Skip to main content

What the FDA labels say about taking them together

Chloramphenicol and glipizide

Glipizide's FDA label of January 8, 2026 names chloramphenicol in its drug interactions section; the chloramphenicol label PlainMeds reads does not name glipizide. The glipizide label: “… octreotide), sulfonamide antibiotics, nonsteroidal anti-inflammatory agents, chloramphenicol, probenecid, coumarins, voriconazole, H2 receptor antagonists, and quinolones.”

Check it at the source: the chloramphenicol FDA label on DailyMed (effective October 10, 2024, Fresenius Kabi USA, LLC); the glipizide FDA label on DailyMed (effective January 8, 2026, Aurobindo Pharma Limited).

What does the chloramphenicol label say about glipizide?

Chloramphenicol's label (effective October 10, 2024) does not name glipizide in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Chloramphenicol Sodium Succinate), Fresenius Kabi USA, LLC, effective October 10, 2024 (SPL set aed29594-211d-49ef-813f-131975a8d0e3), via openFDA; the full label on DailyMed

What does the glipizide label say about chloramphenicol?

Glipizide label, drug interactions

The following are examples of medication that may increase the glucose lowering effect of glipizide extended-release tablets, increase the susceptibility to and/or intensity of hypoglycemia: antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, propoxyphene, salicylates, somatostatin analogs (e.g., octreotide), sulfonamide antibiotics, nonsteroidal anti-inflammatory agents, chloramphenicol, probenecid, coumarins, voriconazole, H2 receptor antagonists, and quinolones.

Source: FDA drug label (Glucotrol Xl, NDA020329), Roerig, effective July 21, 2026 (SPL set eed99b60-d043-4249-9b2a-f05e46fb588d), via openFDA

Source: FDA drug label (Glipizide), Aurobindo Pharma Limited, effective January 8, 2026 (SPL set 84794a52-b717-488c-8533-6425c83d405f), 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

1Chloramphenicol generic labelers
31Glipizide generic labelers
ChloramphenicolGlipizide
Labeled forn/aType 2 diabetes
Boxed warningYesNo
Pharmacy cost (NADAC)n/a$0.0339 per tablet 5 mg 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?