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Laevolac Syrup (Lactulose)

Prescription requiredOnly Available By Prescription
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What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


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Laevolac Syrup is a medication used for the treatment of liver disorders, available by prescription. It is utilized to treat hepatic encephalopathy in patients with liver failure. Laevolac syrup may also be used for the treatment of constipation. Lactulose is a colonic acidifier that reduces the amount of ammonia in the blood, providing relief from hepatic encephalopathy. The medication contains a non-absorbable disaccharide, which increases water in the bowel, thereby reducing constipation. Buy Laevolac syrup from Canada and Canpharm and get the best price on it.

What is Hepatic Encephalopathy?

Hepatic encephalopathy is a brain disorder caused by advanced-stage liver disease, where toxins accumulate in the brain due to the liver's inability to filter and excrete them. It can affect behavior, mood, movement, speech, and sleep. In severe cases, individuals may experience hallucinations. Other symptoms include sweet or musty-smelling breath and difficulty with hand coordination.

Fact Table
Formula C12H22O11
License US DailyMed
Bioavailability Poorly absorbed
Legal status Rx-Only
Chemical Name Lactulose
Elimination half-life 1.7–2 hours
Dosage (Strength) 10g / 15ml 500ml
Pregnancy Consult Doctor
Brands Laevolac Syrup
Protein binding Unknown
PubChem CID 11333
MedlinePlus a682338
ChEBI 6359
ATC code A06AD11
DrugBank DB00581
KEGG D00352
Routes of administration By mouth (oral solution)

Buy Laevolac Syrup (Lactulose) online from online Canadian Pharmacy |


The standard dosage of Laevolac syrup for hepatic encephalopathy (HE) treatment is the prescribed amount taken 3 to 4 times a day. For constipation treatment, it is usually taken once daily. The syrup can be mixed with fruit juice, water, milk, or a soft dessert to improve its taste.


The active ingredient in Laevolac Syrup is Lactulose.


Inform your doctor if you have a history of a low galactose diet, bowel obstruction, diabetes, or low or high blood sugar before starting Laevolac syrup. Additionally, notify your doctor if you have a colonoscopy or proctoscopy scheduled soon.

Do not use the medicine if it becomes very dark in color or changes in texture, becoming either thicker or thinner.

Store the syrup tightly at room temperature, away from moisture and heat, and avoid freezing.


Negative drug interactions may occur between Laevolac syrup and other prescription medications, including lorazepam, diphenhydramine, docusate, duloxetine, furosemide, escitalopram, linaclotide, atorvastatin, pregabalin, metoprolol, esomeprazole, clopidogrel, omeprazole, pantoprazole, quetiapine, levothyroxine, alprazolam, rifaximin, and ondansetron. Inform your doctor of all medications you are currently taking before receiving a prescription for Laevolac syrup.

Side Effects

Side effects from Laevolac syrup may include gas, bloating, belching, stomach rumbling or pain, nausea, and cramps. If side effects occur, consider discontinuing use and consulting with your doctor to discuss alternative medications for constipation relief.

Frequently Asked Questions about Laevolac Syrup

What is Laevolac Syrup used for?

Laevolac syrup is used to treat constipation and hepatic encephalopathy caused by liver disease. It helps soften stool and increase bowel movements.

What is the dosage of Laevolac Syrup?

The dosage of Laevolac Syrup depends on your age and the severity of your constipation. The usual starting dose for adults is 15-30 ml taken once or twice daily. Your doctor may adjust the dosage as needed.

How long does it take for Laevolac Syrup to work?

It may take 1-3 days for Laevolac Syrup to work fully. Some people may experience relief within 24 hours.

Are there any side effects of Laevolac Syrup?

The most common side effects of Laevolac Syrup are gas, bloating, and abdominal cramps. These side effects are usually mild and go away after a few days of use. In rare cases, Laevolac Syrup can cause diarrhea or electrolyte imbalance.

Can I take Laevolac Syrup if I am pregnant or breastfeeding?

Laevolac Syrup is generally considered safe to use during pregnancy and breastfeeding. However, it is always best to talk to your doctor before taking any medication, even over-the-counter medications, while pregnant or breastfeeding.

Can I take Laevolac Syrup with other medications?

It is important to tell your doctor about all the medications you are taking, including over-the-counter medications and herbal supplements, before starting Laevolac Syrup. Some medications can interact with Laevolac Syrup, so it is important to be aware of potential interactions.

How long can I take Laevolac Syrup?

You should not take Laevolac Syrup for more than two weeks without talking to your doctor. If you are still constipated after two weeks of taking Laevolac Syrup, there may be another underlying cause of your constipation that needs to be addressed.

What should I do if I miss a dose of Laevolac Syrup?

If you miss a dose of Laevolac Syrup, take it as soon as you remember. If it is close to the time for your next dose, skip the missed dose and take your next dose as usual. Do not take two doses at once.

What should I store Laevolac Syrup at?

Store Laevolac Syrup at room temperature (between 15°C and 25°C) away from heat and light. Do not freeze Laevolac Syrup.

What should I do if I overdose on Laevolac Syrup?

If you overdose on Laevolac Syrup, call your doctor or local poison control center immediately. Symptoms of an overdose may include diarrhea, abdominal cramps, and vomiting.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.