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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