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Get Lactulose for as low as $6.43, which is 82% off the average retail price of $36.56 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 10g/ 15ml | 473 ml | N/A | $6.43 |
| 20g/ 30ml | 1200 ml | $25.50 | $21.43 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 15 packets of 10g | 1 carton | $1,056.17 | $42.87 |
| 30 packets of 10g | 1 carton | $344.63 | $81.25 |
| 15 packets of 20g | 1 carton | $1,837.91 | $47.43 |
| 30 packets of 20g | 1 carton | $239.52 | $90.36 |
Popular offers
Get an extra $4.67 off Lactulose and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 05/03/26.
*Prices subject to change without notice. Sales tax may apply and is not included.
