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Get Lactulose for as low as $81.45, which is 95% off the average retail price of $1,733.06 for the most common version, by using a GoodRx coupon.
You can save more on select medications with GoodRx Companion. See which medications are eligible.

| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 10g/ 15ml | 473 ml | N/A | $15.82 |
| 20g/ 30ml | 900 ml | N/A | $22.60 |
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GoodRx coupon prices last updated on 10/07/26.