Printable Cetirizine Dosing Chart
Back to full chart pageUse your browser print dialog (Cmd/Ctrl + P) to print or save as PDF. Always confirm the exact concentration on the bottle and follow clinician guidance.
Cetirizine Dosing Chart by Age
AgeUnder 6 months
Dose
Do not use
Interval: —
Max daily: —
Notes: Not established under 6 months (label).
Age6-11 months
Dose
2.5 mg (2.5 mL)
Interval: once daily
Max daily: 2.5 mg/day
Notes: Only if a doctor directs (OTC label: under 2 years ask a doctor).
Age12-23 months
Dose
2.5 mg (2.5 mL)
Interval: once daily; may go to every 12 h
Max daily: 5 mg/day
Notes: Only if a doctor directs (OTC label: under 2 years ask a doctor).
Age2-5 years
Dose
2.5 mg (2.5 mL); may increase to 5 mg
Interval: once daily (or 2.5 mg every 12 h)
Max daily: 5 mg/day
Notes: Liquid or 2.5 mg chewable only (10 mg chewables and ODT are for 6 years and older).
Age6 years and older
Dose
5 or 10 mg (5-10 mL)
Interval: once daily
Max daily: 10 mg/day
| Age | Dose | Interval | Max daily | Notes |
|---|---|---|---|---|
| Under 6 months | Do not use | — | — | Not established under 6 months (label). |
| 6-11 months | 2.5 mg (2.5 mL) | once daily | 2.5 mg/day | Only if a doctor directs (OTC label: under 2 years ask a doctor). |
| 12-23 months | 2.5 mg (2.5 mL) | once daily; may go to every 12 h | 5 mg/day | Only if a doctor directs (OTC label: under 2 years ask a doctor). |
| 2-5 years | 2.5 mg (2.5 mL); may increase to 5 mg | once daily (or 2.5 mg every 12 h) | 5 mg/day | Liquid or 2.5 mg chewable only (10 mg chewables and ODT are for 6 years and older). |
| 6 years and older | 5 or 10 mg (5-10 mL) | once daily | 10 mg/day | — |
Cetirizine is labeled by age, not weight. Check the bottle: 1 mg/mL (5 mg/5 mL) liquid; 10 mg/mL drops sold outside the US are 10 times stronger.
Doses follow the product Drug Facts label. Charts do not replace labels or clinician guidance. Always verify product concentration and avoid double-dosing with combination products.