Postherpetic neuralgia is the most common sequela of herpes zoster. The stagnated toxin pathogen is the pathogenic factor of herpes zoster

and the deficiency of qi

blood

yin and yang is the basis of the disease. The collateral damage that cannot recovery is the key to the pathogenesis of postherpetic neuralgia. At the same time

focusing on the collateral damage

collateral stasis

collateral obstruction and collaterals deficiency of postherpetic neuralgia

the treatment method and commonly used Chinese medicine for clearing heat and detoxifying the collaterals

promoting blood circulation and removing blood stasis

replenishing qi

nourishing blood

repairing the collaterals

extinguishing wind

arresting convulsions

and relieving pain. In clinical practice

the appropriate combination of treatment methods should be used

with the treatment purposes of repairing collateral damage

restoring collateral function

eliminating postherpetic neuralgia.