How to Calculate Chlorphenamine 2 mg/5 mL (suspension) Dose

This calculator determines the Chlorphenamine dose for treating allergies or cold symptoms, using a concentration of Chlorphenamine 2 mg/5 mL (0.4 mg/mL), based on the patient’s age group:

Dose in mg and Volume in mL (based on Chlorphenamine component):

Volume Calculation:

Where:

• Age Group: Select the appropriate age range (2–<6 years, 6–<12 years, or ≥12 years and adults).
• Concentration: Chlorphenamine 0.4 mg/mL (2 mg/5 mL).

Administer as directed, typically for allergy or cold relief. ⚠️ Always consult a healthcare provider.

Using the Chlorphenamine 2 mg/5 mL (suspension) Dosage Calculator

Choose the age group (2–<6 years, 6–<12 years, or ≥12 years and adults). The calculator provides the dose in mL and mg based on the age-specific regimen.

Example: Children 2 to < 6 years:

Dosage:
2.5 mL (1 mg) every 4 to 6 hours (Max 6 mg/day)

Calculations must be re-checked and should not be used alone...
            

Consult a healthcare provider before administering.

Frequently Asked Questions (FAQ)

1. What is Chlorphenamine used for?

Chlorphenamine (Chlor-Trimeton; Piriton) is used to treat allergy symptoms, such as hay fever, hives, and itching, as well as cold symptoms.

2. How often is this given?

Depends on age: 1 mg every 4–6 hours (Max 6 mg/day) for 2–<6 years, 2 mg every 4–6 hours (Max 12 mg/day) for 6–<12 years, 4 mg every 4–6 hours (Max 24 mg/day) for ≥12 years and adults.

3. Can this be used for children under 2 years?

Consult a doctor, as Chlorphenamine (Chlor-Trimeton; Piriton) is not typically recommended for children under 2 years without medical supervision.

4. Is weight required for dosing?

No, dosing is based on age only, not weight, for Chlorphenamine.

5. What’s the adult dose?

Usual dose is 4 mg (10 mL) every 4 to 6 hours (Max 24 mg/day).