CosmoCol Half®

Macrogol 3350, sodium chloride, potassium chloride and sodium hydrogen carbonate (also known as macrogol compound oral powder)

Information for Patients

CosmoCol Half® is a laxative used to treat constipation and faecal impaction (persistent constipation, where a large volume of stools cause a blockage of the rectum and/or colon).

CosmoCol® contains Macrogol 3350 which makes your poo/stools/faeces softer and easier to pass, giving you relief from constipation. The electrolytes (salts) help to maintain your body’s normal levels of sodium, potassium and water while you are being treated for constipation.

Cosmocol Half
CosmoCol Half

Having a great choice of strengths

CosmoCol Half® comes in powdered form. It comes in Orange, Lemon and Lime flavour. Before taking this medicine, please read the information leaflet contained within the packaging.

If you are taking other medications or require thickened fluids, then do make sure you have spoken to your doctor or pharmacist before taking CosmoCol Half® as some medications may need to be taken at a different time from CosmoCol Half®.

How to take CosmoCol Half®

CosmoCol Half®, like all macrogols, must not be used with starch-based thickeners. This is because macrogols and starch-based thickeners interact and result in thin watery liquid which may not then be swallowed safely.

Each sachet should be mixed with 62.5mls of water, which is about half a glass or a quarter of a pint. It is the water that forms the active part of the laxative, so it is very important that it is always mixed with the correct amount.

The water that it is mixed with is not absorbed into the body (it binds with the poo/stool/faeces to bulk it up and keep it soft) so should not be included as part of your daily fluid intake.

CosmoCol Half® is not recommended for children below 12 years of age.

Patient leaflets

CosmoCol Half® Patient Leaflet
CosmoCol Half® Patient Leaflet
Treating Constipation in Adults
Treating Constipation in Adults
How to Poo
How to Poo

Educational videos

0010020038 v1.0 April 2024

0010020039 v1.0 April 2024

CosmoCol Half® – Information for Patients
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