Suggest Treatment For Small Red Bumps On The Scalp And Nose

I have a couple of very little red bumps ones bigger than the others well there s only four or five and one is like size of the tip of a ball point pen it s small and I am all stuffy in my head and nostril area and we just moved into a new house and I just want to make sure it s not from mold or something if there s even mold in here and I also have four cats in our house that we rescued and one of the cats is very skinny and throws up foam sometimes and it has some white stuff in his eye kinda like cataract or something I was just wanting to make sure it s not a worm or something in the cat and maybe I ve got it or something or can that even happen and I also have like red dots under my skin I ve had one on my wrist for a long long time like when I was in middle school and it s a dot right beside my vain in my right hand I just want u to know just about everything so u can make a good suggestions for this and I also have a bladder problem where it makes me feel like something is ripping and trying to fall and tear out of me my bladder spasms very bad and my old urologist said it s a very advanced case that I had and that he hasn t seen one case that was as advanced and bad as mine but anyways I also twisted my leg and it hurts right under the knee cap well more like on my sheen I don t know if that would have anything to do with this or not but please let me know what s going on please and my lower back and sides have deep pressure in them also