Fortunately, many newer, second-generation antihistamines last longer and are non- or low-sedating, says Dr. Bassett. These ...
<2yrs: not recommended. 2–5yrs: max 1.25mg (2.5mL) once daily in the PM. 6–11yrs: max 2.5mg (5mL) once daily in the PM. ≥12yrs: 2.5–5mg (5–10mL) once daily in the PM based on symptom ...