Antihistamine Dosaging
Generic Common Brands Forms 1-10lbs 10-20lbs 20-30lbs 30-50lbs >50lbs How Often
Diphenhydramine Benadryl 25mg Tablet 1/2 to 1 Tablet
1 Tablet
1 1/2 - 2 Tablets
3 - 4 Tablets 2-3x Daily
2.5 mg/mL Liquid 1 - 5 mL (5
mL / tsp)
Chlorpheniramine Chlortrimeton 4mg Tablet
1 Tablet
2 Tablets
2 1/2 Tablets
3 Tablets 2-3x Daily
0.4 mg/mL Liquid
1 - 5 mL
Clemastine Tavist
1.34mg Tablet 1/2 Tablet 1/2 - 1 Tablet
1 - 1 1/2 Tablets
1 1/2 - 2 Tablets
2x Daily
0.134 mg/mL
Liquid
1 - 5 mL
Loratadine Claritin 10mg Tablet 1/4 Tablet
1/4 - 1/2
Tablet
1/2 Tablet
1 Tablet
1 - 1 1/2 Tablets
Once Daily
Cetirizine HCL Zyrtec 5mg &10mg tablet 1/2 of a 5mg
tab
1 - 5mg Tablet
1-10 mg Tablet
1.5 -10mg tabs
2 - 10mg tablets
1-2x Daily
