Skip to main content

What the FDA labels say about taking them together

Aprepitant and colchicine

Colchicine's FDA label (Lodoco) of August 13, 2026 names aprepitant in its drug interactions section; the aprepitant labels PlainMeds reads (3) do not name colchicine. The colchicine label: “Significant increase in colchicine plasma concentration is anticipated.”

Check it at the source: the aprepitant FDA label on DailyMed (effective July 5, 2024, Merck Sharp & Dohme LLC); the colchicine FDA label on DailyMed (effective July 22, 2025, Aurobindo Pharma Limited).

What does the aprepitant label say about colchicine?

Aprepitant's label (effective July 5, 2024) and its 2 other brand-application labels do not name colchicine in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (EMEND), NDA021549 (Msd), as published by Merck Sharp & Dohme LLC, effective July 5, 2024 (SPL set 696f9e80-9cae-403b-de9e-078343ce4713), via openFDA; the full label on DailyMed

What does the colchicine label say about aprepitant?

Lodoco label (AGEPHA Pharma USA, LLC, August 13, 2026), drug interactions

Drug class: Moderate CYP3A4 Inhibitors amprenavir aprepitant diltiazem erythromycin fluconazole, fosamprenavir (prodrug of amprenavir) verapamil; Outcome/effect: Significant increase in colchicine plasma concentration is anticipated.; Clinical comment: Monitor patients receiving moderate CYP3A4 inhibitors for signs of colchicine toxicity. Avoid use in patients with existing renal or hepatic impairment [see Warnings and Precautions (5)].

Source: FDA drug label (Lodoco, NDA215727), AGEPHA Pharma USA, LLC, effective August 13, 2026 (SPL set ff06d68f-d65f-d097-e053-6294a90a7e5f), via openFDA

Source: FDA drug label (Colchicine), Aurobindo Pharma Limited, effective July 22, 2025 (SPL set dd93a40f-92ab-47ac-9083-b8a7a0b18ad6), 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

5Aprepitant generic labelers
30Colchicine generic labelers
AprepitantColchicine
Labeled forNausea and vomitingGout
Boxed warningNoNo
Pharmacy cost (NADAC)$46.42 per capsule 40 mg capsule$0.122 per tablet 0.6 mg tablet
Shortage nowA presentation being discontinuedNo 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?