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Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
About GoodRx
Find expert answers to your health questions so you can make the best decisions for yourself and your family.Health conditions
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Medication discounts
Get Theophylline ER for as low as $63.81, which is 74% off the average retail price of $245.50 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|---|---|---|
| 100mg | 60 tablets | $235.05 | $63.81 |
| 200mg | 60 tablets | $343.24 | $36.81 |
| 300mg | 60 tablets | $260.98 | $33.94 |
| 400mg | 60 tablets | $102.96 | $23.65 |
| 450mg | 90 tablets | $438.79 | $59.03 |
| 600mg | 60 tablets | $133.65 | $39.18 |
Popular offers
GoodRx coupon prices last updated on 06/20/26.
