Dufalac, 667 mg/ml syrup 500 ml
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Disinotoxic, stimulates intestinal peristalsis, laxative.
Pharmacodynamics
Laxative drug. It has hyperosmotic laxative effect, stimulates intestinal peristalsis, improves absorption of phosphates and calcium salts and promotes removal of ammonium ions.
Lactulose is broken down by the intestinal flora of the large intestine into low-molecular organic acids, which lead to a decrease in pH and an increase in osmotic pressure and as a consequence an increase in the volume of intestinal content. These effects stimulate intestinal peristalsis and influence the consistency of the stool. As a result, the physiological rhythm of emptying the large intestine is restored.
. In hepatic encephalopathy, the effect is attributed to suppression of proteolytic bacteria by increasing the number of acidophilic bacteria (such as lactobacilli), conversion of ammonia into an ionic form by acidifying the contents of the colon, emptying the intestine by reducing the pH in the colon and osmotic effect, and reduction of nitrogenous toxic substances by stimulating bacteria that utilize ammonia for bacterial protein synthesis.
Lactulose as a prebiotic substance enhances the growth of beneficial bacteria such as bifidobacteria and lactobacilli, while suppression of potentially pathogenic bacteria such as Clostridium spp. and Escherichia coli becomes possible, resulting in a more favorable balance of intestinal flora.
Pharmacokinetics
The absorption is low. After oral administration it reaches the large intestine unchanged, where it is broken down by the intestinal flora.
It is completely metabolized when administered in doses up to 45-70 ml. When administered in higher doses it is partially excreted unchanged.
Indications
Liver damage, Dysbacteriosis, Constipation, Hemorrhoids
- Contipation: regulation of the physiological rhythm of emptying the colon;
- Stool softening for medical purposes (in hemorrhoids, conditions after colon and anal surgery);
- hepatic encephalopathy in adults: treatment and prevention of hepatic coma or precoma.
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Active ingredient
Lactulose
Composition
Syrup – 100 ml:
Active ingredients:
lactulose – 66.7 g
excipient:
purified water – up to 100 ml.
How to take, the dosage
The drug is intended to be taken orally as well as rectally.
Lactulose solution can be taken either diluted or undiluted.
All dosages must be taken individually.
The single dose taken should be swallowed immediately, without retaining it in the mouth.
If a single daily dose is prescribed, it should be taken at the same time, such as at breakfast.
In therapy with laxatives, it is recommended that sufficient fluids be taken (1.5-2 liters, which is equivalent to 6-8 glasses) per day.
For accurate dosing of the drug in bottles, use the measuring cup provided. When using the product in sachets, tear off the corner of the sachet and immediately take the contents.
Dose for the treatment of constipation or to soften stools for medicinal purposes
The daily dose of lactulose may be taken alone or divided in two using the measuring cup.
The starting dose may be adjusted to a maintenance dose after a few days, depending on how people respond to the medication. The laxative effect may appear 2-3 days after starting the drug.
Age | Starting daily dose | Maintenance daily dose | |
Adults and teens | 15-45 ml (1-3 sachets) |
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Children 7 – 14 years | 15 ml (1 sachet) | 10-15 ml (1 sachet*) | |
Children 1 – 6 years | 5-10 ml | 5-10 ml | |
Children under 1 year | to 5 ml | to 5 ml | |
*If the maintenance daily dose is less than 15 ml, it is recommended to use the drug in vials.
For accurate dosing in children under 7 years of age, it is recommended that the drug be used in vials.
Dose in the treatment of hepatic encephalopathy (adults)
For oral administration:
The initial dose: 3-4 times a day in 30-45 ml (2-3 sachets).
Then switch to an individualized maintenance dose so that soft stools are max 2-3 times a day.
For rectal administration:
In case of precoma or coma, the drug may be administered as an enema with retention (300 ml of drug/700 ml of water). The enema should be held for 30-60 minutes, and the procedure should be repeated every 4-6 hours until oral administration is possible.
The safety and effectiveness of the drug in children (under 18 years of age) has not been established due to lack of data.
Patients of advanced age and patients with renal or hepatic impairment
There are no specific dosing recommendations because the systemic effects of lactulose are negligible.
Interaction
Studies on interaction with other drugs have not been conducted.
Special Instructions
In case of abdominal pain of unknown origin before starting treatment or the lack of therapeutic effect a few days after starting the drug, a physician should be consulted.
It should be noted that Dufalac® may contain small amounts of related sugars (eg, lactose, galactose, epilactose and fructose).
When taking doses recommended for treatment of constipation, sugar content should not be a problem in patients with diabetes. When treating hepatic encephalopathy, higher doses of the drug are usually prescribed and the sugar content should be considered for diabetic patients.
When administered as an enema with retention, fecal incontinence, bed soiling and perianal irritation due to an acidic fecal environment are possible due to the strong cleansing effect. The hydration status of the patient should be closely monitored.
The content of residual sugars present in Dufalac® is about 0.075 XE in 5 ml of syrup. The drug may contain sulfites due to the method of production.
Prolonged use of doses higher than recommended in the instructions or improper use may lead to diarrhea and disturbance of water-electrolyte balance.
For the treatment of children laxatives should be used in exceptional cases and under medical supervision. It should be taken into account that during the treatment disorders of the emptying reflex may occur.
Influence on the ability to drive vehicles and other mechanisms
Use of Dufalac has no effect or a slight effect on the ability to drive vehicles and mechanisms.
Synopsis
Transparent viscous liquid from colorless to light yellow with a brown tint.
Contraindications
- galactosemia;
- incontinence, perforation or risk of perforation of the gastrointestinal tract;
- Galactose or fructose intolerance, lactase deficiency or glucose-galactose malabsorption.
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Side effects
In the first days of lactulose administration, flatulence may occur. As a rule, it disappears after a few days.
In case of using high doses for a long time during treatment of hepatic encephalopathy the patient may develop disorders of water-electrolyte balance due to diarrhea.
In placebo-controlled clinical trials in patients receiving lactulose the following adverse effects were observed with the frequency indicated below: [very frequently (≥1/10); frequently (≥1/100 to < 1/10); infrequently (≥1/1000 to < 1/100); rarely (≥1/10 000 to < 1/1000); very rarely (< 1/10 000)], or they were reported spontaneously during post-registration use of the drug [unknown frequency (exact frequency cannot be determined based on available data)].
Immune system
Frequency unknown: hypersensitivity.
Gastrointestinal tract
Very common: diarrhea.
Often: flatulence, abdominal pain, nausea, vomiting.
Skin and subcutaneous fat
Frequency unknown: rash, skin itching, urticaria, erythema.
Laboratory and instrumental data
Infrequent: Water-electrolyte balance disorders due to diarrhea.
A similar safety profile is expected when used in children compared to that in adults.
Overdose
When taking a very high dose, abdominal pain and diarrhea are possible.
Treatment: stop taking the drug or reduce the dose.
Pregnancy use
No effect on the fetus or the infant is expected, since the systemic effects of lactulose on a pregnant or nursing woman are negligible. Dufalac® can be administered during pregnancy and during breastfeeding. No effect on reproductive function is expected because systemic effects of lactulose are insignificant.
Similarities
Portalac, Duphalac, Irritable bowel
Weight | 0.740 kg |
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Shelf life | 3 years. Do not use after the expiration date stated on the package. |
Conditions of storage | Store at a temperature not exceeding 25 ° C. Keep out of reach of children! |
Manufacturer | Abbott Biologicals B.V., The Netherlands |
Medication form | syrup |
Brand | Abbott Biologicals B.V. |
Other forms…
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