TCM Evils otherwise known as the 6 Pernicious Influences are External causes of disease according to Traditional Chinese Medicine.
Due to overexposure they invade the body and cause disharmony.
They can be Exterior or Interior.
They may invade alone or in combination, usually through the mouth, nose, or skin - or in the case of Wind the nape of the neck.
Wind, Damp, Cold, Dry, and Summer Heat have a seasonal association and have a relationship with a specific organ.
Wind, Dryness, Summer-Heat, and Fire are Yang pathogenic factors, which injure Yin.
Cold and Dampness are Yin pathogenic factors, which injure Yang.
They always correspond to a Full pattern but may be associated with a Deficiency.
An Evil can give rise to Deficiency or a Deficiency can give rise to an Evil.
There are many different patterns of disharmony associated with the 6 Evils, in which case symptoms, tongue appearance, and pulses would all vary accordingly - there are simply too many to list in this chart.
Symptoms, tongue appearance, and possible pulses listed in the chart are all general unless otherwise stated.