You may also need medications from doctors.Sometimes a central nervous system (CNS) disorder can cause you to have a taste distortion or make things taste different than usual. Both long- and short-term exposure to mercury can be harmful to your health.Removing the source of contamination (like getting rid of the lead-based paint) is the first line of treatment. This can prevent tooth decay and mouth infections.Drink water and chew sugar-free gum to keep away oral infections that could cause a metallic taste in the mouth.Before meals, rinse your mouth with a combination of a 1/2 teaspoon of salt and 1/2 teaspoon of baking soda in 1 cup of warm water.Try using plastic utensils and glass or ceramic cookware rather than metal ones.Try marinating meat in sweet fruit juices or sweet wines or cook with lots of herbs and spices.Some medications can give you a metallic taste in your mouth. A person should always consult a doctor before making any changes to their prescription medications.The following home remedies may help relieve the metallic taste: Impaired taste can lead a person to eat more or less food or to consume too much sugar or salt in their diet. "Dana-Farber Cancer Institute: "How to Reduce Metallic Tastes During Cancer Treatment. "Mayo Clinic: "Periodontitis," "Gingivitis," "Common Cold," Michigan Medicine Rogel Cancer Center: "Food Just Doesn't Taste the Same. Some medications that may cause a metallic taste and fatigue include:A vitamin B-12 deficiency may cause fatigue as it can impair a person’s ability to produce red blood cells, which transport oxygen throughout the body. Many pregnant women also experience fatigue.The hormones in the body fluctuate during pregnancy. MNT is the registered trade mark of Healthline Media. Perhaps switching to a different medication may help. Add tart ingredients like lemon juice, vinegar, or pickles to your meals. Oral infections rising from poor oral hygiene can cause an unpleasant metallic taste in the mouth. Don’t stop taking prescribed medication without first talking to your doctor.“Lead Poisoning: Symptoms & Causes,” “When and how often should you brush your teeth?”Advances in Oto-Rhino-Laryngology: “Neurological Aspects of Taste Disorders.”United States Environmental Protection Agency (Agency for Toxic Substances and Disease Registry): “Mercury Quick Facts, Health Effects of Mercury Exposure.” Adults who do home renovations and/or work with batteries have a higher risk of lead poisoning.Mercury can be brought into your home from industrial sites and broken household items, like thermometers. For example, The taste buds send signals to the brain through the cranial nerves. Any medical information published on this website is not intended as a substitute for informed medical advice and you should not take any action before consulting with a healthcare professional.© 2004-2020 Healthline Media UK Ltd, Brighton, UK, a Red Ventures Company. "CDC: "Antibiotic Prescribing and Use in Doctor's Offices. These dietary changes can cause or worsen other health problems, such as heart disease and diabetes. Check with your doctor and let them know that you are experiencing this side effect. The definition of a bad taste varies from person to person. Taste dysgeusia is a lingering, unpleasant sensation in the mouth that causes a person to experience a metallic, foul, or rancid taste. Dysgeusia is also a symptom of Not brushing and flossing regularly leads to tooth decay and gum disorders, such as periodontitis. An injury within the central nervous system, such as a Additional symptoms, such as confusion, vision problems, a headache, and drooling, may also be present.This change is temporary, and a normal sense of taste should return eventually. These include conditions like Bell’s palsy, multiple sclerosis (MS), and even depression. Taste dysgeusia is a lingering, unpleasant sensation in the mouth that causes a person to experience a metallic, foul, or rancid taste. For some people, the unpleasant taste in their mouth is metallic.For others, it may be bitter or foul, depending on the cause. But other times, you have to try additional methods:See your dentist to clear up any infections around your teeth (periodontitis) or gums.Brush your teeth and tongue twice per day and floss once per day for good oral hygiene. It’s important to avoid or lower you and your family’s exposure to these chemicals.Lead can be harmful to both children and adults. This oscillation can affect the senses, which can cause specific cravings and make some foods or smells seem disgusting.In some cases, a person may experience these symptoms due to kidney damage from poisoning. When something alters the normal function of the taste … You might need to step up your dental hygiene.