What is Smecta 3g? Diosmectite for Diarrhoea and Digestive Protection
Smecta 3g sachets contain diosmectite, a non-systemic gastrointestinal mucous-protective drug. It interacts with mucous molecules to strengthen the mucous barrier, protects the surface of enterocytes, and fights bacteria and toxins present within the gut lumen. Smecta also has a specific binding action for rotavirus, one of the main causes of diarrhoea in children.
Smecta Indications
- Treatment of acute diarrhoea in children aged 2 years and over, and in adults
- Other gastrointestinal indications in adults
How to Take Smecta
Mix the contents of the sachet with liquid immediately before use. For children, mix with water in a 50ml bottle and administer at intervals throughout the day, or mix with semi-liquid food such as broth, compote, purée or baby food. For adults, mix with half a glass of water.
- Acute diarrhoea — children 2 years and over: 6g per day (2 sachets/day); may be doubled at the start of an acute episode
- Acute diarrhoea — adults: 9g per day (3 sachets/day); daily dose may be doubled at the start of treatment
- Other indications — adults: 9g per day (3 sachets/day)
When treating children with acute diarrhoea, administer an oral rehydration solution (ORS) early alongside Smecta to prevent dehydration. Avoid extended use in children.
Do Not Take Smecta If
You are allergic to diosmectite or any other ingredient. If you have been told by your doctor that you have an intolerance to some sugars, or have a history of severe constipation, talk to your doctor or pharmacist before taking. Do not use in infants and children under 2 years of age. Contact your doctor if acute diarrhoea does not resolve within 3 days, or if pain is accompanied by fever or vomiting.
Possible Side Effects
- Common (up to 1 in 10): constipation
- Uncommon (up to 1 in 100): rash
- Rare (up to 1 in 1,000): urticaria (itchy rash)
- Unknown frequency: symptoms of allergic reaction — skin redness, itching, swelling, difficulty breathing, nausea or seizures
Interactions and Additional Information
Smecta’s adsorption properties may affect the absorption of other medicines — allow a 2-hour interval between taking Smecta and any other medicine. This medicine contains small amounts of ethanol (less than 100mg per dose), glucose (0.679g per dose — consider in patients with diabetes mellitus) and sucrose. Smecta is not recommended during pregnancy or breast-feeding. Overdose of Smecta can cause constipation, which usually resolves when treatment is stopped or the dose is reduced. Do not take a double dose to make up for a forgotten dose.
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