Plant that is widely used even during pregnancy and breastfeeding. Because a lack of toxicity with an appropriate dose and moderate consumption it should be compatible with breastfeeding. The roots and aerial summits are used. It contains polysaccharides, essential oil, flavonoids, pyrrolizidine alkaloids among others. Unproven effects: immune stimulant, wound healing, anti-inflammatory. Indications are: common cold, bronchitis, skin lesions.Roots and aerial summits are used. It contains polysaccharides, essential oil, flavonoids, pyrrolizidine alkaloids ... Unproven effects: immune stimulant, wound healing, anti-inflammatory. Indications according to Commission E of German Ministry of Health: common cold, bronchitis, skin lesions. Contrary to the European Scientific Cooperative on Phytotherapy (ESCOP), the European Medication Agency does not recommend usage in younger than 12 years (allergy risk). Avoid using for longer than 8 weeks (risk for leukopenia)