
Get Guaifenesin ER for as low as $5.79, which is 57% off the average retail price of $13.56 for the most common version, by using a GoodRx coupon.
GoodRx coupon prices last updated on 11/14/25.
Popular offers
| BIN | 015995 |
| PCN | GDC |
| Group | GDRX |
| Member ID | DV618594 |