Is this an STI? What should I do?

had one scab come up last week but more have appeared, happened after i shaved so am hoping its just irritation but looks bad so any help is very appreciated

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hi mate .
you’ll need professional prescription meds.
however something to do by yourself is use scissors and not a razor when shaving down there. wear loose underwear and don’t rub it too much when washing/bathing.

and scabies are definitely an sti. so get to a sexual clinic asap.