Rhois aromaticae radicis cortex

Rhois aromaticae radicis cortex, also called spice sumac root bark, is a drug used in herbal medicinal products for the treatment of inflammatory diseases of the urinary tract and irritable bladder.

Spice sumac root bark contains tanning agents (gallic acid derivatives such as gallotannins, gallocatechin), flavonoids, orcin-beta-D-glucoside and essential oil.

Spice sumac root bark has antiphlogistic, germicidal and bacteriostatic effects.

Spice sumac root bark is used to treat irritable bladder and inflammatory diseases of the urinary tract.

3 x daily 1 teaspoon of the crushed drug per cup as tea or 3 x daily 1800 to 3600 mg aqueous dry extract.

There are no known adverse effects.

There are no known contraindications.

There are no known interactions with other ingredients.

1. Borchert VE et al (2004) Extracts from Rhois aromatica and Solidaginis virgaurea inhibit rat and human blad er contraction. Naunyn Schmiedeberg's Arch Pharmacol 369:281-286.
2. Li X et al (1999) Comparative morphology and physiology of fruit and seed development in the two shrubs Rhus aromatica and R. glabra (Anacardiaceae). On J Bot 86:1217-1225.
3. Reichling J et al(2009) Antiviral activity of Rhus aromatica (fragrant sumac) extract against two types of herpes simplex viruses in cell culture. Pharmacy 64:538-541.
4. Schilcher H (2016) Leitfaden Phytotherapie, Urban & Fischer Verlag Munich, p. 136 f.