What the FDA labels say about taking them together
Calcium chloride and triamterene
Triamterene's FDA label of December 5, 2024 names calcium chloride in its warnings and precautions section; the calcium chloride label PlainMeds reads does not name triamterene.
Check it at the source: the calcium chloride FDA label on DailyMed (effective February 2, 2026, Hospira, Inc.); the triamterene FDA label on DailyMed (effective December 5, 2024, Advanz Pharma (US) Corp.).
What does the calcium chloride label say about triamterene?
Calcium chloride's label (effective February 2, 2026) does not name triamterene in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (Calcium Chloride), Hospira, Inc., effective February 2, 2026 (SPL set c4c65e48-85f8-4dcf-6281-06e40959cc79), via openFDA; the full label on DailyMed
What does the triamterene label say about calcium chloride?
Triamterene label, warnings and precautionsFor tachyarrhythmia, infuse 44 mEq of sodium bicarbonate or 10 mL of 10% calcium gluconate or calcium chloride over several minutes.
Source: FDA drug label (Dyrenium), Advanz Pharma (US) Corp., effective December 5, 2024 (SPL set ebb177c0-d45d-4443-a85a-e76bd9931a42), 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
| Calcium chloride | Triamterene | |
|---|---|---|
| Labeled for | n/a | Heart failure, Edema (fluid retention) |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | n/a | $5.98 per capsule 50 mg capsule |
| Shortage now | A presentation being discontinued | No current entry |
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