What Is Saliva Blood?: Causes, Symptoms and Treatment

Blood in the saliva is a symptom that can have various causes.

This manifestation can, for example, be observed in the presence of transient infections of the upper airways (sinusitis, laryngitis or pharyngitis), capillary fragility and blood coagulation disorders.

Other causes to take into consideration are dental and include periodontal diseases (alterations of the gums and other dental appendages) of an inflammatory or dystrophic nature. Traces of blood in saliva can be found in cases of oropharyngeal trauma, inappropriate prostheses, chemical damage from ingestion of caustic substances, epistaxis (nosebleeds), excessive use of chewing tobacco and nutritional deficiencies. In some cases, this manifestation depends on the use of anticoagulant or thrombolytic drugs.

Blood in saliva can also depend on gastro-esophageal disorders of various nature, including peptic ulcers, gastritis, varicose veins, esophagitis or neoplastic diseases. Hiatal hernia and gastro-esophageal reflux could also be responsible for blood “spit”.

Bright red blood traces with cough and sputum indicate, in most cases, respiratory tract infections, such as bronchitis and pneumonia. In this context, saliva may appear blood-tinged due to an inflammatory process at the mucous surfaces of the airways.

Blood in saliva can also be a consequence of embolism and pulmonary edema, tuberculosis and cardiac pathologies (including mitral stenosis, left ventricular failure, etc.). Other causes that can induce the appearance of traces of blood in the saliva include bronchiectasis and trauma due to inhalation of foreign bodies or intubation of the airways.

Possible causes of blood in saliva

Blood in Saliva is a common or probable symptom of these diseases

Common causes

Rare causes

By clicking on the pathology you are interested in, you can read further information on its origins and the symptoms that characterize it. Blood in Saliva can also be a typical symptom of other diseases, not included in our database and therefore not listed.

This guide is in no way intended to replace the opinion of doctors or other healthcare professionals responsible for the correct interpretation of symptoms, to whom we refer to obtain a more precise indication of the origins of any symptom.

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