Normal range: Therapeutic range: 15-40 mg/mL
Comment: Phenobarbital is used in the treatment of epileptic seizures and control convulsions caused by poisoning or fever. Side effects include nausea, vomiting, anorexia and dizziness. It is important to monitor Phenobarbital in children primarily for reasons of non-compliance and interactions with other drugs
Sample: serum
(Phenyl alanine (Quantitative
:Normal range
Blood, umol/L*
Newborn: 40-140
Infants: 40-100
Children: 40-75
Adults: 40-75
Urine, umol/L*
Infants: < 46
Children: < 89
Adults: 44-220
Comment: Look amino acid in plasma & urine
Sample: 24 hr urine, spot urine, plasma, (lithium heparin) separate immediately