Prescription savings
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Medication discounts

Get Lactulose for as low as $13.93, which is 61% off the average retail price of $36.16 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 10g/ 15ml | 473 ml | N/A | $13.93 |
| 20g/ 30ml | 1200 ml | $25.61 | $21.43 |
| 15 packets of 10g | 1 carton | $1,039.30 | $42.87 |
| 30 packets of 10g | 1 carton | $346.01 | $81.25 |
| 15 packets of 20g | 1 carton | $1,837.91 | $47.43 |
| 30 packets of 20g | 1 carton | $234.14 | $90.36 |

200+ medications are free, with hundreds more under $10. Just $14.99/mo. Terms apply.
GoodRx coupon prices last updated on 05/16/26.