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A member asked:

Is it possible that allergies cause bad breath?

2 doctors weighed in across 2 answers

Causes of bad breath: Allergic reactions can cause gums to swell and bleed but also stomach problems or stomachallergic reactions can cause bad breath.

Answered 4/16/2013

5.2k views

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Dr. Gregory LaMorte answered

Specializes in Periodontics

Congestion: If your allergies are creating congestion and mucous, they could cause bad breath. However, the most common cause is dental-decay or gum/ bone disease. Have it checked.

Answered 5/13/2013

5.1k views

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