The question of what happens if you smoke ink has popped up on several message boards. Inhaling carbon black ink is likely to cause headaches, eye irritation and chronic itchiness. It is also likely to stain skin and other mucus membranes. Direct contact with ink may cause stomach cramps and vomiting.
Web Unless it's a pen or marker, smoking ink probably won't do much harm. It might taste bad and leave some color in your mouth or poop. But if you smoke it from a cigarette, it could do some damage.
This article is courtesy of Ink Life, milwaukee, wisconsin.