
Rhubarb
Rheum(?)
Other names: Rhubarb
Edible plantPhoto credit: sprungli
Safety information
Safety information
Toxicity: Roots are anthraquinone-containing laxatives — overuse causes cramping, electrolyte loss (general knowledge). NOTE: rhubarb leaf blades (a different part) are toxic (oxalic acid) — not the part used here.
Contraindications: (General knowledge) intestinal obstruction, pregnancy, lactation, children; avoid chronic use.
Interactions: (General knowledge) anthraquinone laxatives + diuretics/cardiac glycosides → hypokalemia risk.
Pregnancy & breastfeeding: (General knowledge) avoid.
Evidence level
Reported in folk medicine sources; not clinically validated. Folk and historical sources have not been validated by clinical research.
Preparations
cold maceration · root
Part used: root
Traditional use: against intermittent fever ('ციება', malaria-type fevers); root soaked overnight, water drunk, root saved and reused(Folk and historical sources have not been validated by clinical research.)
Proposed mechanism: Anthraquinone-containing laxative root (general knowledge)
Associated conditions
Edibility
Edible parts: Petioles of cultivated rhubarb are edible cooked, but that is NOT the medicinal root use here.
Toxic lookalike warning
Rhubarb leaf blades are poisonous (oxalic acid); do not confuse the laxative root with edible stalks (wrong-part warning).
Nutritional notes
Petioles: vitamin C, fiber (general).
Healing traditions
Sources (1)
- Lamberti 1991 + karabadini refs (Kananeli 1940), in Mindadze, Masalebi 2020, N1