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Pen Ink Ingestion: Symptoms, Risks, and What to Do

If ink has been swallowed, contact Poison Control (1-800-222-1222 in the US) or seek medical advice immediately.

Potential Symptoms

  • Nausea, vomiting, diarrhea, abdominal pain
  • Headache, dizziness, confusion
  • In severe cases: seizures, kidney/liver injury, CNS depression

Immediate Steps

  1. Do not induce vomiting unless directed by a professional.
  2. Rinse mouth with water; sip water or milk to dilute.
  3. Avoid solid food until assessed.
  4. Bring the pen or packaging to the ER if possible.

Prevention

  • Discourage pen chewing.
  • Keep writing instruments away from young children.
  • Use non-toxic, certified pens (ASTM D-4236).

Most pen inks are low-toxicity (dyes, solvents, water), but large amounts or industrial inks pose greater risk.

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