How to Calculate Ketotifen 1 mg/5 mL Dose

This calculator determines the Ketotifen dose for treating allergic conditions, using a concentration of Ketotifen 1 mg/5 mL (0.2 mg/mL), based on the patient’s weight:

Dose in mL and mg (based on Ketotifen):

Where:

• Weight: Enter the patient’s weight in kilograms (kg) or pounds (lb) and select the unit from the dropdown (automatically converted to kg).
• Concentration: Ketotifen 1 mg/5 mL (0.2 mg/mL).

Administer as prescribed for allergic conditions. ⚠️ Always consult a healthcare provider.

Using the Ketotifen 1 mg/5 mL Dosage Calculator

Enter the patient’s weight in kilograms or pounds, select the unit, and click "Calculate." The calculator provides the dose in mL and mg (Ketotifen) for pediatric (≥6 months) and children >3 years/adults.

Example: Weight 12 kg:

Pediatric ≥ 6 months:
3.0 mL (0.6 mg) PO BID (Max: 5.0 mL or 1 mg PO BID)

Children > 3 years and Adults:
5.0 mL (1 mg) PO BID

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

Consult a healthcare provider before administering.

Frequently Asked Questions (FAQ)

1. What is Ketotifen used for?

Ketotifen (Zaditen) is used to treat allergic conditions such as asthma and allergic rhinitis.

2. How often is this given?

Pediatric ≥ 6 months: 0.05 mg/kg/dose PO BID (Max 1 mg PO BID). Children > 3 years and Adults: 1 mg PO BID.

3. Can this be used for infants under 6 months?

Consult a doctor, as Ketotifen is not typically recommended for infants under 6 months without medical supervision.

4. What if weight is in pounds?

Enter the weight in pounds, and the calculator will automatically convert it to kilograms for calculation (1 lb = 0.4536 kg approximately).

5. What’s the maximum daily dose?

The maximum daily dose is 1 mg PO BID (2 mg/day) for pediatric ≥ 6 months, and 1 mg PO BID (2 mg/day) for children > 3 years and adults.