What Causes Itching And Pimples On Penis?

hi doctor..
i am thinking due to unptrotected sex my penis is infected by scabies.i am feeling itching and there is 2 3 small pimples like structures also in my penis.now i am working in saudi arabia .i would lik to know the best medicines available in kerala for this.so that i can buy that through my friends.here in saudi arabia i cant find the medicine permethrin cream that is why i am asking a good medicine from kerala please advice me..