After Bite Advanced Formula - Itch Relief with Sodium Bicarbonate - Ideal for Mosquito & Fire Ant Bites, Bees & More - Portable Pen Applicator - 0.5 oz (4 Pack)

I find the best treatment for immediate relief is the original After Bite:https://www.amazon.com/After-Bite-Advanced-Formula-Treatment/dp/B07PJ5TNPP?ref_=ast_sto_dp

You should also bring some after bite sticks. They would to help kill the itch. After Bite on Amazon