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Chemical Exposure Could Be A Cause of Metallic Taste

There are multiple reasons why you may suffer from metallic taste in your mouth. Metallic taste is a taste disorder known as dysgeusia. It is an abnormal or impaired sense of taste that is often described as persistent metallic, bitter, sour, or other bad taste in the mouth. Dysgeusia can develop suddenly or over longer periods of time, and can cause major effects on the taste of foods, leading to changes in appetite and eating habits.

Among the reasons for metallic taste, chemical exposure is one of the most common causes.

Why is Chemical Exposure A Cause of Metallic Taste?

Inhaling high levels of lead and mercury are the leading chemicals that cause metallic taste.


Lead can be harmful to both children and adults and can be found in paint, dust, air, water, and soil. Adults who work on home renovations or work with batteries have a higher risk of lead poisoning.


Mercury can be brought into homes from work sites, broken thermometers, or blood pressure machines. Removing these sources, like not using lead-based paint, is the best way to ensure you do not suffer from chemical exposure. If you think you have been exposed to chemical contact your primary care physician.

What are some other causes of metallic taste?

Oral Health

poor oral health causes metallic taste

Be sure to brush and floss regularly to avoid problems with your teeth and gums, like gingivitis and infections. 

GERD & Acid Reflux

upset stomach due to gerd

GERD itself can cause taste alterations due to the acidity of the excess bile that gets projected up the esophagus.


cold and sinus issues

Colds, sinus infections and upper respiratory infections may change the taste in your mouth.


medication and vitamins

Certain drugs may be related to your metallic taste such as, heart medication, gout medicine, antidepressants, and antibiotics.

Prenatal vitamins, iron or calcium supplements can also be the cause of bitter taste. Watch out for multivitamins with copper, zinc, or chromium too!

Cancer Treatments

cancer treatments and metallic taste

Metallic taste is a common side effect of chemotherapy and radiation.



Change in taste during the first trimester is likely due to a women’s shift in hormones. It can cause a sour or bitter taste, even when not consuming food.

How to Treat Metallic Taste?

There are multiple ways to relieve metallic taste symptoms. Here’s a few home remedies:

  • Citrus fruits
  • Baking soda
  • Saltwater rinse
  • Avoid tobacco & alcohol
  • Chew sugar-free gum or suck on sugar-free candies
  • Green Tea
  • Switch to non-metallic cookware
  • Stay hydrated
  • Practice good oral hygiene
  • Try MetaQil Metallic Taste Oral Rinse!

MetaQil #1 Metallic Taste Oral Rinse

MetaQil is the #1 solution for symptomatic relief of metallic taste. MetaQil’s scientifically designed formula alleviates metallic taste caused by chemotherapy, GERD, and a variety of medications. MetaQil gently cools the mouth and provides instant, long-lasting relief from metallic taste symptoms. It has a mild flavor and does not “sting” the mouth like an every-day mouthwash. Regular use of MetaQil can help patients return to healthy eating and adequate nutrient intake.

85% of participants in a clinical study preferred MetaQil as a remedy for metallic taste

How to use MetaQil?

For best results, use approximately 5 ml (one teaspoon) of MetaQil®, rinse for 30 seconds, and spit out. MetaQil can be used on an as-needed basis. Use alone or after each time you brush your teeth

Important: If you are pregnant or breastfeeding, please consult your physician before using MetaQil. Do not use MetaQil if you are taking any medications that are contraindicated with the product. Please consult with your physician if you have any concerns regarding the use of this product. Keep out of reach of children.

For more information about MetaQil, click here.

What do customers say about MetaQil Metallic Taste Oral Rinse?