Pharmacokinetics of oral theophylline in Thai asthmatic children.

Pharmacokinetic studies of theophylline were carried out in 12 Thai asthmatic children after oral administration of Elixir Quibron and Tablet Aminophylline. No significant differences in any of the pharmacokinetic parameters between these two dosage forms were observed. Peak serum concentrations of theophylline were reached in an average time of 3.