Baby Safety / Compounds / Ceftiofur

Is Ceftiofur safe for babies and kids?

Context-dependent for kids

(Babies-specific data is limited; this page draws from human pregnant context.) Pregnancy alters the metabolism and distribution of Ceftiofur, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

What is ceftiofur?

The IUPAC name is 2-methylpropyl 2-(4-chloroanilino)-2-oxoacetate.

Also known as: NQWMPQVVQLNBGG-UHFFFAOYSA-N, Oxalic acid, monoamide, N-(4-chlorophenyl)-, isobutyl ester.

IUPAC name
2-methylpropyl 2-(4-chloroanilino)-2-oxoacetate
CAS number
80370-57-6
Molecular formula
C19H17N5O7S3
Molecular weight
523.56 g/mol
SMILES
CO/N=C(\C(=O)N[C@@H]1C(=O)N2C1SCC(=C2C(=O)O)CSC(=O)C)c1cccs1
PubChem CID
6420884

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Ceftiofur, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Risk for pregnant and nursing people

Context-dependent

Pregnancy alters the metabolism and distribution of Ceftiofur, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Regulatory consensus

3 regulatory and scientific bodies have classified Ceftiofur. The classifications differ — that's the data.

AgencyYearClassificationNotes
FDA2012Approved (NADA 140-890); extra-label use restricted in food animals (GFI #209/#213)
EU2010Annex I — MRL established
WHO20193rd-gen cephalosporin — Critically Important Antimicrobial

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where kids encounter ceftiofur

  • Veterinary Medicine

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Ceftiofur:

  • Amoxicillin-clavulanate (narrower spectrum)
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×
  • Enrofloxacin (for susceptible pathogens)
    Trade-offs: Non-halogenated; no toxic combustion gases (HCl, dioxins); requires higher loading (40-65% by weight vs 5-15% for halogenated FRs); affects material properties (density, flexibility, processability); cost-effective at scale.
    Relative cost: 1.2-2×

Frequently asked questions

Why do regulators disagree about ceftiofur?

Ceftiofur has been classified by 3 agencies including FDA, EU, WHO, with differing conclusions. Regulators apply different standards of evidence (animal data weighting, exposure-pattern assumptions, epidemiological power thresholds), which is why two scientific bodies can review the same data and reach different conclusions. See the regulatory consensus table on this page for the full picture.

See Ceftiofur in the baby app

Look up products containing ceftiofur, compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (1)

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →