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Ranitidine 15 mg/mL (Brand Name: Zantac) Dosage Calculator

Ranitidine 15 mg / mL

4 to 10 mg/kg/day po BID (Max: 300 mg/day)

How to Calculate Ranitidine 15 mg/mL Dose

This calculator determines the Ranitidine dose for treating conditions like ulcers or GERD, using a concentration of Ranitidine 15 mg/mL, based on the patient’s weight for pediatric patients ≥1 month and a fixed dose for adults:

Dose in mL and mg (based on Ranitidine):

Pediatric ≥ 1 month: 4 to 10 mg/kg/day po BID (Max: 300 mg/day)

Adults: Usual dose is 150 mg PO BID

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: Ranitidine 15 mg/mL.

Administer as prescribed for ulcers or GERD. ⚠️ Always consult a healthcare provider.

Using the Ranitidine 15 mg/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 (Ranitidine) for pediatric (≥1 month) and adult patients, ensuring the minimum dose (if applicable) is less than or equal to the maximum dose for pediatric patients.

Example: Weight 12 kg:

Pediatric ≥ 1 month:
Min Dose: 1.6 mL (24 mg) PO BID
Max Dose: 4 mL (60 mg) PO BID

Adults:
Usual dose is 10 mL (150 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 Ranitidine used for?

Ranitidine (Zantac) is used to treat ulcers, GERD, and other conditions involving excess stomach acid.

2. How often is this given?

Pediatric ≥ 1 month: 4 to 10 mg/kg/day po BID (Max: 300 mg/day). Adults: 150 mg PO BID.

3. Can this be used for infants under 1 month?

Consult a doctor, as Ranitidine is not typically recommended for infants under 1 month 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 300 mg for pediatric patients (≥1 month) and not specified beyond the usual 300 mg/day for adults (typically managed by clinical judgment).

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