Embark on an Incredible Journey: The Lares Trek to Machu Picchu.

Lares Trek Altitude Sickness

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Lares Trek altitude sickness
How to avoid Lares Trek altitude sickness

Lares Trek Altitude Sickness occurs when you cannot get enough oxygen from the air at high altitudes. This causes symptoms such as a headache, loss of appetite, and trouble sleeping. It happens most often when people who are not used to high altitudes go quickly to lower altitudes. For example, you may get a headache when you drive over a high mountain pass, hike to a high altitude, or arrive at a mountain resort.

The Lares Trek Altitude Sickness or Altitud Sickness is also known as acute mountain sickness (AMS), altitude illness, hypobaropathy, or Soroche, is a pathological effect of high altitude on humans, caused by acute exposure to low partial pressure of oxygen at high altitude. It commonly occurs above 2,400 masl (approximately 8,000 feet). Acute mountain sickness can progress to high altitude pulmonary edema (HAPE) or high altitude cerebral edema (HACE).The causes of altitude sickness are not fully understood.

The percentage of oxygen in air remains essentially constant with altitude at 21% up until 70,000 feet (21,330 m), but the air pressure (and therefore the number of oxygen molecules) drops as altitude increases — consequently, the available amount of oxygen to sustain mental and physical alertness decreases above 10,000 feet (3,050m). Altitude sickness usually does not affect persons traveling in aircraft because the cabin altitude in modern passenger aircraft is kept to 8,000 feet (2,440 m) or lower. A superficially related condition is chronic mountain sickness, also known as Monge’s disease, occurring only after prolonged exposure to high altitude. An unrelated condition, often confused with altitude sickness, is dehydration, due to the higher rate of water vapor lost from the lungs at higher altitudes.

Those who ascend rapidly to altitudes greater than 2500m (8100 ft) may develop altitude sickness. In Peru, this includes Cusco (3400m) and Lake Titicaca (3800m). Being physically fit offers no protection. Those who have experienced altitude sickness in the past are prone to future episodes. The risk increases with faster ascents, higher altitudes and greater exertion. Symptoms may include headaches, nausea, vomiting, dizziness, malaise, insomnia and loss of appetite. Severe cases may be complicated by fluids in the lungs (high-altitude pulmonary edema) or swelling of the brain (high-altitude cerebral edema) If symptoms are more than mild or persist for more than 24 hours (far less at high altitudes), descend immediately by at least 500 meters and see a doctor.

Help to prevent altitude sickness is the best measure is to spend two nights or more at each rise of 1000m. Alternatively, take 125mg or 250mg of acetozolamide (Diamox) twice or three times daily starting 24 hours before ascent and continuing for 48 hours after arrival at altitude. Possible side effects include increased urinary volume, numbness, tingling, nausea, drowsiness, myopia and temporary impotence. Acetazolamide should not be given to pregnant women or anyone with a history of sulfa allergy. For those who cannot tolerate acetazolamide, the next best option is 4mg of dexamethasone taken four times daily. Unlike acetazolamide, dexamethasone must be tapered gradually upon arrival at altitude; since there is a risk that altitude sickness will occur as the dosage is reduced.

What Causes Lares Trek Altitude Sickness?

When you arrive to Cusco (3,400masl) you´ll find a very thin air; if you don´t get you acclimatization for at less two days your body suffer at high altitudes. When you go too high too fast, your body cannot get as much oxygen as it needs. So you need to breathe faster. This causes the headache and other symptoms of altitude sickness. As your body gets used to the altitude, the symptoms go away.

What are the symptoms for Lares Trek Altitude Sickness?

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. In severe cases, you do not have the energy to eat, dress yourself, or do anything.
  • Waking up during the night and not sleeping well.
  • Feeling dizzy.

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