Depending upon the cause of your burning tongue and mouth, the most appropriate treatments will vary.  If the cause of your sensation is excess acidity, then:   choosing more alkaline foods (vegetables, non-processed soy, soaked nuts , dark leafy greens etc. ), neutralizing acids through mineral salts (calcium, magnesium, cell salts, alkalizing powders, baking soda etc.), drinking sufficient pure  filtered alkaline water and improving the elimination of acids through castor oil packs, hydrotherapies, etc. will be helpful.  There are many homeopathic remedies which may be useful in alleviating this condition.  Consult a trained homeopath to provide the most appropriate remedy for you.  Consider any pharmaceutical drugs you are taking to ensure these are not producing unwanted side effects.  There are many other potential causes for this condition, so please consider seeking the advice of a trained health care practitioner to determine the most appropriate treatment plan.  http://www.countrydoc.com

Dr. Karen Benton, Naturopathic Physician

Burning tongue, also termed as burning mouth syndrome (BMS), glossodynia, glossopyrosis and oral galvanism is prominent in middle and old aged people. Dry mouth, Numbness of tongue, Thirst, Burning sensation in mouth and tongue, Sore mouth and Loss of taste are the symptoms.
Try these easy-to-do tips!

1.Chew a sugar free gum to relieve the condition.
2.Sucking an ice cube is beneficial in relieving pain.
3.Intake of certain drugs results in burning mouth. Avoid such drugs.
4.Brushing your teeth with baking soda proves helpful than a toothpaste.
5.Avoid intake of antidepressants, as they contribute to dry mouth.
6.Reduce the intake of hot and spicy foods.

For further knowledge on burning tongue, refer,
http://www.home-remedies-for-you.com/remedy/Burning-tongue.html