The 5-Minute Hack That Could Save Your Life: Setting Up Emergency Medical ID

Written by:
Friedrich Lämmel
A photo of a person in medical emergency

Most people don’t realize their smartphones already hold a tool that could save their lives. If you ever have a medical emergency and can’t speak for yourself, first responders can access critical information, like allergies, medications, and emergency contacts, directly from your locked screen. Yet, millions never set it up. Taking five minutes today could make all the difference tomorrow.

In this article, we’ll show you exactly how to do it. You’ll learn why your phone’s Medical ID feature is essential in emergencies, how to set it up step-by-step on both iPhone and Android, what information to include (and what to avoid), and how to activate your phone’s Emergency SOS feature. It’s a simple guide for something that could be life-saving—because when seconds matter, your phone should be ready to speak for you.

Why Emergency ID Is Critical

Previously, we already talked about setting a health ecosystem in your phone. But in an emergency, every second matters, and your smartphone might hold the information that saves your life. Most people carry their phones everywhere, yet very few have their Medical ID or Emergency Information set up. These built-in features allow first responders to access vital medical details directly from your locked screen, even if you can’t speak for yourself.

Paramedics are trained to look for this information right away. When your phone is unlocked through the “Emergency” option, it can display your key health data, giving them immediate insight into your medical history, conditions, or allergies. Without it, responders must rely on guesswork or delayed medical records, wasting crucial time.

Why this matters:

  • Quick access to allergies and medication lists can prevent dangerous treatments.
  • Contacting family or emergency contacts becomes immediate.
  • Clear identification helps avoid confusion if you’re unresponsive or without ID.
  • It can inform doctors about chronic conditions such as diabetes, asthma, or heart disease.
  • It gives medical staff accurate data in multilingual or travel situations.

Imagine collapsing during a morning run. You’re unconscious, your phone is locked, and your wallet is at home. Paramedics check your phone’s emergency screen and instantly see your allergy to penicillin and your spouse’s number. Those few seconds could prevent a severe reaction and alert your loved ones immediately.

Setting up your emergency medical information takes less than five minutes. It’s one of the simplest yet most effective digital health precautions you can take, a small action that could make a life-saving difference when it matters most.

iPhone Guide: Setting Up Medical ID

Setting up your Medical ID on an iPhone is one of the easiest and most effective steps you can take to make your health information instantly accessible in an emergency. Apple designed this feature to give first responders immediate access to critical details from your locked screen, without compromising your privacy. Here’s how to set it up in just a few minutes.

Step-by-step setup:

  1. Open the Health app.

    Tap your profile picture in the top-right corner, then select Medical ID.

  2. Add key health details.

    Fill in information such as:


    • Allergies (e.g., penicillin, latex)
    • Medical conditions (e.g., asthma, diabetes)
    • Current medications
    • Blood type
    • Organ donor status
    • Emergency contact(s) with phone numbers

  3. Enable “Show When Locked.”

    This option ensures that first responders can view your Medical ID directly from your iPhone’s lock screen.

  4. Review Emergency SOS settings.

    Go to Settings → Emergency SOS to make sure features like “Call with Hold” or “Call After Serious Crash” are enabled for fast emergency response.

Pro Tip:

Once set up, test it. Lock your iPhone, tap Emergency, then Medical ID, and you should see your entered details. It only takes five minutes to complete, but this simple setup could save your life when every second matters.

Android Guide: Setting Up Medical Information

Android phones also come with a built-in way to make your medical information and emergency contacts accessible even when your device is locked. The exact steps vary slightly depending on your brand (Samsung, Google Pixel, Xiaomi, etc.), but the overall process is simple and universal.

Step-by-step setup:

  1. Open Safety Settings


    • Go to Settings → Safety & Emergency, or open the Personal Safety app (on Pixel and newer Android versions).

  2. Add Medical Information


    • Fill in essential details such as:


      • Medical conditions (e.g., asthma, heart disease)
      • Allergies (e.g., nuts, penicillin)
      • Current medications
      • Blood type and any special health notes

  3. Add Emergency Contacts


    • Tap Emergency Contacts and select trusted family or friends. These contacts can be called by first responders directly from your lock screen.

  4. Enable Lock Screen Visibility


    • Make sure “Show on Lock Screen” or a similar option is turned on, so emergency personnel can access the information without unlocking your phone.

Bonus Tip: Activate Emergency SOS

Most Android phones include an Emergency SOS feature that automatically calls emergency services and shares your location.

  • Go to Settings → Safety & Emergency → Emergency SOS

  • Enable it, then test by pressing your power button 5 times quickly.

Setting this up ensures that, in an emergency, your Android becomes more than a phone; it becomes a life-saving communication tool.

What Are The Best Practices: What to Include (and What Not To)

When setting up your Medical ID or Emergency Information, the key is to make it useful but not overly detailed. You want to provide first responders with information that helps them act quickly, while keeping sensitive personal data protected.

What to include:

  • Allergies: especially those that could cause severe reactions (e.g., medications, foods, latex).
  • Current medications: list active prescriptions and dosages if relevant.
  • Chronic conditions: such as diabetes, asthma, or heart disease.
  • Blood type: helpful for transfusions in emergencies.
  • Emergency contacts: include names and phone numbers of trusted people.

What to avoid:

  • Insurance or social security numbers.
  • Home or work addresses.
  • Detailed medical histories or personal IDs.

Finally, make it a habit to review and update your information regularly, especially after medication changes, new diagnoses, or updates to emergency contact numbers. Keeping it current ensures it stays truly life-saving.

How To Activate Emergency SOS

Both iPhone and Android devices include an Emergency SOS feature that can automatically contact emergency services, share your location, and alert your chosen contacts, all without needing to unlock your phone. Knowing how to activate it can make all the difference in a critical situation.

On iPhone:

Press and hold the side button and either volume button until the Emergency SOS slider appears. Keep holding to automatically call emergency services. You can manage this under Settings → Emergency SOS to enable “Call with Hold” or “Call After Serious Crash.”

On Android:

Press the power button 5 times quickly to trigger Emergency SOS. This will call local emergency services and can optionally send your location and an alert message to your emergency contacts.

Always test the feature safely. You can use the “demo” or “cancel” option to practice without making an actual emergency call.

How Thryve Powers Medical Emergency Information 

Whether you’re out for a run, driving, or simply away from home, these features ensure first responders have the critical details they need as soon as possible. From allergies and medications to emergency contacts, the right information at the right time can literally save your life. Taking a few minutes today to configure it means being prepared when every second counts.

At Thryve, we believe that accessible, connected health data saves lives not only in emergencies but in everyday prevention. By harmonizing wearable and health data across hundreds of devices, Thryve empowers organizations and individuals to act on insights securely and in real time. Our API offers: 

  • Seamless Device Integration: Easily connect over 500 other health monitoring devices to your platform, eliminating the need for multiple integrations.
  • Standardized Biometric Models: Automatically harmonize biometric data streams, including heart rate, sleep metrics, skin temperature, activity levels, and HRV, making the data actionable and consistent across devices.
  • GDPR-Compliant Infrastructure: Ensure full compliance with international privacy and security standards, including GDPR and HIPAA. All data is securely encrypted and managed according to the highest privacy requirements.  

Explore how Thryve can help you create digital tools that make personal health data more meaningful and actionable.
Book a demo today!

Friedrich Lämmel

CEO of Thryve

Friedrich Lämmel is CEO of Thryve, the plug & play API to access and understand 24/7 health data from wearables and medical trackers. Prior to Thryve, he built eCommerce platforms with billions of turnover and worked and lived in several countries in Europe and beyond.

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