Theophylline (Slophyllin Gyrocaps, Sustaire, Theobid Jr, Duracaps, Theo Dur Sprinkle); Bronchodilator; Cap: 100, 200 mg
Cap SR: 50, 60, 75, 100, 125, 130, 200, 250, 260, 300
Elixir: 80 mg/15 mL
Soln: 80 mg/15mL
Syr: 10 mg/mL
Tab: 100, 125, 200, 250, 300 mg
Tab, ER: 100, 200, 300, 450, 600 mg
Tab SR: 50, 75, 100, 125, 130, 200, 250, 260, 300, 400, 450, 500, 600 mg
Tab, TR: 100, 200, 250, 300, 400, 500 mg; 1-9 yrs: 20-24 mg/kg/day PO bid-qid
9-12 yrs: 16 mg/kg/day PO bid-qid
12-16 yrs: 13 mg/kg/day PO bid-qid
>16 yrs: 10 mg/kg/day PO bid-qid
Therapeutic
serum levels 10-20 mcg/mL. Immediate-release products are dosed tid-qid. Sustained-release products can be dosed bid.