Overview
South African geranium for bronchitis.
- Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)
- Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)
- Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice
- Standardized extract capsule
- Liquid tincture (alcohol or glycerin)
- Powdered whole herb
- Traditional decoction or tea
Mechanism of action
Antiviral and immunomodulatory.
- · Antiviral
- · immunomodulatory
Effects on the body
Organ system effects
Pelargonium Sidoides modulates innate and adaptive immune responses, including cytokine signaling and barrier function.
Evidence-based benefits
Reduces acute bronchitis duration
Moderate evidencePotential side effects
- · GI upset
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
- ·Autoimmune disease (theoretical immune activation)
- ·Immunosuppressants
Supplement interactions
- Vitamin D3 + K2Foundational immune modulation.
- ZincRequired cofactor for innate and adaptive immune function.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Scientific evidence8Show studiesHide studies
Pelargonium in bronchitis
Matthys H, et al.
468 adults
Reduced bronchitis symptoms.
PubMed: Pelargonium Sidoides — Reduces acute bronchitis duration
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PubMed: Pelargonium Sidoides — randomized controlled trial
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PubMed: Pelargonium Sidoides — meta-analysis
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PubMed: Pelargonium Sidoides — pharmacokinetics
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PubMed: Pelargonium Sidoides — dose response
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Google Scholar: Pelargonium Sidoides — clinical evidence
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