How to Recognize the Symptoms of Altitude Sickness (2024)

July 18, 2022

How to Recognize the Symptoms of Altitude Sickness (1)

If you live in Denver, you’re likely familiar with the term “altitude sickness.” Both residents and visitors to alpine environments can experience altitude sickness, but it’s most common in individuals who are not acclimated to traveling above sea level. It can cause immediate symptoms including headache, nausea, vomiting, malaise and fatigue.

If you, or someone you know is planning a trip to high altitude areas like the Colorado Rockies, it is important to know how to prevent and identify signs of altitude sickness. Fortunately, there are ways to help your body acclimate to increases in altitude and lessen the likelihood of experiencing any illness.

Altitude Sickness Symptoms

If you are visiting high altitude areas of Colorado like Winter Park, or traveling from a sea level city to a city like Denver, you should give yourself a few days of rest when arriving to your location to help your body acclimate. After your trip from a lower elevation to a high-altitude area it is also important to stay hydrated.

The symptoms of altitude sickness can quickly progress from general headache, nausea, and fatigue to confusion, decreased levels of consciousness, chest tightness, difficulty breathing, shortness of breath and cough. These symptoms should prompt a 911 call or emergent evaluation at a hospital.

Things that can increase the likelihood of getting altitude sickness in the mountains include strenuous exercise, drinking alcohol, having underlying lung problems, moving from low elevation to an altitude above 8000 feet in one day, and a history of prior altitude illness.

Help Your Body Adjust to Higher Altitudes

Unfortunately, we do not have a full understanding about how altitude illness occurs, and it is not always predictable. A few ways you can help your body adjust to a high altitude include:

  • Ascending to a higher altitude slowly. Consider staying at a medium altitude of 4,000 to 6,000 ft above sea level for at least a day before ascending to your high-altitude destination
  • Hydrate before and after you arrive to altitude (a good rule of thumb is drinking enough fluids/water to keep your urine light yellow).
  • Choose light activities for the first 48 hours at altitude (sightseeing, light hiking, boating, ATV riding, scenic gondola rides, etc.).
  • Minimize or avoid alcohol and caffeine while at higher altitudes.
  • Talk to your primary care provider if you have had altitude illness before to discuss if prevention medications might help.

Don’t Dismiss Altitude Sickness Symptoms: Seek Medical Care Immediately

It’s impossible to be completely prepared for when and if you begin experiencing altitude sickness but knowing the symptoms can help you recognize the need to rest, hydrate, and seek medical attention if necessary.

About Denver Health Winter Park Medical Center

Denver Health has emergency and urgent care locations across Denver and even in Winter Park, CO. The Denver Health Winter Park Medical Center now offers primary, urgent and emergency care services year-round. Whether you are seeking help in the summer or winter, we are here to serve you the best possible altitude sickness treatment care.

How to Recognize the Symptoms of Altitude Sickness (2024)

FAQs

How to Recognize the Symptoms of Altitude Sickness? ›

Altitude illness is divided into 3 syndromes: acute mountain sickness (AMS), high-altitude cerebral edema (HACE), and high-altitude pulmonary edema (HAPE). Some clinicians consider high-altitude headache a separate entity because isolated headache can occur without the combined symptoms that define AMS.

What are the symptoms of altitude? ›

The symptoms of altitude sickness include:
  • A headache, which is usually throbbing. It gets worse during the night and when you wake up.
  • Not feeling like eating.
  • Feeling sick to your stomach. You may vomit.
  • Feeling weak and tired. ...
  • Waking up during the night and not sleeping well.
  • Feeling dizzy.

How do you solve altitude sickness? ›

Treatment approaches include:
  1. Stop and acclimate. Stopping and resting is a good idea at the first signs of altitude sickness.
  2. Descend. If symptoms are more severe (such as additional dizziness, fatigue or nausea) or get worse, descending is a top priority. ...
  3. Supplemental oxygen. ...
  4. Medications. ...
  5. Hyperbaric therapy.
Aug 21, 2023

What are the three stages of altitude sickness? ›

Altitude illness is divided into 3 syndromes: acute mountain sickness (AMS), high-altitude cerebral edema (HACE), and high-altitude pulmonary edema (HAPE). Some clinicians consider high-altitude headache a separate entity because isolated headache can occur without the combined symptoms that define AMS.

