The change of tongue coating from white greasy to yellow greasy is often seen in the cold and dampness of the evil evil and heat, or the new sense of summer dampness, dampness and heat and other evils triggered, the specific needs to be combined with the relevant symptoms and other diagnostic analysis.
White and greasy tongue coating is mostly seen in spleen deficiency and dampness, blocking qi; or phlegm, cold and dampness, etc. cohesion body, blocking yang qi and so on. Yellowish greasy tongue coating is mostly caused by phlegm-heat, summer-dampness, or dampness-heat and other evils that are trapped in the body and the qi is not smooth, etc. If you see white greasy tongue coating, it will gradually become greasy. If you see the tongue coating white greasy, gradually turned yellow greasy is mostly due to cold and damp, phlegm and other evil qi for a long time, congestion and heat.
If the tongue is white and greasy and turns yellow and greasy, it can also be seen in the sudden attack of new evils, such as summer dampness, dampness and heat, wind and heat and other evils caused by the attack, and the condition of more rapid change.
If the tongue is greasy or yellowish with other physical discomfort, you should consult a doctor in time, under the guidance of the physician to avoid delaying the condition.