What does it mean when I cough up blood in the morning in fact I can taste blood in my mouth cavity during my sleep by 5'30am I am bringing in blood in my sputum, it is dark red blood, so it is old blood not fresh, The blood also comes in from my nostril, I also have consistent headaches, sore throat, for over thirty years, I have recently on and off have blood in my urine, that comes and goes. I also constantly feel like I have like Flu fever systems, constantly feeling sick, but have to been sick. This has been on and off foe months, and months.