Macrogol compound powder NPF

  • Overview


Information specific to: Macrogol compound powder NPF.

About Macrogol compound powder NPF and how it works

This medicine is a laxative and is used to treat constipation, especially constipation that is present for a long time. It is also used to help relieve the discomfort of impacted faeces, where the stools are hard and compressed.

This medicine works by absorbing water into the stool and increases the volume and water content of stools. This makes the stools easier to move through the bowel to be emptied and hence relieves constipation. This medicine also contains electrolytes which help balance water and salts in the body.

This medicine is available as a powder in a sachet that is dissolved in water before taking by mouth.

Both sugar-free and sugar-containing preparations of this medicine may be available.

You must not take this medicine for more than three days for treating faecal impaction or for more than 14 days without medical advice for treating constipation.

Speak to your doctor if your symptoms do not improve or if they get worse during treatment with this medicine.

Before using Macrogol compound powder NPF

This medicine may not be suitable for everyone and some people must never have it. Check the leaflet that comes with your medicine to make sure that the medicine is suitable before having it.

Always get advice from a healthcare professional before having this medicine if:

  • you are allergic or sensitive to or have had a reaction to any of the ingredients in the medicine
  • this medicine is for a child under 12 years of age
  • you have inflammatory bowel problems such as ulcerative colitis or Crohn's disease
  • you have toxic megacolon
  • you have ileus
  • you have an obstruction or perforated gut
  • you have not been diagnosed as having faecal impaction before
  • you have heart and circulation problems
  • you need to take laxatives daily
  • you are taking other medicines
  • you have a history of fructose intolerance

Medicines interactions

If you are taking more than one medicine they may interact with each other. Before taking this medicine consult your doctor or pharmacist if you are taking or have recently taken any other medicines including vitamins, supplements and herbal or complementary preparations.

The following medicines may interact with this medicine:

  • this medicine may affect the absorption of other medicines taken at the same time such as antiepileptics - if you are taking other medicines do not take them an hour before or an hour after taking this medicine

Possible side effects of Macrogol compound powder NPF

Most medicines can cause some side-effects but not everyone having the same medicine will get the same side-effects.

The following side-effects have been associated with people having this medicine:

  • allergic reactions including anaphylaxis, rhinitis, rash, redness of the skin, urticaria and itching
  • electrolyte imbalances - stop taking this medicine and seek immediate medical advice if you develop oedema, shortness of breath, feel unusually tired or are dehydrated
  • diarrhoea - this may be caused by taking a dose that is too high and may be relieved or prevented by taking a lower dose
  • gastrointestinal effects such as stomach distension and pain
  • nausea, or gurgling from the stomach or bowels
  • headache
  • vomiting
  • indigestion
  • flatulence
  • anal discomfort

If you experience other side effects or have any other worrying symptoms while you are taking this medicine, seek medical advice.

Pregnancy and breast-feeding

If you are trying to become pregnant, are pregnant, or are breast-feeding, you should seek medical advice before taking this medicine.

Other important information

Make sure that you read the leaflet that comes with your medicine to check what dose you should take and if there is anything that you need to do if you take more than the recommended dose. If you are in any doubt about whether this medicine is suitable for you, speak to your doctor or pharmacist.

This medicine may be available in different flavours.

Store the prepared solution in a refrigerator. Check the medicine leaflet for how long you can keep the prepared solution in the refrigerator.

This medicine may be available under brand names including:







Keep all medicines out of the sight and reach of children.

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