adenosine vs isosorbide mononitrate
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of adenosine and isosorbide mononitrate. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Adenocard
Imdur
Adenosine (Adenocard) is a medicine used to treat certain types of irregular heartbeats. It belongs to a class of drugs called antiarrhythmics.
Isosorbide mononitrate is a medicine that helps prevent chest pain. It relaxes your blood vessels, so your heart doesn't have to work as hard.
Adenosine is used to treat a very fast heart rate in the upper chambers of your heart. This condition is called supraventricular tachycardia (SVT). Adenosine helps to slow down your heart rate to a normal rhythm.
This medicine is used to prevent angina, a type of chest pain. Angina is caused by heart disease. This medicine will not help if you are having chest pain right now.
Adenosine works by slowing down the electrical signals in your heart. This helps to interrupt the fast heart rhythm and restore a normal heartbeat. It does this by acting on specific receptors in the heart tissue.
Isosorbide mononitrate is a nitrate. It works by relaxing the muscles in your blood vessels. This allows more blood and oxygen to flow to your heart while reducing its workload.
No common side effects listed.
- • Headache
- • Dizziness
- Supraventricular Tachycardia 94
- Hypotension 86
- Cardiac Arrest 78
- Dyspnoea 74
- Pain 67
- Dyspnoea 1,503
- Dizziness 1,397
- Diarrhoea 1,249
- Fatigue 1,243
- Nausea 1,231
Since this medication is administered by a healthcare provider in a monitored setting, there are no specific at-home warnings.
You should not take this medicine if you are allergic to nitrates or nitrites.
It is not known if adenosine can harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if adenosine passes into breast milk, so discuss this with your doctor if you are breastfeeding.
It is not known if this medicine will harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if this medicine passes into breast milk. Talk to your doctor if you are breastfeeding.
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How to Read This adenosine vs isosorbide mononitrate Comparison
adenosine is classified in the Endogenous Nucleoside (Antiarrhythmic) drug class, while isosorbide mononitrate sits within the Nitrate Vasodilator class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, adenosine has 399 submissions while isosorbide mononitrate has 6,623. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for adenosine or isosorbide mononitrate.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.