- PO (Adults and Children
12 yr): 2–4 mg 3–4 times daily (not to exceed 32 mg/day). - PO (Geriatric Patients): Initial dose should not exceed 2 mg 3–4 times daily, may be ↑ carefully (up to 32 mg/day).
- PO (Children 6–12 yr): 2 mg 3–4 times daily; may be carefully ↑ as needed (not to exceed 8 mg/day).
- PO (Children 2–6 yr): 0.1 mg/kg 3 times daily (not to exceed 2 mg 3 times daily initially); may be carefully ↑ to 0.2 mg/kg 3 times daily (not to exceed 4 mg 3 times daily).
- Inhaln (Adults and Children 4 yr): Via metered-dose inhaler or dry powder inhaler: 2 inhalations every 4–6 hr (some patients may respond to 1 inhalation) or 2 inhalations 15 min before exercise; NIH Guidelines for acute asthma exacerbation: Children: 4–8 puffs every 20 min for 3 doses then every 1–4 hr; Adults: 4–8 puffs every 20 min for up to 4 hr then every 1–4 hr as needed.
- Inhaln (Adults and Children >12 yr): NIH Guidelines for acute asthma exacerbation via nebulization or IPPB: 2.5–5 mg every 20 min for 3 doses then 2.5–10 mg every 1–4 hr as needed; Continuous nebulization: 10–15 mg/hr.
- Inhaln (Children 2–12 yr): NIH Guidelines for acute asthma exacerbation via nebulization or IPPB: 0.15 mg/kg/dose (minimum dose 2.5 mg) every 20 min for 3 doses then 0.15–0.3 mg/kg (not to exceed 10 mg) every 1–4 hr as needed or 1.25 mg 3–4 times daily for children 10–15 kg or 2.5 mg 3–4 times daily for children >15 kg; Continuous nebulization: 0.5–3 mg/kg/hr.
- Inhaln (Neonates): 1.25 mg/dose every 8 hr via nebulization or 1–2 puffs via MDI into the ventilator circuit every 6 hrs.
