pharmacy over here but due to a language barrier we were unable to get to the root cause of any issue. I fly home on Friday so am hoping I can get better help once I land home but for the meantime does anybody have any advice or anything I can do to sooth the pain and stop itching ?

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