Baby Safety / Compounds / Tetrodotoxin (TTX)

Is Tetrodotoxin (TTX) safe for babies and kids?

Extreme risk for kids

Infants are highly susceptible to Tetrodotoxin (TTX) due to lower body weight, immature detoxification pathways, and dietary exposure through contaminated grains or breast milk.

What is tetrodotoxin (ttx)?

The IUPAC name is (1R,5R,6R,7R,9S,11S,12S,13S,14S)-3-amino-14-(hydroxymethyl)-8,10-dioxa-2,4-diazatetracyclo[7.3.1.17,11.01,6]tetradec-3-ene-5,9,12,13,14-pentol.

Also known as: (1R,5R,6R,7R,9S,11S,12S,13S,14S)-3-amino-14-(hydroxymethyl)-8,10-dioxa-2,4-diazatetracyclo[7.3.1.17,11.01,6]tetradec-3-ene-5,9,12,13,14-pentol, TETRODOTOXIN, Tarichatoxin, Spheroidine.

IUPAC name
(1R,5R,6R,7R,9S,11S,12S,13S,14S)-3-amino-14-(hydroxymethyl)-8,10-dioxa-2,4-diazatetracyclo[7.3.1.17,11.01,6]tetradec-3-ene-5,9,12,13,14-pentol
CAS number
4368-28-9
Molecular formula
C11H17N3O8
Molecular weight
319.27 g/mol
SMILES
C(C1(C2C3C(N=C(NC34C(C1OC(C4O)(O2)O)O)N)O)O)O
PubChem CID
11174599

Risk for babies

Extreme risk

Infants are highly susceptible to Tetrodotoxin (TTX) due to lower body weight, immature detoxification pathways, and dietary exposure through contaminated grains or breast milk.

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

Context-dependent

Pregnancy alters the metabolism and distribution of Tetrodotoxin (TTX), 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

1 regulatory bodyhas classified Tetrodotoxin (TTX).

AgencyYearClassificationNotes
IARC—Not classifiedIARC has not classified TTX

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 tetrodotoxin (ttx)

  • Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational Environments — Factories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Tetrodotoxin (TTX):

  • Avoidance (no chemical substitute)
    Trade-offs: Direct chemical substitution requires verification that the replacement does not introduce new hazards (regrettable substitution). Conduct full hazard assessment of proposed alternative before adoption.
    Relative cost: 1.2-2×

Frequently asked questions

Is tetrodotoxin (ttx) safe for kids?

Infants are highly susceptible to Tetrodotoxin (TTX) due to lower body weight, immature detoxification pathways, and dietary exposure through contaminated grains or breast milk.

What products contain tetrodotoxin (ttx)?

Tetrodotoxin (TTX) 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 tetrodotoxin (ttx)?

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.

See Tetrodotoxin (TTX) in the baby app

Look up products containing tetrodotoxin (ttx), compare to alternatives, and explore the full data record.

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Sources (4)
  1. US FDA: Tetrodotoxin (TTX) — Seafood Safety, Pufferfish Import Controls, Mechanism, Lethal Dose, and Emerging Atlantic Shellfish Contamination (2012) (2012) — regulatory
  2. WHO Food Safety: Marine Biotoxins — Tetrodotoxin, Epidemiology of Fugu Poisoning, Blue-Ringed Octopus Envenomation, and Global Regulatory Status (2004) (2004) — regulatory
  3. EFSA Panel on Contaminants: Scientific Opinion on Tetrodotoxin in Marine Bivalves — Acute Reference Dose, European Shellfish Monitoring, and Emerging Atlantic Occurrence (EFSA Journal 2017;15(4):4752) (2017) — regulatory
  4. ASPCA Animal Poison Control Center: Pufferfish (Tetraodontidae) and Tetrodotoxin — Beach Scavenging Risk for Dogs, Clinical Presentation, and Respiratory Support Management (2019) — veterinary

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 →