Strange Red Bump On Foreskin

Men's health
1

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It only showed up a few days ago but I can't nail down what it is. Its not painful but when I touch it, it feels tender or a bit sore. Not itchy but it's become frustrating. I do masturbate often so it maybe caused from that as I've had no sexual activity in the past few months.
2

It looks like several things combined. Yes it could be linked to the amount of masturbation you are doing, but there could also be an infection going on.
Try to ease back on the amount of masturbation - take a break for as long as you can and see whether this will fade naturally on its own