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Get Lactulose for as low as $3.93, which is 89% off the average retail price of $34.97 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 10g/ 15ml | 473 ml | $18.92 | $3.93 |
| 20g/ 30ml | 3000 ml | $54.55 | $40.01 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 15 packets of 10g | 1 carton | $1,024.95 | $42.87 |
| 30 packets of 10g | 1 carton | $341.21 | $81.25 |
| 15 packets of 20g | 1 carton | $1,792.52 | $47.43 |
| 30 packets of 20g | 1 carton | $258.95 | $90.36 |
Popular offers
Get an extra $8.00 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 04/15/26.
*Prices subject to change without notice. Sales tax may apply and is not included.
