Lactulose
Also known as: Constulose, Enulose, Generlac, Kristalose.
Wholesale (NADAC) cost for every strength and dosage form — the price pharmacies pay, published weekly by CMS. Not your out-of-pocket price.
Wholesale (NADAC) prices — every strength & form
| Strength | Form | NADAC / unit | Class |
|---|---|---|---|
| 10 GM/15 ML | Solution | $0.020 / mL | Generic |
| 10 GM | Packet | $7.91 / unit | Generic |
| 20 GM | Packet | $7.98 / unit | Generic |
| 20 GM/30 ML | (unspecified) | $0.050 / mL | Generic |
Wholesale (NADAC) — the price pharmacies pay, not your out-of-pocket price. Liquids, creams, and sprays are priced per mL or gram; a typical package may be a bottle or tube (size not set yet).
NADAC week of 2026-07-01 · updated weekly · source CMS
Medicaid & Medicare spending · 2024
In 2024, Medicaid paid $28,331,001 gross for Lactulose across 846,281 prescriptions (measured, national).
Medicare Part D EST spent an estimated ~$60,476,619 gross (retail pharmacy only; excludes Part B).
Gross program spending, before rebates — not what patients pay out of pocket. Brand net cost is materially lower after confidential rebates; generics are close to net.
Source: Medicaid SDUD 2024 · Medicare Part D 2024 · CMS