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Mucodyne is a treatment for COPD manufactured by Sanofi. It works by reducing the consistency of mucus in the airways.

This item is not available to buy from our site.

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PLEASE NOTE: This treatment is not available through our online pharmacy service. This page is for information only. If you are experiencing any of the symptoms related to the condition(s) this medication treats, we strongly recommend that you see your GP in person.

This content was reviewed by a clinician on

27 August 2020
dr daniel

Dr Daniel Atkinson

(GP Clinical Lead - GMC No. 4624794) 27 August 2020
Product information

Mucodyne is a treatment used in COPD, and is manufactured by Sanofi. It is supplied in two forms, as a syrup, and as a hard capsule. A prescription only medicine available to buy online, Mucodyne is a type of drug called a mucolytic, which works by breaking down excess phlegm in the respiratory tract.

  1. Proficient at relieving COPD
  2. Available as a capsule or a syrup
  3. Simple to use daily treatment

Chronic obstructive pulmonary disorder is a term used to describe several conditions, including bronchitis, emphysema and chronic obstructive airways disease. The main cause of these conditions is smoking, although they can on rarer occasions be the result of exposure to pollutants, dust or fumes.

In the UK, the NHS estimates that around 3 million people are living with the disease, but that over two thirds of these cases will be undiagnosed. COPD is often confused with smoker’s cough, but the condition is nonetheless serious and should be treated as quickly as possible, as it can progress and lead to deteriorating symptoms.

When the patient inhales an irritant such as cigarette smoke, this cases the airways to become inflamed, causing scarring and damage to the tissues lining the respiratory passages. As a result, the airways develop a heightened tendency to narrow, and produce excess mucus, which can initiate breathing problems and coughing, particularly during periods of physical exertion. Those who have COPD are also much more likely than those who don’t to develop chest infections.

One of the first measures a doctor will take in treating the condition will be to advise the cessation of smoking; or limiting exposure to whichever irritant is responsible. To relieve symptoms, they may also suggest a mucolytic drug such as Mucodyne. The active ingredient in this medicine, which is a substance called carbocisteine, works by reducing the thickness of mucus in the airways. In doing so, it makes mucus easier for the person with COPD to expel by coughing, clearing a path for the user to breathe more easily.

We do not sell Mucodyne. If you need to renew your prescription for this item, we recommend you see your GP or respiratory specialist in person.

Page last reviewed:  27/08/2020

Follow the directions issued by your prescriber when using this treatment, and make sure you read the instructions provided in the patient information leaflet. Doing so will enable you to get the best possible effects from the treatment and lower the risk of side effects.

  1. Take as directed.
  2. For Mucodyne Syrup, the usual dose is one 15ml spoonful three times per day.
  3.  For the capsules, the dose will typically be two capsules three times per day to start with, lowering to one capsule four times per day when symptoms have improved.
  4. Never exceed the prescribed amount.
  5.  If you miss a dose, skip the one you have missed and take your next one at the scheduled time.

The above is only a guide. More detailed information can be found in the leaflet supplied.

Download Mucodyne Syrup PDF

Download Mucodyne capsules PDF 

Page last reviewed:  27/08/2020
Please read the patient information leaflet for this medicine fully before use:

Mucodyne Capsules 375mg

Mucodyne Syrup 250mg/5ml

Side effects & Warnings

If you notice any of the following while using this medication, let your doctor or nearest hospital know as soon as possible: vomiting which continues for several days; bloody vomit; signs of an allergic reaction which may include a rash, problems breathing or swallowing, swelling of the lips, face, throat or tongue; or if you develop blistering or bleeding of the skin, including around your lips, eyes, mouth, nose and genitals or fever.

Taking it with other medicines

Let your prescriber know if you are using any other treatments during consultation.

Conditions to look out for

It may not be suitable for those who have an ulcer in their gut or stomach, or are lactose intolerant. Disclose any information relating to other conditions to your prescriber prior to use.

Pregnancy and breastfeeding

This medication must not be used during the first three months of pregnancy. Ask your doctor for advice before taking this item if you are pregnant, breastfeeding or trying to conceive.

Lactose intolerance

Mucodyne tablets contain lactose, and the syrup version contains sucrose. Inform your prescriber if you have any intolerances to sugars.

Low sodium diets

If you are on a controlled sodium diet, you will need to take into account that Mucodyne syrup contains 97mg of sodium per 15ml dose.

Page last reviewed:  27/08/2020
Please read the patient information leaflet for this medicine fully before use:

Mucodyne Capsules 375mg

Mucodyne Syrup 250mg/5ml


Can I still drink alcohol?

Yes. It is not thought that these items are affected by alcohol.

Will I still be able to drive?

Yes, if you experience no side effects which may inhibit your ability to do so safely. If you do, you should not drive and let your doctor know right away.

Can I take the medicine while pregnant?

You should discuss options with your doctor before taking any treatment if you are pregnant, breastfeeding or planning to become pregnant. This medication is not suitable for those who are less than three months into pregnancy, and it may also not be suitable for those at a later stage or who are breastfeeding.

How should I store it?

Keep below 25°C in a safe environment, out of the reach of children.

Am I allergic to anything in the medicine?

Mucodyne Syrup contains: carbocisteine, methyl parahydroxybenzoate (E218), sucrose, caramel (E150), aromatic elixir flavour (contains rum flavour and ethanol), cinnamon flavour, sodium hydroxide and water.

The capsules contain: carbocisteine, magnesium stearate (E572), anhydrous collodial silica (E551), lactose monohydrate, sodium lauril sulfate, quinoline yellow (E104), sunset yellow (E110) and titanium dioxide (E171).

Do not use these items if you are allergic to any ingredients contained therein.

Is it available over-the-counter?

You will require a prescription to buy these medicines. This can be obtained through consultation with your GP.

Is it right for me?

The COPD treatment you use will be determined by your GP or respiratory nurse. They will issue a prescription for the appropriate medication following a regular review of your symptoms.

Please note that Mucodyne is not available through our online service.


Page last reviewed:  27/08/2020
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