What the FDA labels say about taking them together
Atenolol and furosemide
Atenolol's FDA label of September 18, 2025 names furosemide in its warnings section; the furosemide labels PlainMeds reads (4) do not name atenolol.
Check it at the source: the atenolol FDA label on DailyMed (effective September 18, 2025, Upsher-Smith Laboratories, LLC); the furosemide FDA label on DailyMed (effective September 30, 2025, Validus Pharmaceuticals LLC).
What does the atenolol label say about furosemide?
Atenolol label, warningsIn patients with acute myocardial infarction, cardiac failure which is not promptly and effectively controlled by 80 mg of intravenous furosemide or equivalent therapy is a contraindication to beta-blocker treatment.
Source: FDA drug label (TENORMIN), NDA018240 (Twi Pharms), as published by Upsher-Smith Laboratories, LLC, effective September 18, 2025 (SPL set 6e850b1e-28a4-4ff8-8ed7-bb0b29faa28a), via openFDA; the full label on DailyMed
What does the furosemide label say about atenolol?
Furosemide's label (effective September 30, 2025) and its 3 other brand-application labels do not name atenolol in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Lasix), Validus Pharmaceuticals LLC, effective September 30, 2025 (SPL set 2c9b4d8f-0770-482d-a9e6-9c616a440b1a), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Atenolol | Furosemide | |
|---|---|---|
| Labeled for | High blood pressure, Angina, Heart attack and coronary artery disease | Heart failure, High blood pressure, Edema (fluid retention) |
| Boxed warning | No | No |
| Pharmacy cost (NADAC) | $0.0217 per tablet 25 mg tablet | $0.490 per mL 20 mg/2 mL vial |
| Shortage now | No current entry | In shortage |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once