Singulair Dosage

 Recommended Adult Dosing

Dosage forms:  TAB: 10 mg

Asthma, maintenance tx

[10 mg PO qpm]

Bronchospasm, exercise-induced

[10 mg PO x1]

Start: >2h before exercise; Max: 10 mg/24h; Info: do not give if on daily montelukast tx

Allergic rhinitis

[10 mg PO qd]

Info: for pts w/ inadequate response or intolerance to alternative tx

Renal dosing

[no adjustment]

renal impairment: no adjustment

HD/PD: no adjustment; no supplement

Hepatic dosing

mild-mod impairment: no adjustment; severe impairment: not defined

 Recommended Peds Dosing

Dosage forms:  TAB: 10 mg; CHEWABLE: 4 mg, 5 mg; GRANULE: 4 mg per pkt

Asthma, maintenance tx

[12-23 mo]

Dose: 4 mg PO qpm

[2-5 yo]

Dose: 4 mg PO qpm

[6-14 yo]

Dose: 5 mg PO qpm

[15 yo and older]

Dose: 10 mg PO qpm

Bronchospasm, exercise-induced

[6-14 yo]

Dose: 5 mg PO x1; Start: >2h before exercise; Max: 5 mg/24h; Info: do not give if on daily montelukast tx

[15 yo and older]

Dose: 10 mg PO x1; Start: >2h before exercise; Max: 10 mg/24h; Info: do not give if on daily montelukast tx

Allergic rhinitis, perennial

[6-23 mo]

Dose: 4 mg PO qd; Info: for pts w/ inadequate response or intolerance to alternative tx

[2-5 yo]

Dose: 4 mg PO qd; Info: for pts w/ inadequate response or intolerance to alternative tx

[6-14 yo]

Dose: 5 mg PO qd; Info: for pts w/ inadequate response or intolerance to alternative tx

[15 yo and older]

Dose: 10 mg PO qd; Info: for pts w/ inadequate response or intolerance to alternative tx

Allergic rhinitis, seasonal

[2-5 yo]

Dose: 4 mg PO qd; Info: for pts w/ inadequate response or intolerance to alternative tx

[6-14 yo]

Dose: 5 mg PO qd; Info: for pts w/ inadequate response or intolerance to alternative tx

[15 yo and older]

Dose: 10 mg PO qd; Info: for pts w/ inadequate response or intolerance to alternative tx

Renal dosing

[no adjustment]

renal impairment: no adjustment

HD/PD: no adjustment; no supplement

Hepatic dosing

mild-mod impairment: no adjustment; severe impairment: not defined