Single bump on penis

i have a small bump on penis and have been with it for 5 days ...doctor said nothing to worry and pus will come out in 3 days as he said there is white like thick item came out while popped...but when will it heal ..could you guys help

image

It looks like a pimple bro. The head will pop out soon

thanks @howard12346 but after poped out no pain in that area ..will it heal by itself or any STI

It should just heal, but if you suspect you have a sti go get tested only way to find out.