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What the FDA labels say about taking them together

Calcium chloride, potassium chloride, sodium chloride and sodium lactate and ephedrine

Calcium chloride, potassium chloride, sodium chloride and sodium lactate's FDA label (Lactated Ringers) of January 2, 2018 names ephedrine in its drug interactions section; the ephedrine labels PlainMeds reads (4) do not name calcium chloride, potassium chloride, sodium chloride and sodium lactate. The calcium chloride, potassium chloride, sodium chloride and sodium lactate label: “Renal clearance of alkaline drugs, such as sympathomimetics, dextroamphetamine (dexamphetamine) sulfate, and fenfluramine (phenfluramine) hydrochloride may be decreased.”

Check it at the source: the calcium chloride, potassium chloride, sodium chloride and sodium lactate FDA label on DailyMed (effective October 29, 2025, Baxter Healthcare Company); the ephedrine FDA label on DailyMed (effective September 16, 2024, Nexus Pharmaceuticals, LLC).

What does the calcium chloride, potassium chloride, sodium chloride and sodium lactate label say about ephedrine?

Lactated Ringers label (Baxter Healthcare Company, January 2, 2018), drug interactions

Renal clearance of alkaline drugs, such as sympathomimetics (e.g., ephedrine, pseudoephedrine), dextroamphetamine (dexamphetamine) sulfate, and fenfluramine (phenfluramine) hydrochloride may be decreased.

Source: FDA drug label (Lactated Ringers, NDA018921), Baxter Healthcare Company, effective January 2, 2018 (SPL set 5215ec33-8cfe-4885-ae92-e6a12100bd27), via openFDA

Source: FDA drug label (Lactated Ringers), Baxter Healthcare Company, effective October 29, 2025 (SPL set dad7735c-709b-40ea-ab7a-15577e24a966), via openFDA; the full label on DailyMed

What does the ephedrine label say about calcium chloride, potassium chloride, sodium chloride and sodium lactate?

Ephedrine's label (effective September 16, 2024) and its 3 other brand-application labels do not name calcium chloride, potassium chloride, sodium chloride and sodium lactate in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Emerphed PFS), Nexus Pharmaceuticals, LLC, effective September 16, 2024 (SPL set 14601778-93ac-43ec-b66b-5a942317133f), 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

2Calcium chloride, potassium chloride, sodium chloride and sodium lactate generic labelers
19Ephedrine generic labelers
Calcium chloride, potassium chloride, sodium chloride and sodium lactateEphedrine
Labeled forn/aAsthma
Boxed warningNoNo
Pharmacy cost (NADAC)$0.0038 per mL Lactated ringers injectionn/a
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

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