A strong metallic taste in your mouth is a condition known as dysgeusia and can be due to various reasons such as copper, mercury or lead poisoning, dental infections like periodontitis or gingivitis, a tooth abscess, infections caused due to dental caries, and simple lack of dental hygiene. Some other medical conditions that are also known to lead to a lack of taste are jaundice, gastritis and acid reflux. The cause must be identified before you attempt a home remedy, as you may need medical attention.
Problems with the digestive system can cause dysgeusia, hence the root cause must be treated. Gastritis, which involves inflammation of the stomach lining, can be treated either by consuming green tea extracts in a capsule form or as a tea. Green tea has anti-inflammatory properties and is high in antioxidants. Peppermint is also beneficial if taken in enteric-coated tablet form. Gastro esophageal reflux disease (GERD) is also a cause of dysgeusia, where heartburn and other symptoms are caused by the contents of the stomach moving up into the esophagus. The symptoms other than the metallic taste in the mouth are wheezing, coughing, and belching. The best ways to deal with this condition are to avoid heavy meals and stop consuming acidic beverages that can cause further irritation. In addition, consumption of alcohol and smoking must be stopped immediately. Other possible causes are excessive use of nasal drops: post usage of nasal drops, the liquid usually tends to run down the back of the throat, causing a foul metallic taste in the mouth. This can be counteracted by using eucalyptus oil to relieve sinusitis and peppermint to alleviate colds. Peppermint can be had in the form of herbal tea by steeping a teaspoon of the herb in hot water for 10-12 minutes and drinking 4-5 cups every day.
Another major cause of dysgeusia as mentioned earlier is poor dental hygiene, dental caries, or some other infection. These can be remedied by maintaining better dental hygiene - brushing twice a day and using a good mouthwash. Similarly, baking soda can be used instead of toothpaste once a day, as it restores the pH balance in the mouth and removes the metallic taste. Medications can also cause a metallic taste in your mouth, but here you must consult your doctor before changing your medicines. In any case, as mentioned earlier, the factors that cause this condition can be very serious, and so a doctor must be consulted to check the possible causes before trying any home remedies.