Old beer flavor: can be seen in patients with lymphoid tuberculosis.
Peanut smell: This smell in your mouth indicates that you may have taken some tetramine by mistake.
Garlic smell: People who are poisoned by organophosphorus pesticides or take the rodenticide zinc phosphide by mistake sometimes have a special smell similar to garlic in their mouths.
Rotten apple flavor: can be seen in diabetic patients. When the condition of diabetic patients worsens, due to the production of a large number of ketone bodies, a rotten apple-like smell will be emitted from the mouth.
The wine cellar smells musty: it can be seen on patients whose wounds are infected by bacteria.
Sour taste (refers to the sour taste of sweat): It can be seen in rheumatism.
Sour taste: visible in indigestion. Because food accumulates in the stomach, the exhaled gas is often sour.
Ammonia smell (that is, urine smell): It can be seen in patients with nephritis. When renal failure occurs, due to abnormal metabolism, the contents of creatinine and urea nitrogen in the body increase, and there is a special ammonia smell in the mouth.
Mildew smell: this smell is often found in the mouth, suggesting that the liver is sick. The breath of patients with severe liver disease even has this smell, which is called "liver odor".
Rot odor: mostly caused by unclean mouth. Some old people and children don't brush their teeth in the morning and evening, and the accumulated tartar and food residues embedded in teeth or cavities will ferment and rot, giving off a rancid smell.
Purulent odor: This odor in the oral cavity is common in suppurative rhinitis, paranasal sinusitis, nasal foreign body or lung abscess. The focus of these diseases forms ulcer, erosion and suppuration, which will cause purulent halitosis. When lung abscess and bronchiectasis are complicated with infection, in addition to spitting out a lot of purulent sputum, the exhaled air often smells bad.
Fecal odor (refers to the smell of fecal odor in the patient's vomit): It can be seen in acute peritonitis and intestinal obstruction, and should be sent to the hospital immediately for rescue.
Bloody smell: It can be seen in patients with gingival bleeding, upper gastrointestinal bleeding and bronchiectasis.