Use this medicine for cleaning heavy chest congestion. Double action- breaks down and liquefies mucus to help expel mucus from the chest Duro-Tuss Chesty Cough Forte Tablets contain two active ingredients bromhexine hydrochloride and guaiphenesin. Bromhexine helps to clear the chest by thinning the mucus in your air passages. Guaiphenesin is an expectorant that loosens and reduces the thickness of phlegm, making it easier to cough up Do not use in children under 12 years of age. Do not take Duro-Tuss Chesty Cough Forte Tablets if you have an allergy to: Any medicine containing Bromhexine hydrochloride or Guaiphenesin Any of the ingredients listed at the end of the leaflet Some of the symptoms of an allergic reaction may include: Shortness of breath Wheezing or difficulty breathing Swelling of the face, lips, tongue or other parts of the body Rash, itching or hives on the skin. Do not take this medicine after the expiry date printed on the pack or if the packaging is torn or shows signs of tampering. If this medicine is expired or damaged, return it to your pharmacist for disposal. If you are not sure whether you should start taking this medicine, talk to your pharmacist or doctor. Follow all directions on the pack or those given to you by your pharmacist or doctor carefully. They may differ from the information contained in this leaflet. If you do not understand the instructions on the box, ask your pharmacist or doctor for help. Keep your medicine in the original pack until it is time to take it. Keep your medicine in a cool, dry place where the temperature stays below 30ºC. Do not store Duro-Tuss Chesty Cough Forte Tablets or any other medicine in the bathroom or near a sink. Do not leave it on a window sill or in the car. Heat and dampness can destroy some medicines. Keep the medicine where children cannot reach it. A locked cupboard at least one-and-a-half metres above the ground is a good place to store medicines.