Dosage charts (

Products labeled “allergy plus cold” or “allergy plus sinus” are not recommended for children under the age of 6, as they contain additional medications. Always use the measuring device packaged with the liquid medication; do not substitute another measuring device. Children’s chewables or FastMelt tablets: Adult tablets or capsules or Quick Dissolve Strips: 25 mg each Give for hives, allergic reaction, itching, or seasonal allergy symptoms. Not recommended as a sleep aid or for relief of cold symptoms.
Not recommended under the age of 1 without the supervision of a doctor.
You may give a dose of diphenhydramine (Benadryl) every 6 hours as needed.
Chewable
Tablets/capsules/strips
Products labeled “D” or “plus decongestant” are not recommended for children under the age of 6, as they contain additional medications. In addition, chewables and tablets may come in different doses. Read packages carefully to determine the specific dose in each chewable or tablet. Always use the measuring device packaged with the liquid medication; do not substitute another measuring device. 5 mg OR 10 mg each
5 mg OR 10 mg each
Give for hives, itching, or seasonal allergy symptoms.
Not recommended as a sleep aid or for relief of cold symptoms.
Not recommended under the age of 6 months.
You may give a dose of cetirizine (Zyrtec) either once or twice daily, as indicated below.
5 mg Chew/Tabs
10 mg Chew/Tabs
1 tsp daily, may increase 1 daily, may increase to Products labeled “D” or “plus decongestant” are not recommended for children under the age of 6, as they contain additional medications. In addition, chewables and tablets may come in different doses. Read packages carefully to determine the specific dose in each chewable or tablet. Always use the measuring device packaged with the liquid medication; do not substitute another measuring device. 5 mg OR 10 mg each
5 mg OR 10 mg each
Give for hives or allergy symptoms.
Not recommended for relief of cold symptoms.
Not recommended under the age of 2 years.
You may give a dose of loratadine (Claritin) once daily.
5 mg Chew/Tabs
10 mg Chew/Tabs
Products labeled “cold,” “cold and sinus,” “multisymptom,” or “PM” are not recommended for children under the age of 6, as they contain additional medications. Products may come in different doses. Read packages carefully to determine the specific concentration of liquids and/or the specific dose in each chewable or tablet. Always use the measuring device packaged with the liquid medication; do not substitute another measuring device. Give for fever or pain.
Not recommended for relief of cold symptoms.
Not recommended for children under the age of 6 months.
You may give a dose of ibuprofen (Motrin, Advil) every 6-8 hours.
Maximum number of doses in a 24 hour period: 4 Chewable/caplet Adult Tablets
Products labeled “cold,” “cold and sinus,” “multisymptom,” or “PM” are not recommended for children under the age of 6, as they contain additional medications. Products may come in different doses. Read packages carefully to determine the specific concentration of liquids and/or the specific dose in each chewable or tablet. Always use the measuring device packaged with the liquid medication; do not substitute another measuring device. Children’s Meltaway/chewables (age 2-5): Adult regular strength tablets/caplets/capsules: Adult extra strength tablets/caplets/capsules: Give for fever or pain.
Not recommended for relief of cold symptoms.
Not recommended under the age of 3 months without a doctor’s supervision.
You may give a dose of acetaminophen (Tylenol) every 4-6 hours.
Maximum number of doses in a 24 hour period: 5 Weight Drops
80 mg chews 160 mg chews 325 mg tabs
2.4 mL (0.8 x 3) 1½ tsp = 7.5 mL 3 chews 1 ½ chews

Source: http://phcapediatrics.com/files/dosage-charts_000.pdf