It contains Boneset and Hyssop which are specific herbal anti-catarrh herbs.
Refer to the pack for any warning signs.
The active ingredients per 5ml: Liquid Extract Burdock Root (Arctium Lappa L.) 0.25ml, Liquid Extract Hyssop Herb (Hyssopus Officinalis L.) 0.35mlAlso contains amongst other ingredients: Ethanol, Methyl Parahydroxybenzoate (E218), Propyl Parahydroxybenzoate, Glycerol (E422), Dextrose
Refer to the pack for any extra excipients.