Isosorbide Mononitrate
Brand names: Isosorbide Mononitrate, Isosorbide Mononitrate Er
At a glance
- Medicare prescriptions, 2024
- 4,053,871
- Medicare drug cost
- $51.7M
- Average cost per prescription
- $12.75
- Clinicians who prescribed it
- 94,249
Where it is prescribed
List the prescribers in any state, county, city or ZIP code →
What it is used for
Isosorbide mononitrate extended-release tablets, USP are indicated for the prevention of angina pectoris due to coronary artery disease. The onset of action of oral isosorbide mononitrate is not sufficiently rapid for this product to be useful in aborting an acute anginal episode.
From the FDA-approved prescribing information (label dated May 2026). Full labels on DailyMed (opens in a new tab)
Who prescribes it
- Cardiology 25.8%
- Internal Medicine 17.3%
- Family Medicine 17.2%
- Nurse Practitioners 16.7%
- Interventional Cardiology 11.3%
- Physician Assistants 5.0%
- General Practice 1.6%
- Geriatric Medicine 1.3%
- Nephrology (Kidney) 0.8%
- Cardiac Electrophysiology 0.6%
- Hospitalist 0.5%
- Heart Failure & Transplant Cardiology 0.5%
All prescribers, by place, name or specialty →
Share of Medicare prescriptions written by each specialty. Select one to list its prescribers.
Trend, 2019–2024
Medicare prescriptions fell 11% from 2019 to 2024.
Biggest change by state since 2019
- Utah +11%
- New Hampshire +5%
- Idaho +4%
- Wisconsin +4%
- Montana +2%
- Puerto Rico (smallest change) −24%
- Nebraska (smallest change) −21%
From CMS’s yearly state and national Part D summaries, which count every prescriber, including those CMS leaves out of its per-clinician data (fewer than 11 prescriptions). That is why these totals are higher than the count at the top of this page. Prescriptions include refills.
What it looks like
Pills from 5 makers on file. The same medicine can look different depending on who made it, so check the imprint (the letters and numbers on the pill) with your pharmacist if a refill looks different.
Aiping Pharmaceutical, Inc.
| Strength | Looks like | Imprint |
|---|---|---|
| 30 mg | white oval tablet, 9 mm, scored to split in 2 | L6 |
| 60 mg | white capsule, 16 mm, scored to split in 2 | LN5 |
| 120 mg | white oval tablet, 16 mm | LN2 |
American Health PAckaging
| Strength | Looks like | Imprint |
|---|---|---|
| 30 mg | white oval tablet, 9 mm, scored to split in 2 | 3 0 1104 |
| 60 mg | white oval tablet, 13 mm, scored to split in 2 | 60 60 1105 |
Coupler LLC
| Strength | Looks like | Imprint |
|---|---|---|
| 10 mg | white round tablet, 6 mm, scored to split in 2 | ANI 252 |
Remedyrepack Inc.
| Strength | Looks like | Imprint |
|---|---|---|
| 30 mg | white oval tablet, 9 mm, scored to split in 2 | 3 0 1104 |
Torrent Pharmaceuticals Limited
| Strength | Looks like | Imprint |
|---|---|---|
| 30 mg | white oval tablet, 9 mm, scored to split in 2 | 3 0 1104 |
| 60 mg | white oval tablet, 13 mm, scored to split in 2 | 60 60 1105 |
| 120 mg | white oval tablet, 20 mm | 120 1106 |
Source: DailyMed (U.S. National Library of Medicine), from each maker’s FDA drug listing. A few makers are shown, not every one. Never take a pill you can’t identify; ask a pharmacist.
Industry payments about this drug
No industry payments to clinicians named this drug in 2025.
Recalls and shortages
Not on the FDA drug shortage list.
No FDA-reported recalls since 2020.
Sources: CMS Medicare Part D Prescribers by Provider and Drug (2024; prescriptions include refills, and CMS hides counts under 11 per prescriber); U.S. Food and Drug Administration, openFDA (drug labels, NDC directory, enforcement reports, drug shortages); CMS Open Payments 2025; ClinicalTrials.gov. General information only, not medical advice; not yet reviewed by our medical reviewer.