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Read your query.

Burning mouth sensation as you have mentioned is usually of unknown cause, though some conditions like severe vitamin deficiency, stress ,dry mouth, diabetes , GERD ,allergies can aggravate the condition.

I would advice you to get a complete blood profile to rule out any systemic conditions like diabetes, thyroid,nutritional deficiencies and get them treated.

Drink lots of fluids and keep hydrated,avoid carbonated drinks .
Avoid alcohol and reduce stress.

Hope this was useful.

Thanks and regards.

Thanks for your query, I have gone through your query.
The possible causes for burning mouth syndrome includes local, systemic and psychological factors. Consult a oral physician and get it ruled out. In the primary burning mouth syndrome, The patient’s symptoms are managed appropriately with topical anesthetic and analgesics like anabel gel, apply 3-4times daily before food.
Subjects with Secondary BMS should initially be treated for the precipitating factors of this disorder. Depending on the type of salivary dysfunction, xerostomia is controlled with seven-day periods of saliva substitutes or saliva-stimulating agents. BMS patients with anxiety are treated with mood-altering drugs in BMS include anti-depressants.
Patients who do not respond to any of the above treatments (resistant BMS) should undergo "cognitive" or "cognitive/behavior" therapies by qualified psychotherapists since the BMS has a psychological etiology.
I hope my answer will help you, take care.