yo man, try normal hydrocortizone cream for 3-4 days. i had that issue and worried i had pinworms. turned out i just kept irritating my ass by scratching it because of how bad it was. after a while i just worried i was going my whole life with seriously itchy ass, or parasites, or whatever. it had lasted months, it was awful. i used hydrocortizone on it for a few days and it was over.
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