An advanced clinical calculator platform built by a Pharm.D. to improve medication safety, dosing accuracy, and workflow efficiency across oncology, infectious disease, cardiology, renal dosing, and nutrition support.
Organized by specialty area for quick access at the point of care.
Patient-specific chemotherapy regimen calculator with dosing support and pharmacist verification workflow.
Open Calculator →Antimicrobial stewardship tool for infection-based antibiotic selection, dosing, and clinical review.
Open Calculator →CrCl and eGFR calculator for renal function assessment and medication dose adjustment support.
Open Calculator →Electrolyte correction, free water deficit, maintenance fluids, K/Mg/phosphate replacement, and hyponatremia/hypernatremia correction-rate limiting with overcorrection rescue guidance.
Open Calculator →Clinical calculator for IV sotalol loading protocol workflow, QTc monitoring, and dose verification.
Open Calculator →Anticoagulation decision-support tool for DOAC, warfarin, heparin, periprocedural, renal dosing, interaction, and reversal review.
Open Calculator →Total parenteral nutrition planning calculator with macronutrient dosing and clinical review support.
Open Calculator →Search current U.S. drug shortages — status, reason, presentations, and dates — live from the FDA's free openFDA API.
Open Tool →NEWS2 and qSOFA + Sepsis-3 screening, adult SOFA, the Phoenix Sepsis Score (2024) and pSOFA for pediatric sepsis, and Surviving Sepsis Campaign 2026 early management timing.
Open Calculator →Anion gap, FENa, CURB-65, PERC, GCS, Wells' Criteria (DVT & PE), HEART score, Glasgow-Blatchford score, and NIHSS.
Open Calculator →Our Purpose
Clinical Rx was built to fill a genuine gap: pharmacist-grade calculators that reflect how clinicians actually think and work — not generic math wrapped in a healthcare skin. Every calculator mirrors real-world clinical decision-making.
Designed with practical medication-use and verification in mind.
Built using package inserts, clinical references, and guideline-based workflows validated for professional use.
Created by a Pharm.D. with medication-use accuracy, clinical verification, and practical workflow as priorities.
Responsive on desktops, tablets, and smartphones — reliable at the point of care or in the pharmacy.
Dosing calculations with clinical warnings, monitoring considerations, and structured review steps.
Architected to grow — additional calculators and specialty tools are added as clinical needs evolve.
Available at no cost as an open-access resource. No login, no fees — just professional-grade tools.
A curated hub of authoritative, no-cost sources — FDA, CDC, NIH/NLM, and openly published society guidelines. No subscription or login required. Links open in a new tab.
Clinical Rx is intended for use by licensed healthcare professionals. The calculators and references provided are clinical support tools only — they do not replace professional judgment, institutional policies, package inserts, or current clinical guidelines. Users are responsible for independently verifying all calculations and recommendations before applying them to patient care decisions.