Causes of Bitter Taste in Mouth?

Answer

Dysgeusia is the medical term for an unusual alteration in one's sense of taste, which can manifest as bitterness, foulness, or a metallic experience of everyday flavors. Poor oral hygiene or damage from cigarette smoking is a common cause of dygeusia, and can be addressed by discontinuing cigarette smoking and improving your oral hygiene regimen by flossing and brushing thoroughly.

A vitamin or mineral deficiency, particularly vitamins B-12 or zinc, can lead to altered taste sensations. Problems with the nasal passages can also lead to a metallic or bitter taste in the mouth, as our senses of taste and smell are interdependent. In these cases, the improvement of your nasal condition should lead to the restoration of your sense of taste. Other possible causes include medical conditions such as diabetes, Bell's Palsy, or Parkinson's Disease. Injuries to the mouth can also cause a foul flavor as the mouth heals, and keeping the wounds as clean as possible can help stave off infection and restore your sense of taste sooner.

If an altered sense of taste has occurred suddenly, without injury to your mouth or an obvious cause such as a cold, contact your doctor or medical provider as soon as possible, to rule out any underlying conditions.
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Ask.com Answer for: Causes of Bitter Taste in Mouth
Impaired Taste
Impaired taste means that your sense of taste is not functioning properly. Impaired taste can refer to the absence of taste or an altered sense, such as a metallic taste in the mouth. Most people experience impaired taste on a temporary and partial basis. It’s very rare to lose your sense of taste completely. Causes of impaired taste range from the. . . More »
Source: healthline.com
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