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Dangers of Shampoo Ingestion: Symptoms, Toxicity & Emergency Response

Shampoo Is Not for Consumption

Ingestion of shampoo—even small amounts—can cause harm. Severity depends on volume, concentration, and specific formulation.

Symptom Spectrum

  • Mild: Nausea, vomiting, diarrhea, oral/throat irritation
  • Moderate: Respiratory distress (aspiration risk), significant GI upset, electrolyte imbalance
  • Severe: Pulmonary aspiration → chemical pneumonitis, ARDS; metabolic acidosis; renal/hepatic toxicity from surfactants (SLS, SLES), preservatives, fragrances

High‑Risk Ingredients

  • Anionic surfactants (sodium lauryl/laureth sulfate) – mucosal damage
  • Cocamidopropyl betaine – allergic sensitization
  • Formaldehyde releasers, parabens – systemic toxicity at high doses
  • Essential oils – CNS depression, aspiration hazard

Emergency Action

  1. Do NOT induce vomiting (aspiration risk).
  2. Rinse mouth; give small sips water/milk if alert.
  3. Call Poison Control: 1‑800‑222‑1222 (US).
  4. Seek ER if: persistent vomiting, respiratory symptoms, altered mental status, large volume ingested.

Child‑resistant caps and secure storage prevent accidental ingestion.

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