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What the FDA labels say about taking them together

Iptacopan and rifampin

Iptacopan's FDA label of July 16, 2026 names rifampin in its drug interactions section; the rifampin label PlainMeds reads does not name iptacopan. The iptacopan label: “DRUG INTERACTIONS CYP2C8 inducers (e.g., rifampin): May decrease iptacopan exposure.”

Check it at the source: the iptacopan FDA label on DailyMed (effective July 16, 2026, Novartis Pharmaceuticals Corporation); the rifampin FDA label on DailyMed (effective February 11, 2026, Lupin Pharmaceuticals, Inc.).

What does the iptacopan label say about rifampin?

Iptacopan label, drug interactions

DRUG INTERACTIONS CYP2C8 inducers (e.g., rifampin): May decrease iptacopan exposure.

Source: FDA drug label (FABHALTA), Novartis Pharmaceuticals Corporation, effective July 16, 2026 (SPL set a76b5845-6e21-4d3b-ad07-cd8df1b60bee), via openFDA; the full label on DailyMed

What does the rifampin label say about iptacopan?

Rifampin's label (effective February 11, 2026) does not name iptacopan in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (rifampin), Lupin Pharmaceuticals, Inc., effective February 11, 2026 (SPL set b56004f0-f23d-47f6-80c7-39884fccbccc), 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

0Iptacopan generic labelers
13Rifampin generic labelers
IptacopanRifampin
Labeled forn/an/a
Boxed warningYesNo
Pharmacy cost (NADAC)n/a$0.679 per capsule 300 mg capsule
Shortage nowNo current entryIn shortage

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

What next?