How long does it take for burning mouth syndrome to go away?

Whatever pattern of mouth discomfort you have, burning mouth syndrome may last for months to years. In rare cases, symptoms may suddenly go away on their own or become less frequent. Some sensations may be temporarily relieved during eating or drinking. Most of the patients will experience at least a partial improvement in symptoms within few weeks to a few months of treatment. For those with long-term symptoms (that may last 6-7 years or longer), the intensity of burning tends to remain fairly stable at a manageable level, although some patients will return to normal without any residual burning.