thanks for following up.You should be know if your baby has poisoning: 1. You should stimulate vomiting by making pressure on the tongue 2.Give absorbent -charcoal 1 tablet per 10 kg or other sorbent during 5 days 3.Sometimes enema Side effects of neurofen include: - stomach irritation and abdominal pain, indigestion and nausea. - rare, serious side effects such as ulceration or bleeding of the stomach or intestines may occur. These are more likely with high doses and in elderly people. If your child experiences any sign of bleeding from the stomach or bowels after taking this medicine, such as vomiting blood and passing black,tarry,bloodstained stools you should immediately go in ER Safe dosage for your child aproximately 100mg /10 mg per kg/ Don t worry, i think he didn t eat all tablet,it is bitter. Children are very smart.