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Get Promethazine for as low as $5.83, which is 81% off the average retail price of $30.08 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 12.5mg | 30 tablets | $23.72 | $12.04 |
| 25mg | 30 tablets | $22.40 | $5.83 |
| 50mg | 30 tablets | $30.82 | $13.95 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 1ml of 25mg/ ml | 25 ampules | $98.74 | $21.35 |
| 1ml of 50mg/ ml | 5 ampules | $15.63 | $13.39 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 12.5mg | 12 suppositories | $122.46 | $34.49 |
| 25mg | 12 suppositories | $117.72 | $36.08 |
| 50mg | 12 suppositories | $405.19 | $102.80 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 1ml of 25mg/ ml | 5 syringes | N/A | $11.87 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 6.25mg/ 5ml | 120 ml | $12.65 | $4.34 |
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 1ml of 25mg/ ml | 10 vials | $25.26 | $16.60 |
| 1ml of 50mg/ ml | 4 vials | $18.67 | $15.58 |

Get an extra $10.00 off Promethazine and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 05/01/26.
*Prices subject to change without notice. Sales tax may apply and is not included.