Botanical Overview
Urtica dioica (radix), commonly known as Stinging Nettle Root or Nettle Root, belongs to the family Urticaceae. The plant is native to Europe, North America, and Asia. The root is the primary part used medicinally, known for its various actions related to genitourinary and musculoskeletal systems.
Energetics
The root exhibits a cooling temperature and neutral moisture energetics, with bitter and astringent tastes. It is considered amphoteric in tonicity.
Primary Actions
- Anti-inflammatory
- Diuretic
- Astringent
- Demulcent
- Antiandrogenic
Indications
Western
- Benign prostatic hyperplasia (BPH) symptoms
- Urinary tract inflammation
- Allergic rhinitis
- Arthritis pain
Syndromes
- Chronic prostate enlargement
- Urinary disorders
- Inflammatory conditions
TCM
No specific indications documented for root in TCM.
Ayurveda
No specific indications documented.
Unani
No specific indications documented.
Constituents & Mechanisms
The root contains lignans, flavonoids, phenolic acids, sterols, histamine, acetylcholine, and lectins, contributing to its anti-inflammatory, diuretic, and antiandrogenic properties.
Dosage & Preparations
- Decoction of root 2-4 g 2-3 times daily
- Tincture 1:5 in 40% alcohol, 2-5 mL 2-3 times daily
- Standardized extract 120-240 mg daily (for BPH)
Safety & Contraindications
Urtica dioica root is generally well tolerated but should be used cautiously during pregnancy and lactation due to lack of sufficient safety data. Mild gastrointestinal irritation may occur. It may interact with antihypertensive and diuretic drugs by potentiating their effects. Avoid use if allergic to Urticaceae family.
Astrological Correspondences
No well-supported planetary or elemental correspondences documented in reputable sources for Urtica dioica root.
Selected References
- European Medicines Agency (EMA) HMPC Monograph: Urtica dioica L., radix
- Pfaf Plant Database: Urtica dioica – Stinging Nettle Root
- Natural Medicines Comprehensive Database: Nettle Root
- PubMed Review (2014): Phytochemistry and pharmacology of Urtica dioica L.