Homeopathic relief of cold, cough and flu-like symptoms.A combination of Allium cepa, Drosera rotundifolia and Gelsemium sempervirens in a mouth-spray formulation. Weleda Cold Relief Oromucosal Spray is a homeopathic medicinal product used within the homeopathic tradition for the symptomatic relief of the common cold, cough associated with the common cold and related flu-like symptoms.