Lung Channel
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Which of the following points clears heat and benefits the throat, for sore throat, dry throat, or loss of voice?
LU-10 is the Ying-Spring and Fire point of the Lung channel. Ying-Spring points clear heat, and the Lung channel ascends to the throat, so LU-10 is able to clear heat from the throat. LU-11 also clears heat and benefits the throat, but it's usually used for more severe conditions due to excess only.
Source: "The Lung Channel of Hand Taiyin." A Manual of Acupuncture, by Peter Deadman et al., Journal of Chinese Medicine Publications, 2007, p. 88 [Q129]