2 doctors weighed in:

What can recurring blood in spit indicate? Chest X ray normal. 20 year old male, never smoked, no family history of lung cancer

2 doctors weighed in
Dr. John Scuba
Surgery - Oral & Maxillofacial
1 doctor agrees

In brief: Oral blood

Anytime there is recurrent blood in oral secretions, a thorough exam is in order. While many doctors immediately consider chest or respiratory causes, there are oral gum and tooth conditions, such as periodontal disease or gingivitis which can be the source of blood.
In addition, nasal or sinus disease may result in oral blood. See your dentist, and go from there.

In brief: Oral blood

Anytime there is recurrent blood in oral secretions, a thorough exam is in order. While many doctors immediately consider chest or respiratory causes, there are oral gum and tooth conditions, such as periodontal disease or gingivitis which can be the source of blood.
In addition, nasal or sinus disease may result in oral blood. See your dentist, and go from there.
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Dr. Aaron Milstone
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