Chan Su

Venenum Bufonis

Toad Venom (Dried Secretion)

Heat-Clearing

About this herb

A potent dried toad secretion used in very small, carefully prepared amounts for toxic swellings.

This entry is a quick reference for now — we haven't written a full, in-depth write-up for Chan Su yet.

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PinyinChan Su

Chinese蟾酥

Latin (pharmaceutical)Venenum Bufonis

EnglishToad Venom (Dried Secretion)

CategoryHeat-Clearing

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This entry is a plain-language reference, not a guide to diagnosis or treatment. Herb names, properties, and categories can vary between texts and traditions — always confirm with a licensed practitioner before using any herb.