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What's That Bitter Taste in My Mouth?

By Dr. Rob McVety · March 15, 2024

Learn about dysgeusia — a persistent alteration of taste — and what common causes like medications, GERD, and hormonal changes can do to your sense of taste.

Dysgeusia is defined as a persistent alteration of taste in the mouth. People describe it using terms like bitter, metallic, salty, or rancid.

Causes include:

- Oral factors: Insufficient saliva and poor hygiene allow bacteria buildup, creating unpleasant flavors. - Medications: Chemical compounds in drugs diffuse into saliva, leaving bitter aftertastes. - GERD: Stomach acid reaching the mouth irritates tissues and produces bitter sensations. - Infections: The body's inflammatory response alters taste bud sensitivity during colds. - Nerve damage: Nervous system issues may cause altered taste perception. - Hormonal changes: Pregnancy and menopause shift estrogen levels, affecting taste buds and causing dry mouth.

What to do: Stay hydrated, maintain good oral hygiene, and consult your dentist if symptoms persist.

Have More Questions?

Contact Casco Bay Smiles at (207) 517-7008 or request an appointment with Dr. McVety.

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