Duro-tuss Dry Cough Lozenges 24s Sale! from $18.99 Flavour Lemon Orange Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Relieves dry coughs & associated sore throats. Sugar Free, Lactose Free, Gluten Free. Lemon or Orange flavours. Suitable for 6 years + Pholcodine & Cetylpyridinium chloride.