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  • New Zealand
  • Duro-Tuss Chesty Cough Liquid Forte
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Duro-Tuss Chesty Cough Liquid Forte -  -  - 200mL Duro-Tuss Chesty Cough Liquid Forte Brand New Zealand 200mL OTC $13.73 Add

Medicines have benefits and some have risks. Always read the label and use only as directed. If symptoms persist or you have side effects see your health professional. Brands and generics both contain the same active ingredient(s) and are medically equivalent. Some brands are marketed under different names by the same manufacturer depending on the country of origin. Images are provided as a reference only, the received medicine may vary in packaging, color, pill shape, etc, from one batch to the next. For an item marked "generic" any quality brand may be sent, however you will always receive the active ingredients ordered in the strength(s) ordered.

Duro-Tuss Chesty Cough Liquid Forte is formulated to reduce chesty mucous cough symptoms. It's double action breaks down and liquefies mucus to help expel mucus from the chest. It is suitable for diabetics as it is sugar free. It is also Alcohol free, Lactose free and Gluten free.


Over 12 years of age: 10 mL - Every 4-6 hours as required (maximum 4 times per day).

Before use, seek healthcare professional advice:

6-12 years: 5mL -  Every 4-6 hours as required (maximum 4 times per day)


If cough persists, see your doctor or pharmacist. Store below 30 degrees celsius.

PRECAUTIONS: Do not use this medicine:

  • In children under 6 years
  • If seal is broken
  • With any other medicine (including complementary medicines) used to treat common cough and cold symptoms
  • If past the use by date 
  • Products containing sorbitol may have a laxative effect or cause diarrhoea

INGREDIENTS: Each 10mL of Oral Liquid contains: Bromhexine hydrochloride 8mg, Guaiphenesin 200mg

ALSO CONTAINS: Sucralose, Saccharin Sodium, Sorbitol and Sodium benzoate

Duro-Tuss Chesty Cough Liquid Forte (bromhexine hydrochloride, guaiphenesin) is a strawberry-flavored syrup which relieves chest congestion and aids in expelling mucus from the airways. It does not suppress coughing, which would inhibit the expulsion of mucus; however, as coughing becomes more productive due to the medication's expectorant properties, coughs are generally less frequent and less violent.

The product is free of sugar, lactose and gluten, suitable for diabetics or those with sensitivities to milk products and grains.

Each bottle of Duro-Tuss Chesty Cough Liquid Forte includes a measuring cup for precise dosing. Treatment is simple, and similar to most other chest congestion or expectorant medications:

  • Ages 12 and up take 10 ml every 4 to 6 hours as needed.
  • Ages 6 to 11 may be given 5 ml every 4 to 6 hours as needed.
  • Avoid use in patients under 6 years of age.
  • Do not exceed 4 doses in 24 hours.

Many patients notice some relief from chest congestion within 30 minutes of taking the first dose, as mucus is thinned and airways become less clogged. Productive coughing will further clear airways, and coughing spells will begin to diminish as mucus is expelled more efficiently.

If symptoms do not improve significantly after several days of use or worsen at any time during treatment a doctor should be consulted, particularly for young children.

Before Using Duro-Tuss Chesty Cough Liquid Forte

Individuals who are pregnant or breastfeeding, who have a history of liver or kidney problems, or who have a history of stomach ulcers may be at greater risk of serious side effects than others. Check with a doctor about potential risks before use.

In otherwise healthy patients ages 6 and up, side effects are unusual and typically mild, including:

  • Nausea
  • Vomiting
  • Diarrhea
  • Constipation
  • Indigestion
  • Headache
  • Dizziness

The above symptoms are generally not cause for concern unless severe or persistent.

Note that this product contains sorbitol, which can act as a laxative and cause diarrhea in some people. This is especially likely if other products containing sorbitol have caused diarrhea in an individual previously.

Avoid using similar products, such as other chest congestion medications, cold or flu treatments, cough suppressants and so forth while taking Duro-Tuss Chesty Cough Liquid Forte. If taking prescription medications, check with a doctor or pharmacist about potential drug interactions before starting treatment.

Full Ingredients

Active Ingredients: bromhexine hydrochloride, guaiphenesin

Inactive Ingredients: disodium edetate, hyetellose, citric acid anhydrous, saccharin sodium, purified water, sodium benzoate, sorbitol, strawberry flavor, sucralose

Duro-Tuss Chesty Cough Liquid Forte is free of: pseudoephedrine, alcohol, sugar, gluten and lactose.

Other Duro-Tuss Options

Duro-Tuss Chesty Cough Liquid Forte is an excellent choice for deep, chesty coughs. However, the product is not formulated to alleviate dry coughs, which benefit from a cough suppressant such as Duro-Tuss Dry Cough Liquid - Regular or Duro-Tuss Dry Cough Liquid - Forte.

For treating a dry cough with additional expectorant support, try Duro-Tuss Expectorant Cough Liquid, which contains both bromhexine hydrochloride to relieve chest congestion and pholcodine to inhibit dry coughs.

A lighter version of Duro-Tuss Chesty Cough Liquid Forte which contains only bromhexine hydrochloride can be found in Duro-Tuss Chesty Cough Liquid Regular.

Many people use products similar to these to treat coughing or congestion in chronic conditions, such as chronic bronchitis, asthma or COPD. While some people do find them beneficial, be aware that long-term use greatly increases risk of side effects. It is highly advisable to speak with a doctor before using any kind of cough syrup for more than a few consecutive days.

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