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Opioids Dosage Conversion

Opioids Dosage Conversion

by Chris Marcellino MD LLC

18 ratings
42 reviews
💪 Health & Fitness
🏥 Medical
Free

Details

  • Released
  • Updated
  • July 30, 2010
  • October 9, 2025

Features

Developer

Chris Marcellino MD LLC
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About

This app is a calculator for trained medical professionals to convert opioid analgesic dosages. It supports various common opioids and administration routes, offering features like breakthrough dosing and cross-tolerance calculations.

✓Opioid dosage conversion
✓Multiple drug support
✓Multiple route support
✓Breakthrough dosing calculator
✓Incomplete cross tolerance option
✓Instructional details
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What's New in Opioids Dosage Conversion

3.0.3

October 9, 2025

Improve reference view on recent iOS versions

User reviews

Most RecentHighest RatedLowest Rated

EBM converter

I use this app daily in my practice and regularly give it to learners. Great app!
MD TacomaMD Tacoma

Needs IV option for fentanyl

Otherwise excellent app! Recommended throughout anesthesia and palliative departments
Nick RM, MDNick RM, MD

Needs better interface

Very cumbersome, and needs better user interface. Needs update.
GASTRICLAVAGE80GASTRICLAVAGE80

Incomplete

Does not include Tapentadol or many other opioids. Only dosing options are q6h, q8h and w24h.
SLO83SLO83

It works

This app appears to work well. You can choose from 2 different calculation algorithms with lettered abbreviations, but there is no explanation how to choose. prn doses require a frequency input before allowing you to enter the actual number of doses given and this is unnecessary. Looks good though and appears to work.
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WainrightWainright
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Developer apps

VisitCoding
VisitCoding

by Chris Marcellino MD LLC

🏥 Medical

(9)

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FAQ

What does the Opioids Dosage Conversion app do?

This application serves as an opioid analgesic dosage conversion calculator designed for use by trained medical professionals. It facilitates conversions to and from commonly prescribed opioids across oral, parenteral, and transdermal routes.

What are the key features of this opioid calculator?

Key features include support for multiple opioid drugs and administration routes, an incomplete cross-tolerance option, a breakthrough dosing calculator, and instructional details for each calculation. It also saves the last calculation and functions in both landscape and portrait modes.

Is this app free to use?

Yes, the application is described as a free academic tool. While efforts are made to ensure accuracy, users are advised that use is at their own risk and results should be double-checked.

Who is this app intended for?

The application is strictly intended for use by trained medical professionals. It is designed to assist and instruct in the process of converting opioid regimens for patient care.

What opioid drugs and routes are supported?

The app supports conversion to and from opioids commonly prescribed in U.S. hospitals, including morphine, codeine, hydromorphone, hydrocodone, fentanyl, methadone, oxycodone, and oxymorphone. It supports oral, parenteral, and transdermal routes of administration.