Geraniaceae
Umckaloabo
Pelargonium sidoides
✓ Generally Safe
Caution in Pregnancy
Native to: South Africa (Lesotho, Eastern Cape)
Also known as: African Geranium, South African Geranium, Kalwerbossie
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Parts Used
Root
Therapeutic Uses
Acute bronchitis (multiple RCTs — EPs 7630/Umcka formula significant efficacy), community-acquired pneumonia, acute rhinosinusitis, URTI. Well-validated respiratory herb with unique dual mechanism.
Herbal Actions
Antiviral (direct virucidal), immunomodulator (NO and cytokine release), antibacterial, expectorant, anti-adhesive (prevents bacterial attachment)
Active Constituents
Coumarin derivates (umckalin, 7-hydroxycoumarin, scopoletin), polyphenols, flavonoids, phenolic acids (caffeic, gallic), tannins
Preparation Methods
🏺 Tincture💊 Capsule
Traditional Preparation Notes
| Herbal Tea | Not standard — tincture is primary form |
| Tincture | EPs 7630 (standardized tincture): 30 drops 3x daily for adults, 10 drops 3x daily for children 1–6 years |
| Notes | EPs 7630 (Umcka ColdCare, Umckaloabo): most clinically studied pelargonium preparation. Start at onset of symptoms. Full clinical efficacy data available. Commonly sold as Umcka in US, Umckaloabo in Europe. |
Safety Information
Safety Rating
✓ Generally Safe
Pregnancy
Caution in Pregnancy
Drug Interactions
Possible — consult doctor
Contraindications: Caution in hepatic conditions (rare liver effects reported). Caution in anticoagulant use. Caution in pregnancy.
Side Effects: GI discomfort. Rare hepatotoxicity. Allergic reactions. Generally very well tolerated.