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What causes blood in sputum?

Answered by
Dr. Gaurav Katiyar

General & Family Physician

Practicing since :2008

Answered : 641 Questions

Posted on Tue, 2 Sep 2014 in Ear, Nose and Throat Problems
Question: Hi Doctor, I have an issue which I am very worried about. About 2 weeks ago I noticed blood when I spit, mixed with salivia. I went to a&e. The doctor examined me in terms of making me open my mouth, say ahhh and putting a light to check in my mouth and throat. I have no cough but I am a smoker. When I do cough and bring up mucus, there is no blood. It happens when I gather it up in my mouth and spit out. There is traces of blood (pink coloured as mixed with salivia) This has been going on for 2 weeks now. Its worse at night. I went to see my gp who did the same tests and again said its nothing to worry about. The first doctor said its coming from the throat and isn't the bad type of blood although it feels like its coming from my mouth and not inside. Just over a week ago I went to the dentist who cleaned my teeth and removed my wisdom tooth. There was a lot of bleeding after this. (I went dentist after I saw blood in my salivia). This has all healed now but the traces of blood are still there, still the same and agaion happen a little more at night. Seems to happen when my head is up but this may just be in my mind. Its seems like its coming from my mouth as when I gather it and spit, blood comes out but there are no cust or sores in my mouth although gums are a little red. When I put a tissue in my mouth, no traces of blood are there. Could this be coming from the salivary glands themselves and if so, could this be a serious illness? It seems to gather more from the left side on my mouth. My ear seems to be blocked for a few seconds in the morning but this has been happening for months and I am not sure if its related.
Answered by Dr. Gaurav Katiyar 1 hour later
Brief Answer:
most likely from mouth

Detailed Answer:

I have gone through query.
As you have mentioned that you had wisdom tooth removal few days back and blood comes when saliva is kept in mouth for some time. Most probably origin of blood is not from throat but in oral cavity. It can be from the cavity formed by removal of tooth. There may not be active bleeding but saliva may be accompanied with blood clots or fresh blood from cavity.

In my opinion there is no need to worry and wait for some more time. Saliva with blood will stop gradually. You can visit your dentist to see if inside of cavity is completely healed as you have mentioned outside gums are still red.

Hope I have answered you.

Wish you good health
Dr. Gaurav Katiyar
For further queries you can contact me directly on
Above answer was peer-reviewed by : Dr. Prasad

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