The right corner of the mouth always feel saliva, may be oral ulcers, tongue infection, cerebral infarction, facial nerve palsy and other causes.
1. Oral ulcers: due to the presence of inflammation and infection of the oral mucosa, will form a stimulus to the local nerves, resulting in increased secretion of saliva by the glands in the oral cavity, which may cause the right corner of the mouth always feel saliva.
2. Tongue inflammation: due to the inflammatory reaction of the tongue mucosa, under the stimulation of inflammation, it can lead to an increase in the secretion of saliva, which may be manifested in the right corner of the mouth always feel salivation, and may be accompanied by dry mouth, tongue pain and other symptoms.
3. Cerebral infarction: due to local ischemia of brain tissue, resulting in damage to brain nerves, inducing brain dysfunction, which may cause dysphagia as a symptom of neurological deficits, which may result in the constant feeling of drooling at the right corner of the mouth, and may be accompanied by unfavorable speech, numbness of the limbs on the left side, and other symptoms.
4. Facial nerve palsy: usually due to craniocerebral surgery, brain tumors and other factors, resulting in damage to the facial nerve, causing paralysis of the facial muscles, there may be a constant sensation of drooling in the right corner of the mouth, which may also be accompanied by crooked corners of the mouth, weakness of the teeth and other manifestations.
The right corner of the mouth always feel drooling, exclude physiological factors, should promptly consult a doctor, after clarifying the cause, give targeted treatment.