Baby Safety / Compounds / Tilmicosin

Is Tilmicosin 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 Tilmicosin, 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 tilmicosin?

CAS number
108050-54-0
Molecular formula
C46H80N2O13
Molecular weight
869.13 g/mol
SMILES
CCC1CC(CC(C(C(CC(=O)O1)OC2CC(C(C(O2)C)OC3CC(C(C(O3)C)N(C)C)O)N(C)C)C)OC)C
PubChem CID
656654

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Tilmicosin, 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 Tilmicosin, 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

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

AgencyYearClassificationNotes
FDA1992Approved veterinary drug (NADA 140-929) — cattle/sheep only
EU2010Annex I — MRL established

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 tilmicosin

  • Veterinary Medicine

Safer alternatives

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

  • Tulathromycin (wider safety margin)
    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×
  • Florfenicol
    Trade-offs: Alternative approach; specific tradeoffs depend on application context, scale, and regulatory requirements. Full hazard assessment of alternative recommended before adoption to avoid regrettable substitution.
    Relative cost: 1.2-2×

Frequently asked questions

No FAQ entries generated.

See Tilmicosin in the baby app

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Sources (1)
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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 →