Affordability Check
How to afford Constulose
Generic name: Lactulose
Pick how you're covered. We'll show you the cheapest legitimate way to get Constulose — your insurance copay, manufacturer savings, charity grants, or cash price. It takes 30 seconds and we never ask for your personal information.
Pick an option above to see your specific path.
Different insurance means different laws and different savings. For example, Medicare patients cannot use manufacturer copay cards (federal law) — but the manufacturer almost always has a Patient Assistance Program that gives the drug free.
About Constulose and its cost
What is this medication? Constulose is a prescription oral solution that contains lactulose, which is a type of synthetic sugar used primarily to treat chronic constipation. It functions as an osmotic laxative by drawing water into the colon from surrounding body tissues, which softens the stool and makes it easier to pass. This mechanism helps to increase the frequency of bowel movements and provide relief for individuals struggling with irregular digestive patterns.
In addition to its use as a laxative, this medication is often prescribed to treat or prevent a condition called portal-systemic encephalopathy, a brain-related complication caused by severe liver disease. It works in the digestive tract to reduce the amount of ammonia that is absorbed into the blood. By lowering these ammonia levels, the medication helps to improve mental status and neurological clarity in patients whose livers are unable to filter toxins effectively.
Constulose is made by Actavis. Like most brand-name drugs, it's priced at a high list price — but patients rarely pay that list price. The options above are the real paths most people use to get it affordably.
Common questions
What's the cheapest way to afford Constulose?
It depends on your insurance. On Medicare, apply for the manufacturer's Patient Assistance Program (PAP) — it gives the drug free if you meet income requirements. With private insurance, the manufacturer copay card usually drops your copay to $0-$25. Uninsured patients should compare the PAP with Cost Plus Drugs cash price.
Can I use a copay card with Medicare for Constulose?
No — federal law (the Anti-Kickback Statute) prohibits manufacturer copay cards on Medicare, Medicaid, TriCare, and VA prescriptions. But Actavis has a separate Patient Assistance Program for Medicare beneficiaries. Check the options above.
Does my Medicare Part D plan cover Constulose?
Part D coverage varies by plan. We query the CMS Prescription Drug Plan file to show you what percentage of plans cover it and at what tier. For your exact copay, pick "Medicare" above and check your plan's Summary of Benefits, or log in to Medicare.gov.
How long does a Patient Assistance Program take?
Most PAPs take 2-6 weeks from application to first fill. Ask the manufacturer about a "bridge supply" — many will ship 30 days free while your application is being reviewed so you don't go without the drug.
What if I have a high-deductible plan?
For generics, Cost Plus Drugs cash price is often cheaper than your deductible-phase copay. For brand names, the manufacturer copay card almost always wins. A GoodRx coupon can be a last resort for uncovered drugs, but it doesn't count toward your deductible.
Are there charity grants for Chronic Constipation?
Charities like HealthWell Foundation, PAN Foundation, Good Days, and the National Organization for Rare Disorders provide copay help for specific conditions. Funds often run out mid-year — apply early. We list the specific grants for your condition in the options above.
More about Constulose
Full Constulose drug page
FDA label, prior authorization rules, full indications list
More options for Chronic Constipation
Drugs, grants, and assistance for this condition
Guide to Patient Assistance Programs
How PAPs work, who qualifies, typical wait times
If your insurance denied coverage
5-level appeal playbook — Medicare has a 60% win rate at Level 3