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What the FDA labels say about taking them together

Anhydrous citric acid/magnesium oxide/sodium picosulfate and digoxin

Anhydrous citric acid/magnesium oxide/sodium picosulfate's FDA label of April 15, 2026 names digoxin in its drug interactions section; the digoxin labels PlainMeds reads (3) do not name anhydrous citric acid/magnesium oxide/sodium picosulfate. The anhydrous citric acid/magnesium oxide/sodium picosulfate label: “Administer tetracycline and fluoroquinolone antibiotics, iron, digoxin, chlorpromazine, and penicillamine at least 2 hours before and not less than 6 hours after administration of CLENPIQ to avoid chelation with …”

Check it at the source: the anhydrous citric acid/magnesium oxide/sodium picosulfate FDA label on DailyMed (effective April 15, 2026); the digoxin FDA label on DailyMed (effective December 5, 2024, Advanz Pharma (US) Corp.).

What does the anhydrous citric acid/magnesium oxide/sodium picosulfate label say about digoxin?

Anhydrous citric acid/magnesium oxide/sodium picosulfate label, drug interactions

Administer tetracycline and fluoroquinolone antibiotics [see Drug Interactions (7.3) ], iron, digoxin, chlorpromazine, and penicillamine at least 2 hours before and not less than 6 hours after administration of CLENPIQ to avoid chelation with magnesium.

Source: FDA drug label (CLENPIQ), Ferring Pharmaceuticals Inc., effective April 15, 2026 (SPL set e95fff66-4ec0-4001-a727-33e66a5ec7d5), via openFDA; the full label on DailyMed

What does the digoxin label say about anhydrous citric acid/magnesium oxide/sodium picosulfate?

Digoxin's label (effective December 5, 2024) and its 2 other brand-application labels do not name anhydrous citric acid/magnesium oxide/sodium picosulfate in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (LANOXIN), Advanz Pharma (US) Corp., effective December 5, 2024 (SPL set d91e3646-4c63-4512-ab22-db39c085c4dc), 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

0Anhydrous citric acid/magnesium oxide/sodium picosulfate generic labelers
26Digoxin generic labelers
Anhydrous citric acid/magnesium oxide/sodium picosulfateDigoxin
Labeled forn/aHeart failure, Atrial fibrillation
Boxed warningNoNo
Pharmacy cost (NADAC)$0.518 per mL 175 mL solution$0.133 per tablet 125 mcg tablet
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)

What next?