It is also stated: If, after more than ten days of Shaoyang disease (Cold Damage), the condition remains unresolved and transmits to cause throat pain, accompanied by external signs such as cyanotic lips and a curled tongue, this belongs to a disease affecting the Jueyin Meridian (Jueyin Channel). It is difficult to treat.
It is also stated: Dryness and pain in the throat without phlegm indicate an incurable condition.