Duphalac (Lactulose)

Active Ingredient: Lactulose



Duphalac is a laxative that is used in the treatment of constipation. This medication works by increasing the number of bowel movements you have per day and the number of days you have bowel movements. Duphalac is a colon acidifier that increases stool water content and softens the stool. This drug is also used in the treatment or prevention of complications arising from liver disease.

How to use Duphalac

This medication is taken orally once a day for constipation. Also, follow the instructions of your doctor. If this medication is being taken in solution form, you can improve the taste by mixing it into water, milk, fruit juice or a soft dessert. If you are taking the crystals in packets, dissolve the crystals in half a glass of water and drink, or follow the directions of your doctor.

To get the most benefit out of this medication, use it on a regular basis. For easy remembrance, this medication should be taken at the same time every day. The dosage prescribed to you depends on your medical condition and response to the medication. It may take as long as 48 hours to get a bowel movement. If your condition worsens or persists, contact your doctor.


Before taking this medication, inform your doctor if you are allergic to it. Also, discuss with your doctor any other allergies you have. This medication should not be used if you have certain medical conditions. For more information, contact your doctor or pharmacist. If you have a low galactose diet or suffer from another bowel problem (bowel obstruction), consult your doctor before taking this medication.

Before taking this medication, discuss with your doctor your medical history, especially in the case of diabetes. While using this drug, the elderly may be at a greater risk of losing blood minerals, especially if the medication is being used for prolonged periods.

When taking this medication, do not take any other laxatives. Excessive use of laxative could lead to dehydration (excessive loss of body water). This is especially so among children and the elderly. Symptoms of dehydration include muscle cramps, muscle weakness, and dizziness. If you experience these, contact your doctor promptly.

During pregnancy, this medication should only be taken when clearly needed. Also, before taking it, discuss with your doctor the risks and benefits. Also, consult with your doctor before breastfeeding while taking this medication. It is not known whether it passes into breast milk.

Side effects

Common side effects of this medication include burping, bloating, gas, nausea, stomach rumbling/pain and cramps. If these persist or worsen, contact your doctor promptly.

Serious but unlikely side effects include irregular heartbeat, vomiting, diarrhea, muscle cramps/weakness, bloody stools, mental/mood changes, severe abdominal/stomach pain, rectal bleeding. If you experience any of these, inform your doctor promptly.

Symptoms of a serious allergic reaction include trouble breathing, severe dizziness, rash/itching/swelling. If these occur, seek immediate medical attention.


This drug may have several interactions. Before taking this medication, provide your doctor with a list of all the medication you are taking, especially other laxatives and antacids that contain aluminum and/or magnesium.


Before you order Duphalac online, make sure you have the correct dosage information. You can buy Duphalac in any online pharmacy and enjoy cheap and discounted prices. Also, you can have it delivered to the destination of your choosing. Online pharmacies only stock high-quality medication and you can have peace of mind as you buy. Make sure to only visit a reputable online pharmacy.

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