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Bad breath
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14 possible causes of 'Bad breath'

1. Bad Breath (Halitosis)
Bad breath, also called halitosis or oral malodor, is when an unpleasant odor emanates from the mouth.Many th...

Symptoms:

  • Bad breath
2. Sinus Infections (Sinusitis)
A sinus infection, or sinusitis, is a common condition that affects 31 million people in the United States ea...

Symptoms:

  • Eye pain
  • General weakness
  • Feels hot to touch
  • Jaw pain
  • Bad breath
3. Dental Cavities
Dental cavities are permanently damaged areas that often develop into holes in the enamel, or hard outer surf...

Symptoms:

  • Bitter taste in mouth
  • Facial swelling
  • Unpleasant taste in mouth
  • Bleeding gums
  • Bad breath
4. Gum Disease (Gingivitis)
Gingivitis is an infection of the gums. If left untreated, it can become a more severe infection known as per...

Symptoms:

  • Unpleasant taste in mouth
  • Mouth lesions
  • Bleeding gums
  • Swollen gums
  • Bad breath
5. Enlarged Adenoids
Adenoids are small tissues located at the back of the throat. They are similar to the tonsils, and located ri...

Symptoms:

  • Restless sleep
  • Decreased sense of smell
  • Nasal obstruction
  • Bad breath
  • Snoring
6. Intestinal Obstruction
Intestinal obstruction occurs when there is a blockage of your small or large intestine. The blockage prevent...

Symptoms:

  • Fecal incontinence
  • Change in bowel habit
  • Chronic pain
  • Gas
  • Bad breath
7. Getting a Handle on Aspiration Pneumonia
Aspiration pneumonia is an inflammation of your lungs and bronchial tubes. It happens after you inhale foreig...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Bitter taste in mouth
  • Coughing up blood
  • Grey skin
  • Blood tinged sputum
  • Bad breath
8. Pharyngitis
Pharyngitis is inflammation of the pharynx-the back of the throat. This can cause a sore throat, as well as s...

Symptoms:

  • Headache
  • Throat irritation
  • Fever
  • Swollen lymph nodes
  • Bad breath
9. Stomach Cancer (Gastric Adenocarcinoma)
Gastric cancer, also known as gastric adenocarcinoma, is a cancer that forms inside of the stomach. It is the...

Symptoms:

  • Heartburn
  • Blood in vomit
  • Abdominal distension, gaseous
  • Abdominal bloating
  • Bad breath
10. Alcoholism
Alcoholism is also known as alcohol dependence. It occurs when you drink so much over time that your body bec...

Symptoms:

  • Abnormal heart rhythms
  • Combative behavior
  • Heart rate altered
  • Self-depreciation
  • Bad breath
This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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