question: Four times during the past 3 weeks, I have noticed one or two small spots of dried blood on my pillowcase in the morning. Although I quit smoking 30 years ago, I often cough at night and am assuming that the blood got coughed up. I ve checked for other possible sources, but I ve not had any ear irritations, nosebleeds, sinus infections, mouth irritations, or skin cuts or irritation that could be causing this. The amount is really small--no more than a couple of drops--but I am wondering if I should see a doc.