Which are the symptoms of altitude sickness quizlet? ›

headache, nausea, vomiting, sleep disturbance, and dyspnea. These symptoms have been attributed to a tissue disruption in the brain that affects the sodium and potassium balance. How long does acute mountain sickness? may last up to 3 days.

What are 4 symptoms of altitude sickness? ›

The main symptoms include:
  • a headache.
  • loss of appetite.
  • feeling or being sick.
  • feeling tired or exhausted.
  • dizziness.
  • difficulty sleeping.

At what elevation do you feel altitude sickness? ›

If you plan to travel to an elevation higher than 8,000 feet above sea level or higher, you may be at risk for altitude illness, which is caused by low oxygen levels in the air. Below are tips you can follow to prevent altitude illness.

When do hace symptoms usually begin? ›

Clinically and pathophysiologically, HACE has been considered extension of acute mountain sickness (AMS), characterized by features of encephalopathy. Generally, it takes 3-5 days to develop HACE after AMS.

What is the immediate treatment of altitude sickness? ›

Give them aspirin or paracetamol in the usual recommended doses. Encourage them to breathe deeply every few minutes to decrease the level of carbon dioxide in their blood. Give them the recommended doses of the drug dexamethasone. In severe cases of altitude sickness, descend immediately.

Does drinking a lot of water help with altitude sickness? ›

Altitude sickness is one of the problems that you might experience. Many people who go to high places might not know the importance of drinking water at high altitude. As a medical oxygen supplier, we know that high altitude hydration can be the difference between doing well in high altitude or feeling sick.

Who suffers most in altitude sickness? ›

The risk of developing altitude sickness between the genders is believed to be equal. However, some observational studies have shown that women have a slightly higher risk than men.

Should I take altitude sickness tablets? ›

To prevent altitude sickness, start taking acetazolamide 1 to 2 days before you start to climb. Continue taking it while you are climbing and for at least 48 hours after you have reached your final altitude. You may need to continue taking this medication while staying at the high altitude to control your symptoms.

How long does it take to recover from severe altitude sickness? ›

Symptoms from acute mountain sickness will go away after two or three days of rest at a lower altitude.

What does a person experienced altitude sickness show? ›

Symptoms may include headaches, vomiting, tiredness, confusion, trouble sleeping, and dizziness. Acute mountain sickness can progress to high-altitude pulmonary edema (HAPE) with associated shortness of breath or high-altitude cerebral edema (HACE) with associated confusion.

Does high altitude cause tingling? ›

Tingling fingers, feet and lips, and a feeling akin to a hangover are common problems. Occasionally, rashes and blood dyscrasias occur.

How does the body adjust to a higher altitude? ›

When we travel to high mountain areas, our bodies initially develop inefficient physiological responses. There is an increase in breathing and heart rate to as much as double, even while resting. Pulse rate and blood pressure go up sharply as our hearts pump harder to get more oxygen to the cells.

How does high altitude affect the body? ›

What happens in the body in high altitudes? Within seconds of exposure to altitude, ventilation is increased, meaning we start trying to breathe more, as the body responds to less oxygen in each breath, and attempts to increase oxygen uptake.

What happens to your body at very high altitude? ›

A rapid depressurisation to the low pressures of high altitudes can trigger altitude decompression sickness. The physiological responses to high altitude include hyperventilation, polycythemia, increased capillary density in muscle and hypoxic pulmonary vasoconstriction–increased intracellular oxidative enzymes.

How long does altitude sickness last? ›

These symptoms may be mild or severe. AMS symptoms are often the worst after the first night and improve within one day if you do not ascend to a higher altitude. Symptoms may return as you travel higher. However, symptoms can sometimes persist for days, even if you do not climb higher.

What happens when a person goes to high altitude? ›

At altitude the air pressure is lower and this means there is less oxygen available to your body when you breath. We need oxygen for our bodies to work properly. The process of your body adapting to the lower oxygen levels is called acclimatisation and it takes about 3 to 5 days.

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