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Lori Openshaw, MD, FAAP, IBCLC
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Antihistamines
Cetirizine (Zyrtec) dosing:
Dosing is one daily.
Comes as: liquid 5mg/5ml, 5mg chew, 10mg tab
2-6yrs: 2.5ml
6-12yrs: 5ml or 5mg chew tab
12yrs+: 10ml or 10mg tab
Loratadine (Claritin) dosing:
Dosing is once daily.
Comes as: liquid 5mg/5ml ,5mg chew, 10mg tab
2-6yrs: 2.5ml
6-12yrs: 5ml or 5mg chew tab
12yrs+: 10ml or 10mg tab
Fexofenadine (Allegra) dosing:
Dosing is twice daily except for the 180mg dose (once daily).
Comes as: liquid 30mg/5ml, 30mg tab, 60mg tab, 180mg tab
6mo-2yr: 2.5ml (for hives only)
2-6yrs: 5ml
6-11yrs: 5ml or 30mg tab
12yrs+: 10ml or 60mg tab or 180mg tab (once daily)
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