Constulose (Lactulose)
Constulose is the brand name for Lactulose. Brand-name medications typically cost significantly more than their generic equivalents, but both contain the same active ingredient and meet the same FDA standards.
Lactulose (Generic)
CheaperIs generic Lactulose the same as Constulose?
- Generic Lactulose contains the same active ingredient as Constulose, in the same strength and dosage form.
- Generic medications must meet FDA bioequivalence standards — the body absorbs them in the same way as the brand-name version.
- Inactive ingredients (dyes, fillers) can differ. If you have a sensitivity, mention it to your pharmacist.
- Most prescribers allow generic substitution unless they specifically mark "dispense as written" on the prescription.
- If you've been on Constulose and feel a generic version isn't working, talk to your prescriber.
How to save on Constulose (Lactulose)
Ask for generic substitution
If your prescription is written for Constulose, ask your pharmacist whether generic Lactulose is appropriate for your case.
Compare cash prices
Cash prices for Constulose vary widely between pharmacies. ScriptUnlock surfaces the lowest available locally.
Manufacturer copay card
Constulose may offer a manufacturer copay card for insured patients. Check the official brand website.
Find the cheapest generic Constulose
Generic Constulose can cost significantly less than the brand version. Upload your prescription and let pharmacies compete on the lowest cash price.
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Constulose vs generic Lactulose: FAQs
Is generic Constulose the same as the brand-name version?
Generic medications contain the same active ingredient, in the same strength and dosage form, as their brand-name counterparts and must meet the same regulatory standards for safety and efficacy. Generic Constulose works the same way as the brand-name version.
Is generic Constulose cheaper?
Yes. Generic Constulose is typically much cheaper than the brand-name version. ScriptUnlock compares cash prices on generic Constulose across participating pharmacies to surface the lowest available price.
Can my pharmacy substitute generic Constulose for the brand-name prescription?
In most cases, yes — pharmacists can substitute the generic equivalent unless your prescriber specifies "dispense as written" on the prescription. Ask your pharmacist if generic Constulose is available.
How do I find the cheapest generic Constulose?
Compare cash prices across multiple pharmacies before filling. ScriptUnlock surfaces the lowest cash price on generic Constulose among participating pharmacies.
Are there side-effect differences between generic and brand Constulose?
Generic medications contain the same active ingredient as the brand-name version. Inactive ingredients can occasionally differ. Consult your pharmacist if you notice any change after switching to a generic version.