What's Wrong I Have Whitish Wormlike Things That Exit By

What's wrong I have whitish wormlike things that exit by skin ,nose you can see them in my blood too seems to be many thing like this but I don't know if there gonna get in vital organs and kill me or my brain and do or act crazy .most of my family think it is my imagination but these are alive and move freely.oncesomeone was giving me a injection and they tried to block the needle, when seen coming out my skin they break when pulled but blown out nose they I are very much alive.tried to preserve in alcohol but dissolved