It happens in the morning because your lungs is at rest and your throat is filled with phlegm and while your sleeping you cough up. coughing causes rupturing of cappilaries causing blood inyour phlegn it is basically hemoptysis.
Common cold viruses are the ones that most commonly cause phlegm in your throat.
Black-looking phlegm can be caused by old blood that either ran down your throat from your mouth or nose due to a cold or dry membranes or from similar old blood in your bronchial tubes from a lung infection or bronchitis. Having bloody sputum (phlegm) is called hemoptysis. Phlegm can be colors ranging from white to black and the color is often, but not always, in streaks in the sputum. Yellow, brown, green, red, pink, and black phlegm are all reasons to see your doctor to determine the cause. See the related question below for more information about causes of black phlegm.
Black-looking phlegm can be caused by old blood that either ran down your throat from your mouth or nose due to a cold or dry membranes or from similar old blood in your bronchial tubes from a lung infection or bronchitis. Having bloody sputum (phlegm) is called hemoptysis. Phlegm can be colors ranging from white to black and the color is often, but not always, in streaks in the sputum. Yellow, brown, green, red, pink, and black phlegm are all reasons to see your doctor to determine the cause. See the related question below for more information about causes of black phlegm.
Black bile, yellow bile, phlegm and blood.
The black phlegm is caused caused by tar being built up in the lungs. This is caused by exsessive smoking or coming in to contact with smoke regularly
Phlegm in the throat can be super annoying but in all reality, phlegm and mucus serves an important role in the human body. Phlegm and mucus acts like the oil in a car does; it makes the engine move.
Red color to phlegm means that blood is coming from somewhere. Somehow, some small blood vessels have broken. It can be just a small streak of red up to all red with clots. If it continues and gets worse; see the doctor.
According to the beliefs of ancient Greek and Roman physicians they are black bile, yellow bile, phlegm and blood, this is right but... Black bile is when you eat something and vomit after Yellow Bile is the same or could be coughed out Blood and phlegm can be sneezed out your nose or coughed out
Phlegm is formed when the mucous membranes in your body try to fight infections. Phlegm is made of mucous, dead bacteria and virus, and dead white blood cells.
Go and see a qualified medical practitioner (a Doctor) for a diagnosis.
phlegm