Is it safe to give a child age 6 lower dose of adult ibuprofen?

It is not safe to give a child aged 6 a lower dose of adult ibuprofen unless it has been specifically prescribed by a doctor. The dosage of ibuprofen for children is determined based on their weight and age, and giving them an adult dose could lead to serious side effects such as stomach upset, nausea, vomiting, and, in severe cases, kidney damage and liver failure. Always consult a doctor or pharmacist for the correct dosage of ibuprofen for children.