Depends: Most commonly this is from gingivitis/periodontitis/gum disease...See your dentist for eval and thorough cleaning. Less common, bleeding ulcer/discharge from sinus/ulcerations in mouth or throat.
Answered 8/6/2020
5.7k views
Gingivitis: Actually you could have a number of different issues but gingivitis is the most common reason to have blood in saliva. Advanced periodontal disease can also cause blood in saliva. I would get checked by a dentist to rule out any of the above and if you're oral health checks out fine then go to your regular md for an evaluation.
Answered 8/7/2018
5.7k views
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