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Nettle (stinging nettle, urtica dioica): Dosing and Uses

 

Classes: Urology, Herbals

Medically reviewed by Min Clinic Staff | Updated: January 2026

Suggested dosing of Stinging nettle, urtica dioica (nettle)

4 g whole herb steeped 10 min hot water, TID-QId

770 mg dried extract PO BId

 

Suggested uses of Stinging nettle, urtica dioica (nettle)

Mild diuretic (sap), decr BPH symptoms (root)

 

Efficacy

Possibly effective for listed uses

 

Stinging nettle, urtica dioica (nettle) adverse (side) effects

Diarrhea

May cause allergic reaction (rare)

 

Warnings

Contraindications

Diabetes, impaired cardiac or renal function

 

Pregnancy and lactation

Pregnancy category: N/A

Lactation: N/A

 

Pregnancy categories

A: Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.

B: May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.

C: Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.

D: Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.

X: Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.

NA: Information not available.

 

Pharmacology of Stinging nettle, urtica dioica (nettle)

Metabolism: N/A

Excretion: N/A

 

Mechanism of action

Anti-inflammatory & hyperglycemic effects

Significant vit C, vit K, K+, Ca++ content