Imdur (Isosorbide Mononitrate Er) Rx Price Comparison: US vs Canada — Save Up to 68% in the US

Our most recent US pharmacy data shows a low of roughly $9.00 for Isosorbide Mononitrate Er with a standard discount card. That figure moves with dosage and quantity — check the comparison table for the exact combination you need.

Yes — Cost Plus Drugs lists Isosorbide Mononitrate Er at roughly $0.425 per unit, a published price with no membership card or coupon involved. See the three-price comparison above for how that stacks up against discount-card pharmacies.

We found Canadian pricing for Isosorbide Mononitrate Er starting near $0.130 per tablet in USD terms. That's before any shipping charge, which the table above breaks out separately.

Drug pricing is set separately in each country through different negotiation, regulatory, and distribution systems, so the same medication can legitimately carry different price tags on either side of the border. In this case, our data shows the US price is actually the lower of the two once a program like Cost Plus Drugs is factored in — the assumption that Canada is always cheaper doesn't hold for every drug.

While most insurance plans cover this medication, your exact copay depends on your specific plan's formulary and benefit structure. It's advisable to contact your insurer for a cost estimate. For some patients, the price available through a prescription savings card may be lower than their insurance copay, so asking your pharmacist for a price comparison can be worthwhile.

Yes, this medication is typically covered under Medicare Part D and Medicare Advantage prescription drug plans. Your out-of-pocket cost will vary based on your specific plan, your deductible status, and which coverage phase you are in during the benefit year.

Medicaid coverage for prescription drugs varies by state, but isosorbide mononitrate ER is generally included on state formularies. Coverage details and patient costs can differ, so checking with your state's Medicaid agency or managed care plan is recommended for precise information.