Medical IDs for Malignant Hyperthermia

Living with malignant hyperthermia (MH) susceptibility or having a family member with the syndrome can be scary, as it can hinder your sense of security and wellbeing. But with proper treatment and planning, being susceptible to malignant hyperthermia does not have to mean living a life of fear and insecurity. Having a MedicAlert ID bracelet and membership delivers 24/7 peace of mind support and is a critical part of a comprehensive care plan for anyone living with malignant hyperthermia. 

MedicAlert is more than a medical ID; it is protection and confidence knowing that you or your loved one with MH has round-the-clock support from trained professionals. With a MedicAlert ID and membership, emergency medical information is securely stored in a MedicAlert profile where first responders can access it should it be needed. You can live your life with self-assurance knowing that you will be taken care of should an emergency occur.

How Does a Malignant Hyperthermia ID Bracelet Work?

In the event of an emergency, EMTs can respond and arrive promptly at the scene and deliver life-saving care. But certain medical conditions which require specialized care are often not immediately obvious. 

Someone undergoing a serious medical emergency can’t always communicate with medical professionals. Emergency contacts are not always called. This means that health conditions can be missed and this can have serious, sometimes fatal, consequences.

That’s where a malignant hyperthermia ID bracelet comes in. During an emergency, MedicAlert relays your vital information to ensure fast, accurate treatment. Each MedicAlert ID bracelet is engraved with the name of your condition and your ID number that medical professionals can access 24/7 via the MedicAlert emergency health record portal. MedicAlert has trained professionals standing by around the clock to relay your critical information so you receive the best, and the fastest care.

The importance of a medical ID bracelet

Wearing a medical ID at all times ensures your medical conditions are immediately known in an emergency.

When first responders see your MedicAlert ID, they know to contact MedicAlert to get your complete health record.

Get protected 24/7 with a MedicAlert ID and membership.

What is Malignant Hyperthermia?

Malignant hyperthermia is a rare, but serious condition which causes a severe reaction to drugs used for anesthesia. The reaction occurs specifically in response to certain anesthetic gasses used to block pain sensation during surgery.

People at risk of MH may experience an increased heart rate, breathing, body temperature (hyperthermia), increased blood acid levels, muscle rigidity, and muscle fiber breakdown. Symptoms of malignant hyperthermia: temperature of the body is elevated, rapid heartbeat and possibly irregular, blood acid levels rise, muscles become stiff. 

If not treated promptly, malignant hyperthermia can cause heart failure, kidney failure, and internal bleeding/abnormal blood clotting. These complications can be fatal if not treated quickly.

What Triggers Malignant Hyperthermia?

Malignant hyperthermia triggers include anesthetic gasses such as halothane, desflurane, sevoflurane, and succinylcholine. 

Individuals affected by this syndrome may never know they have the condition, unless they experience a severe reaction to anesthesia during surgery or if they get tested for it.  

People who are susceptible to this syndrome may be at greater risk for awake malignant hyperthermia. This is another type of MH that is triggered by physical exercise (often while the person is sick), instead of exposure to a triggering anesthetic drug. 

Malignant hyperthermia can be triggered in people that do not have other pre-existing conditions. However, genetic muscle diseases including STAC3 disorder, central core disease, and multiminicore disease are associated with the disorder.

Early Signs of Malignant Hyperthermia

Symptoms of malignant hyperthermia generally come on quickly. When a person is experiencing MH, the muscles react to anesthesia by releasing calcium. This causes muscles to shrink and stiffen. Other early symptoms include:

  • Rapid and/or irregular heartbeat
  • Elevated temperature (hyperthermia)
  • Increased blood acid levels

If not treated quickly, malignant hyperthermia can lead to multiple organ failure and even death.

Is Malignant Hyperthermia Genetic?

Yes, if one parent has the gene for malignant hyperthermia, the child has a 50% chance of inheriting MH susceptibility. Most people with genetic muscle conditions like Central Core Disease or Multi-Minicore disease are at greater risk of MH.

Do I Need a Medical ID if I Have Malignant Hyperthermia?

There are two main reasons why a malignant hyperthermia ID bracelet is crucial for someone susceptible to the condition: 

  1. Since MH can be brought on by vigorous exercise, this may be the cause of the 911 call in the first place. If this is the case, then the first responder needs to know to deliver the proper care. A malignant hyperthermia ID bracelet alerts medical professionals of the condition so that correct treatment can be delivered.

Malignant hyperthermia is a rare syndrome, occurring in only 1 in 5,000 to 50,000 instances in which people are given anesthesia. Without proper identification and access to emergency medical records that MedicAlert provides, the condition may be overlooked in the event of an emergency. If an individual undergoing an emergency has malignant hyperthermia susceptibility and is treated with traditional anesthesia, serious complications can occur, possibly even death.

Where Can I Purchase a Medical Bracelet for Malignant Hyperthermia?


  1. Order online and specify medical information (i.e. Malignant Hyperthermia) you want to be engraved on the bracelet, necklace, or other medical alert jewelry of your choice.
  2. Once you receive your MedicAlert ID, you can choose one of our affordable membership plans which offer life-saving support. 
  3. Your bracelet or necklace will have your identification number engraved on it so those first responders can access your digital medical file and deliver the proper care as quickly as possible.

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