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What the FDA labels say about taking them together

Carisoprodol and fluvoxamine

Carisoprodol's FDA label of July 15, 2025 names fluvoxamine in its drug interactions section; the fluvoxamine labels PlainMeds reads (2) do not name carisoprodol. The carisoprodol label: “Co-administration of CYP2C19 inhibitors, such as omeprazole or fluvoxamine, with carisoprodol could result in increased exposure of carisoprodol and decreased exposure of meprobamate.”

Check it at the source: the carisoprodol FDA label on DailyMed (effective July 15, 2025, Mylan Pharmaceuticals Inc.); the fluvoxamine FDA label on DailyMed (effective June 27, 2026, Zydus Pharmaceuticals USA Inc.).

What does the carisoprodol label say about fluvoxamine?

Carisoprodol label, drug interactions

Co-administration of CYP2C19 inhibitors, such as omeprazole or fluvoxamine, with carisoprodol could result in increased exposure of carisoprodol and decreased exposure of meprobamate.

Source: FDA drug label (Carisoprodol), Mylan Pharmaceuticals Inc., effective July 15, 2025 (SPL set 7c9184c0-7a2e-11df-8c8d-0002a5d5c51b), via openFDA; the full label on DailyMed

What does the fluvoxamine label say about carisoprodol?

Fluvoxamine's label (effective June 27, 2026) and its 1 other brand-application label do not name carisoprodol in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Fluvoxamine maleate extended-release), Zydus Pharmaceuticals USA Inc., effective June 27, 2026 (SPL set 6c71d4f6-54b5-4d3a-8d2f-b7773c92c32e), 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

24Carisoprodol generic labelers
16Fluvoxamine generic labelers
CarisoprodolFluvoxamine
Labeled forMuscle spasms and spasticityn/a
Boxed warningNoYes
Pharmacy cost (NADAC)$0.0706 per tablet 350 mg tablet$4.08 per capsule 100 mg capsule
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?