Taryaq in Unani Medicine means Fadzeher (Antidote): These are those drugs, which counter act to poisons. Like Jadwar (Delphinium denudatum root) is single drug. Mechanism of action of antidote is explained as, when it reaches in blood, it changes arrangement of poison and so
weakens the power of action of poison. As if poisons are acidic and
antidote is alkaline, it will change the media.