Bronchostop Cough Pastilles - Contain Thyme Herb Extract. A Traditional Herbal Medicinal Product For Use In The Relief Of Coughs And Dry, Tickly, Irritating Coughs And Catarrh Product Information:Bronchostop Cough Pastilles - Contain Thyme Herb Extract. A Traditional Herbal Medicinal Product For Use In The Relief Of Coughs And Dry, Tickly, Irritating Coughs And Catarrh,Product Specification:1 Pastille Contains The Active Ingredient: 59.5 Mg Of Extract (As Dry Extract) From Thyme Herb (Thymus Vulgaris L. And Thymus Zygis L. Herb)(Der 7-13:1). Extraction Solvent: Water, Also Contains: Fructose And Sorbitol (E420), See Leaflet For Further Information