What Happens When You Eat Play Doh - Web jose luis pelaez/stone/getty images. But you might also get. Eating large amounts may cause vomiting or constipation. Web the npis stated that a child would have to eat about 4 grams (0.14 ounces) of homemade play dough to feel any ill effects. Web eating it can cause choking, blockages in the nasal cavity, or stomach, and poisoning.
Web jose luis pelaez/stone/getty images. Eating large amounts may cause vomiting or constipation. But you might also get. Web the npis stated that a child would have to eat about 4 grams (0.14 ounces) of homemade play dough to feel any ill effects. Web eating it can cause choking, blockages in the nasal cavity, or stomach, and poisoning.