Sudden blackening of the tongue may be related to eating food with melanin, if no other discomfort occurs, it is a normal physiological phenomenon, or it may be caused by mold infection, gastrointestinal dysfunction and other pathological reasons.
1. Physiological phenomenon: the sudden blackening of the tongue may be caused by eating food with melanin, resulting in tongue coloring, such as eating chocolate, mulberry, black beans, black sesame and other foods, if no other discomfort, it is a normal physiological phenomenon, through brushing, gargling can be relieved.
2. Mold infection: when the patient’s tongue is infected with various bacteria, mold and other microorganisms, there is a pathological state, especially mold, which may lead to the tongue coating become black or brown.
3. Gastrointestinal dysfunction: When patients have symptoms of gastrointestinal dysfunction such as bloating, constipation, nausea, poor appetite, etc., especially some patients with severe constipation, their tongues may suddenly turn black.
It is recommended that patients seek medical examination in time to clarify the cause of the disease and then carry out targeted treatment, pay attention to a light diet in life, avoid eating spicy, stimulating food, and pay attention to monitoring the condition, regular review.