Loss of Taste and Burning Sensation in the Mouth Home A-Z Health Information Health Library A-Z Loss of Taste and Burning Sensation In The Mouth Overview Loss of taste and a burning sensation in the mouth can be caused by a variety of factors. The possible causes are as follows: Causes: InfectionsViral infections (COVID-19 or herpes)Fungal infection (oral thrush)Nutritional deficienciesVitamin deficiencies, especially vitamin B complex, zinc, and ironSide effects of certain medicationsCertain medications can affect taste and cause mouth irritationAllergiesAllergic reactions to specific foods or environmental factors can cause burning sensations.Oral health issuesGum diseases, tooth infections, or oral lesions can cause burning sensation in the mouth.Neurological conditionsCertain neurological disorders like Alzheimer’s, Parkinson’s, multiple sclerosis may alter taste perception Prevention and care: Maintain good oral hygieneRinse your mouth with water after every meal and brush and floss your teeth regularly to prevent infections and improve oral health.Stay hydratedDrink plenty of water to relieve dryness in the mouth.Have a nutritious dietEnsure a balanced diet rich in essential vitamins and minerals.Avoid mouth irritantsAvoid spicy, acidic, or overly hot foods that may exacerbate burning sensations. Change your toothpaste if it causes mouth irritation and burning. Avoid smoking or chewing tobacco, which can cause further irritation of the lining of the mouth. When to seek medical attention: Seek prompt medical attention if the burning sensation in your mouth persists despite using simple remedies, or if accompanied by severe symptoms such as swelling and difficulty breathing; or fever.