Rituximab Dose (375 mg/m2)

Calculate rituximab dose from BSA. Standard haematology dose: 375 mg/m2 IV weekly x 4 for follicular lymphoma induction; 375 mg/m2 day 1 of each R-CHOP cycle. RA dose: 1000 mg IV x 2 doses 2 weeks apart.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Calculate rituximab dose from BSA. Standard haematology dose: 375 mg/m2 IV weekly x 4 for follicular lymphoma induction; 375 mg/m2 day 1 of each R-CHOP cycle. RA dose: 1000 mg IV x 2 doses 2 weeks apart

Each component has a specific meaning:

  • BSA — The bsa recorded for the scenario being assessed.

Note: Interpret the rituximab dose result against the thresholds and context described above.

How to Use

Enter the BSA for the scenario you are assessing. Calculate rituximab dose from BSA. Standard haematology dose: 375 mg/m2 IV weekly x 4 for follicular lymphoma induction; 375 mg/m2 day 1 of each R-CHOP cycle. RA dose: 1000 mg IV x 2 doses 2 weeks apart. Use the rituximab dose result to inform your calculation.

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