Cold sores according to Chinese Medicine

Catechu might help with cold sores

Why might Catechu (Er Cha) help with cold sores?

Because it is a herb specifically indicated to treat cold sores as can be seen on Catechu's page.

Catechu is a Neutral herb that tastes Bitter and Pungent. It targets the Heart and the Lung.

Its main actions are: Clear Phlegm. Clears Heat and drains Dampness. Applied externally for stopping bleeding.

Read more about Catechu here

Other symptoms often associated with cold sores

Cough with hot phlegm Excessive thirst Bleeding Eczema Bleeding hemorrhoids