penile head bumps

[nh_user_1451567]

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hi everyone...i am noticing small bumps on my penis head when i scratch them they leave skin like this in the photo...can anyone help me with this?..thanks

[nh_user_1395281]

Is it itchy? Did this occur after new sexual partner?

Could be psoriasis.

Does hot water/heat make it worse? Any changes to urine stream?