Movicol-Half is a macrogol-based osmotic laxative powder used to treat chronic constipation, working by drawing water into the bowel to soften the stool while replacing some of the salts the body needs, lemon and lime flavour, 30 sachets, sold by Ways Pharmacy (UK).
Key facts
| Active ingredients | Macrogol 3350 with potassium chloride, sodium chloride and sodium bicarbonate per sachet |
|---|---|
| Type | Osmotic (macrogol) laxative |
| Format | Lemon and lime flavour powder, dissolved in water |
| Pack | 30 sachets |
| Relieves | Chronic constipation; also used for faecal impaction under medical guidance |
| Age | Adults and children 12 years and over |
| Dilution | Each sachet is dissolved in about 62.5ml (a quarter glass) of water |
| Sold by | Ways Pharmacy, UK (GPhC-registered) |
Who it is for
- Adults and children 12 and over with chronic (ongoing) constipation
- People who prefer a macrogol laxative that softens the stool and replaces salts
- People who have not had relief from increasing fibre and fluids alone
Not suitable for: anyone allergic to the ingredients; people with a perforated or blocked bowel, or severe inflammatory bowel disease such as Crohn’s disease or ulcerative colitis. If you have faecal impaction, speak to a doctor before use. Speak to your pharmacist before use if you are pregnant, breastfeeding, or take other medicines.
How to use
- Read the patient information leaflet on the pack before you start.
- Dissolve one sachet in about 62.5ml (a quarter glass) of water and stir until fully dissolved, then drink.
- For chronic constipation, take 1 to 3 sachets a day as needed.
- Drink plenty of fluids through the day.
- Treatment for ordinary constipation should usually last up to 2 weeks. If symptoms continue, speak to your doctor or pharmacist.
Frequently asked questions
How does Movicol-Half work?
It contains macrogol 3350, which draws water into the bowel to soften the stool and help it move. The added salts help keep the body’s salt and water balance steady.
How long does Movicol-Half take to work?
Macrogol laxatives usually work within 1 to 3 days. They act gradually rather than giving instant relief, so allow a few days of regular use.
How long can I take Movicol-Half?
For ordinary constipation it is usually used for up to 2 weeks. Longer-term use for chronic constipation should be guided by a doctor or pharmacist.
Can I take Movicol-Half in pregnancy?
If you are pregnant or breastfeeding, speak to your pharmacist or doctor before use so they can advise whether it is suitable for you.
What is the difference between Movicol and Movicol-Half?
Movicol-Half contains a smaller (half) amount of macrogol per sachet than standard Movicol, so the dose is adjusted accordingly. Follow the instructions for the product you have.
Safety and storage
- Always read the patient information leaflet before use, as manufacturers update it regularly.
- Do not use if you have a blocked or perforated bowel or severe inflammatory bowel disease.
- Stop and seek advice if you get facial swelling, a rash, severe abdominal pain or vomiting.
- Drink plenty of fluids while using it.
- Store as directed on the pack, keep out of the sight and reach of children, and do not use after the expiry date.
References
This page provides factual information about an over-the-counter osmotic laxative. Always read the patient information leaflet before use. For ordinary constipation, do not use beyond 2 weeks without medical advice. Suspected side effects can be reported via the MHRA Yellow Card Scheme.
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