What is this thing on my penis and scrotum? Please help

it's been 3-4 week i am having these weird lumps on my penis and scrotum, its quite hard to feel and its very itchy can't even able to control itch, they have soe black/brown dot upon it please help me.. i have tried moisturisers, vaseline and coconut oil too but nothing really worked please help, thank you

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i am attaching pics to please help me

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