Rubefacient

Rubefacient

[roo-buh-fey-shuhnt]
A rubefacient is a substance for external application that produces redness of the skin e.g. by causing dilation of the capillaries and an increase in blood circulation.

They are believed to relieve pain by a counterirritant effect, and many act via transient receptor potential ion channels. Common medicinal rubefacients include :

Common herbal rubefacients include:

See also

References

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