A child weighs 4.5 kg and has an order for phenobarbital sodium 10 mg po three times per day. The literature states that the usual children's dose is 3 to 5 mg/kg/day. The drug label reads phenobarbital elixir 20 mg/5 mL. If the dose is safe, how many milliliters should the nurse administer? Round to the nearest tenth. If the dose is not safe, enter "not safe".
