1 What is Constulose?

Brand: Constulose, Cephulac, Chronulac, Constilac, Duphalac, Evalose

Generic: Lactulose

Brand name:

Constulose, Cephulac, Chronulac, Constilac, Duphalac, Evalose.

Constulose is a drug used in the treatment of constipation. This drug is available as an oral solution containing lactulose 10 gram in 15 milliliter.


You should read the product information leaflet before using this medication. If you have any questions, ask your doctor or pharmacist.

This medication should be taken by mouth as instructed by your doctor. Use a measuring spoon when using this product.

Your dosage is based on your medical condition and the way you will respond to treatment. Take this drug regularly to experience the most benefits. You should also take this drug at the same time each day.

If you miss a dose, use it as soon as you remember. Continue to use it as prescribed by your doctor or as stated on the package label.


Constulose may interact with medications such as:

  • Antacids containing aluminum and/or magnesium
  • Other laxatives

Side Effects:

There are no side effects known aside from a possible allergic reaction in people who have previous or unknown hypersensitivity to the drug.

Watch out for signs of allergic reactions such as:

  • Rash
  • Itching
  • Swelling


Before taking this medication, tell your doctor or pharmacist if you have the following:

  • Allergy to lactulose
  • A low galactose diet (e.g., a diet that includes few or no milk products)
  • Certain other bowel problem (bowel obstruction)
  • Diabetes
  • Pregnancy or lactation

2 Related Clinical Trials