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What Medical Reasons Cause a Metal Taste in a Person's Mouth?

A metallic taste in the mouth, or dysgeusia, is a common side effect of a wide variety of medical treatments and medications, and is sometimes a symptom of a medical condition.

  1. Medications

    • Common medications like Clarithromycin, which treats respiratory infections and ulcers, and Captopril, which treats high blood pressure, heart failure and kidney problems, can cause a metallic taste.

    Lead Poisoning

    • Lead poisoning can cause a metallic taste in the mouth, along with loss of appetite, headache, personality changes and abdominal pain.

    Mercury Poisoning

    • One symptom of mercury poisoning is a metallic taste. Mercury poisoning can occur by eating seafood with high mercury levels, and getting fillings or vaccines that contain mercury.

    Oral Conditions

    • Disorders and conditions of the mouth are a common cause of a metallic taste and include periodontis, gingivitis, infections and general poor oral hygiene.

    Supplements

    • Mineral and vitamin supplements, such as prenatal vitamins and selenium, can also cause a metallic taste.

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