Opioid Halo™

First and only FDA-authorized device to alert you in the event of an opioid overdose

5 out of 5 Customer Rating

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Opioid Halo™

Opioid Halo™

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Opioid Halo™

Opioids are powerful painkillers. But they can also have serious side effects, even when taking a prescribed dose.*

  • Monitors physiological marker data to identify the risk of opioid overdose, which may cause slowed or stopped breathing
  • Powered by Masimo SET® pulse oximetry, which is trusted by 9 of the top 10 U.S. hospitals**
  • Provides visual and audible alarms when signs of opioid-induced respiratory depression are detected
  • Sends escalating alerts to the person and their emergency contacts, followed by an automated wellness call that may lead to EMS being dispatched
  • Includes an advanced pattern recognition algorithm
  • No prescription required
Opioid Halo

Opioid Overdose Prevention
& Alert System†

Opioid Overdose Prevention
& Alert System†

Watch How It Works

Get Everything You Need to Stay Alert

Opioid Halo Includes:

Intuitive Mobile App
Home Medical hub
Tetherless Sensor‡
Masimo Halo App

Help Protect Your Loved One in Case of an Emergency

Opioid Halo detects high or increasing risk of overdose and sends escalating alerts when help is needed.

Download now on the iOS App Store or Google Play.

Features a lightweight, disposable fingertip sensor that communicates wirelessly to the mobile app

Details & Specifications

What’s in the Box

  • Masimo Sensors

    2 easy-to-apply, disposable sensors measure oxygen level and pulse rate (each single-use sensor lasts up to 96 hours in typical continuous usage)

  • Masimo Halo App

    Displays monitoring status. Cloud sends alerts to the Home Medical Hub and mobile device. Compatible with most mobile devices (mobile device not included).

  • Replacement Tapes

    12 replacement tapes are provided for sensor application

  • Masimo Chip

    Reusable chip snaps into the sensor and communicates with the Home Medical Hub

  • Home Medical Hub

    Collects data from Masimo Sensor. Sends data to the smartphone app.

  • Power Adapter

    USB power adapter

Opioid Halo™

Frequently Asked Questions

Opioid Halo™

Frequently Asked Questions

The Opioid Halo System is indicated for the noninvasive continuous monitoring of individuals 15 years and older for the identification of when they may be experiencing a substance-induced impairment of oxygenation (e.g., opioid-induced respiratory depression (OIRD) caused by oral or injectable opioids).

Yes, we offer complimentary expeditied services on all US orders.

You can return or exchange new, unopened product purchased directly from Masimo within 30 days of the original purchase date. Please read our return policy for more details.

The sensor is water resistant (IP22 rating) – it can be worn in the shower but should not be submerged.

Opioid Halo is compatible with Android and iOS devices.

Visit MyMasimo.com for more details on how to use Opioid Halo and for answers to any further questions you may have.

Want to know more? Explore More FAQs

Experience the Power of Masimo

Experience the Power of Masimo

    *U.S. Department of Veteran Affairs. https://www.pbm.va.gov/PBM/AcademicDetailingService/Documents/Academic_Detailing_Educational_Material_Catalog/40_IB_921_OEND_Direct_to_Consumer_Patient_Brochure.pdf.
      †Opioid Halo continuously monitors certain physiological parameters that are indicative of opioid-induced respiratory depression – a sign of opioid overdose – in order to alert users and their emergency contacts so that action can be taken to avoid adverse consequences of an overdose.
      ‡Disposable. Each sensor lasts up to 96 hours in typical continuous usage.
      §Emergency contacts must agree to receive alerts.
      Not rechargeable.