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What could cause blood in mucus, dizziness, weakness and headache ?

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General & Family Physician
Practicing since : 2010
Answered : 157 Questions

I was just sitting down using my computer when all of a sudden I tasted blood in my mouth, thus, I went to spit the blood out. I saw that it wasn't mixed up with mucus and that there was a lot of dark blood as I have been gathering them in my mouth without knowing it was blood. Blood diminished bit by bit as I was repetitively trying to spit it out to work out from where it may of came from. I know it came from the upper respiratory system rather than from the lower as I did not cough it up or anything. I also did not have any blood in my nose which I found it unusual as the blood came from the upper, thus, I am really worried it might of come from my brain. Soon after, I've started feeling dizzy, weak and a headache, so I went to lie down for a couple of hours which then got rid of the pain. But when I woke up to use the internet, I've started to feel the symptoms lightly again. I would very much appreciate any helpful response or opinions on this matter.

By the way, this is the first time this has occurred to me.
Fri, 18 May 2012 in Ear, Nose and Throat Problems
Answered by Dr. Sunil.N 2 hours later
Hi ,

Thanks for your query.

First of all i want to give medical facts before discussing your problem because if you come to know the origin of blood you will better understand the possibilities.

Blood can origin from the 3 possible ways.
1.Nose .
2. Pharynx, larynx, bronchus,etc
3.Esophagus, stomach.

Color of the blood is used to differentiate the above conditions, bright red color is seen in nasal bleeding and the respiratory tract bleeding.while bleeding from the esophagus and stomach is dark red color because of the acid(hydrochloric acid which is present normally) in the stomach.

Spontaneous bleeding from any of the above source is unusual without any past medical history(nasal polyp,bronchitis,peptic ulcer) and history of trauma.

Now coming to your query, since the bleeding has happened without any other symptoms(like cough, Vomiting, abdominal pain and bleeding from stomach will be massive) Except for the nasal bleeding the other possibilities are unlikely.

Bleeding from the brain as you thought as a reason is unusual since there is no history of head injury in your case.Bleeding from brain doesn't comes to mouth since brain in ensheathed by membranes and bones, which doesn't allow blood to reach the mouth.

Since the bleeding is spontaneous,first time and not bright color plus associated with dizzy, weakness and a headache ,the bleeding might have been from posterior nasal, can happen because of High BP,which is unusual in your age .

To know the exact cause please consult a ENT specialist who will examine your nose, throat and the exact cause can be made out and don't forget to check your BP.

Hope this helps you.

Above answer was peer-reviewed by
Follow-up: What could cause blood in mucus, dizziness, weakness and headache ? 16 hours later
Hi Dr. Sunhil.N,

Firstly, I really appreciate and would like to thank you for your exceptional response above. I understand them clearly as opposed to visiting my local GP for consultation. However, I do have some additional information I might want to add incase it may mean anything to you. In addition to the symptoms above, my heart was fast paced as well during the headache and dizziness, does that mean anything? I believe now that the bleeding was from posterior nasal as you have stated, however, the weird thing was I did not have any blood in my nose at the time when I tried picking it with my finger to see if there was any blood in there and I am quite confident to say that there wasn't any in the outer part of the nose, so is it possible that the bleeding came from somewhere behind the inner part of the nose?

I would also like to point out that I was extremely under stress right before this has occurred, therefore, I believe the stress has contributed to the sudden high blood pressure. Would I correct? And does this mean I would not need to go to the doctors for further consultation?

Thanks once again.
Answered by Dr. Sunil.N 7 hours later

Thanks you for your follow up query.

Anxiety and stress can increase the heart rate , its a normal phenomenon and it is part of the symptoms that you have experienced.

Posterior nasal bleeding usually trickles down to the throat and not to the front it is common to not visualize the bleeding through the front part of the nose.

Stress can increase the blood pressure and heart rate.
You to have to get examined by the ENT specialist and check your BP once, as i have not examined you clinically, it is for your benefit please have a check up.
Avoid stress in your life as much as possible.

Hope this helps you.

Wish you good health.
Above answer was peer-reviewed by
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