| Age | Dose in mg | Children’s Liquid Dose | Children’s Tablet Dose | 60 mg 12 hour Tablets | 180 mg 24 hour Tablets |
| Under 2 yrs | Not recommended | Not recommended | Not recommended | Not recommended | Not recommended |
| 2-6 yrs | 30 mg | 5 mL every 12 hours | 1 tablet every 12 hours | Not recommended | Not recommended |
| 6-12 yrs | 30 mg | 5 mL every 12 hours | 1 tablet every 12 hours | Not recommended | Not recommended |
| 12+ yrs | 60 mg | 10 mL every 12 hours | 2 tablets every 12 hours | 1 tablet every 12 hours | 1 tablet every 24 hours |
For patients whose allergy symptoms are mostly eye symptoms (itchy, watery eyes), consider using Zaditor drops, which are now over-the-counter as well. The usual dose is 1 drop in each eye every 12 hours as needed.