Baby Safety / Compounds / Amitraz

Is Amitraz safe for babies and kids?

High risk for kids

Infants have immature drug-metabolizing enzymes (CYP450 ontogeny), reduced renal clearance, and different volume of distribution. Accidental exposure or breast milk transfer of Amitraz poses heightened risk.

What is amitraz?

The IUPAC name is N'-(2,4-dimethylphenyl)-N-[(2,4-dimethylphenyl)iminomethyl]-N-methylmethanimidamide.

Also known as: N'-(2,4-dimethylphenyl)-N-[(2,4-dimethylphenyl)iminomethyl]-N-methylmethanimidamide, Mitac, Triazid, Acarac.

IUPAC name
N'-(2,4-dimethylphenyl)-N-[(2,4-dimethylphenyl)iminomethyl]-N-methylmethanimidamide
CAS number
33089-61-1
Molecular formula
C19H23N3
Molecular weight
293.4 g/mol
SMILES
CC1=CC(=C(C=C1)N=CN(C)C=NC2=C(C=C(C=C2)C)C)C
PubChem CID
36324

Risk for babies

High risk

Infants have immature drug-metabolizing enzymes (CYP450 ontogeny), reduced renal clearance, and different volume of distribution. Accidental exposure or breast milk transfer of Amitraz poses heightened risk.

Neonates and infants up to 12 months have incomplete blood-brain barrier development, immature Phase I/II metabolic enzymes (particularly CYP3A4, UGT1A1), and higher gastrointestinal permeability. Equivalent doses produce higher internal concentrations and longer residence times.

What to do: Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Risk for pregnant and nursing people

Elevated risk

Amitraz poses pregnancy risk through potential teratogenicity, altered pharmacokinetics (increased blood volume, changed CYP activity), and placental transfer. FDA pregnancy category should be evaluated.

Suspected reproductive toxicant (GHS H361) or suspected endocrine disruptor. Precautionary approach warranted. Animal studies or limited human data suggest developmental toxicity potential.

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

Regulatory consensus

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

AgencyYearClassificationNotes
EPA CTX / EPA OPPGroup C Possible Human Carcinogen
EPA CTX / Skin-EyeSkin Sensitization: Skin Sens. 1 (score: high)
EPA CTX / Skin-EyeEye Irritation: Not classified (score: low)
EPA CTX / Skin-EyeSkin Irritation: Not classified (score: low)
EPA CTX / Skin-EyeSkin Sensitization: Category 1 (score: high)
EPA CTX / Skin-EyeSkin Sensitization: Category 6.5B (Category 1) (score: moderate)

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 amitraz

  • Industrial FacilitiesManufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational EnvironmentsFactories, Warehouses, Transportation vehicles

Safer alternatives

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

  • Physical/mechanical pest control (IPM)
    Trade-offs: More labor-intensive. May not be sufficient for severe infestations.
    Relative cost: 1.2-2×

Frequently asked questions

Is amitraz safe for kids?

Infants have immature drug-metabolizing enzymes (CYP450 ontogeny), reduced renal clearance, and different volume of distribution. Accidental exposure or breast milk transfer of Amitraz poses heightened risk.

What products contain amitraz?

Amitraz appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

What should I do if my child is exposed to amitraz?

Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Why do regulators disagree about amitraz?

Amitraz has been classified by 6 agencies including EPA CTX / EPA OPP, EPA CTX / Skin-Eye, EPA CTX / Skin-Eye, EPA CTX / Skin-Eye, EPA CTX / Skin-Eye, 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 Amitraz in the baby app

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

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Sources (2)

  1. ASPCA Animal Poison Control Center: Amitraz Toxicosis in Dogs and Cats — Alpha-2 Adrenergic Mechanism, Feline Absolute Contraindication, Atipamezole/Yohimbine Reversal, and Preventic Collar Exposure Case Reports (2022) (2022) — veterinary
  2. US FDA/CVM: Amitraz (Preventic Tick Collar, Mitaban Dip) — Approved Canine Uses, Feline and Rabbit Contraindication, Pediatric Safety Warning for Dog Collar Ingestion, and Atipamezole Antidote (2018) (2018) — regulatory

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 →