Botanical
Pelargonium sidoides (Umckaloabo)
Also known as: Umckaloabo, South African geranium, EPs 7630
South African geranium root extract with strong evidence for acute bronchitis and respiratory infection treatment.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Bronchitis
- Respiratory infections
- Cough
- Sinusitis
How it works
- Antibacterial activity
- Antiviral effects
- Immunomodulatory
- Increases ciliary beat frequency
Dosage
- Typical range
- 30 drops (adults) or 10-20 drops (children) 3x daily
- Timing
- At onset of symptoms, continue 2-3 days after resolution
- With food
- Either way
- Duration
- Up to 3 weeks for acute illness
- Special populations
- Adults and children, bronchitis patients
Forms
- EPs 7630 extract
- Tablets
- Syrup
Safety
Common side effects
- Rare: GI upset
- Skin rash
- Allergic reactions
Contraindications
- Liver disease
- Blood thinning disorders
- Scheduled surgery
Evidence notes
Strong clinical evidence for respiratory infections
Grade A: Multiple well-designed human trials support the main claims.
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.