adenosine vs nitroglycerin
Side-by-side comparison of adenosine and nitroglycerin Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Adenocard
Nitrostat, Nitro-Dur
Adenosine (Adenocard) is a medicine used to treat certain types of irregular heartbeats. It belongs to a class of drugs called antiarrhythmics.
Nitroglycerin sublingual tablets help to relieve chest pain (angina) due to heart disease. They work by widening blood vessels to improve blood flow.
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 treats chest pain called angina. Angina is caused by heart disease. Nitroglycerin can relieve an attack or prevent angina before activities that may cause it.
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.
Nitroglycerin is a nitrate vasodilator. It widens your blood vessels. This lets more blood flow to your heart and reduces chest pain.
No common side effects listed.
- • Headache
- • Dizziness
- • Tingling
- The medicine did not work 327
- Using the medicine for a condition it is not approved for 98
- Very fast heart rate 94
- Low blood pressure 86
- Heart stops beating 78
- Shortness of breath 4,152
- Pain 3,624
- Tiredness 3,492
- Heart attack 3,394
- Feeling sick to your stomach 3,265
Since this medication is administered by a healthcare provider in a monitored setting, there are no specific at-home warnings.
Taking too much nitroglycerin can lead to tolerance, where the drug stops working as well. Nitroglycerin can also cause very low blood pressure, especially if you stand up quickly. If chest pain continues after 3 tablets, get medical help right away.
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 nitroglycerin will harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if nitroglycerin passes into breast milk. Talk to your doctor if you are breastfeeding.
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How to Read This adenosine vs nitroglycerin Comparison
adenosine is classified in the Endogenous Nucleoside (Antiarrhythmic) drug class, while nitroglycerin 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 683 submissions while nitroglycerin has 17,927. 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 substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between adenosine and nitroglycerin — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.