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How to Prevent Altitude Sickness on Annapurna Base Camp Trek?
Annapurna Base Camp Trek: A Comprehensive Description
The Annapurna Base Camp Trek gives the brief but thrilling Himalayan experience. Annapurna Base Camp Trek is also popular as ABC. The ABC trek begins with jeep drive from Pokhara (2,700 ft / 820 m) to Jhino Danda (5,840 ft / 1,780 m), a scenic village renowned for its natural hot springs at the bank of Modi River. The drive of 3 to 4 hours from Pokhara is in one direction by jeep. The Annapurna Base Camp trek at Jhino Danda begins trekking towards Annapurna Base Camp (ABC) and returns to the same starting point to create a loop. Annapurna Base Camp Trek Via Poon Hill is always better option than going directly to ABC via Jhino and Ghandruk.
Trekking from Pokhara to ABC is a round-trip distance of about 37 miles (60 kilometers) on foot. The entire trek generally takes 5 to 7 days. Trekkers hike daily for 4 to 7 hours in Annapurna Base camp Trek, covering 5 to 10 miles (8 to 16 kilometers) in average. The Annapurna Base Camp route slowly gains altitude through forests, stone steps, farm terraces, and traditional Gurung villages. The ABC trail is entirely based in Annapurna Conservation Area.
The Annapurna Base Camp route offers spectacular views of Annapurna I (26,545 ft / 8,091 m), Machapuchare (22,943 ft / 6,993 m), Hiunchuli (21,132 ft / 6,441 m), and Annapurna South (23,684 ft / 7,219 m). From ABC (13,550 ft / 4,130 m), you can see Himalayan giants standing before you 360 degrees. The natural amphitheater is the crown jewel of the Annapurna Trek from Pokhara.
ABC Trail conditions range from stone steps to forest trails and alpine high country. The most challenging section of Annapruna Base Camp Trek is between Deurali (10,597 ft / 3,230 m) and ABC, with both altitude gain and steep ridges. The Annapruna trek as a whole is moderate to moderately difficult.
Accommodations in ABC Trek are teahouses that have basic rooms and communal toilets. They are mostly equipped with Wi-Fi and hot showers. Foods on ABC Trek includes Nepali dal bhat, noodles, pasta, soups, eggs, and seasonal vegetables. Food is simple but fresh and filling along the ABC Trek from Pokhara.
March to May and September to November are the ideal times to trek to Annapurna Base Camp from Pokhara. There is favorable weather, clear landscapes, and spring flowers of rhododendrons during these times.
You need an ACAP permit and TIMS card to undertake this trek. It is extremely advisable to have a guide for security and way-finding. Having a porter helps with luggage and makes trekking easier.
Trekking to Annapurna Base Camp from Pokhara offers spectacular mountain views, cultural encounters, and satisfying trail accomplishment.
Altitude Sickness on Annapurna Base Camp Trek
Yes, altitude sickness is possible during the Annapurna Base Camp (ABC) Trek. Even though ABC (4,130 m) is below the 5,000-meter risk area unlike Everest Base Camp(5364m), the risk does exist. Trekkers experience symptoms at an elevation above 2,500 m. while doing Annapurna Base Camp Trek. The risk begins around Chhomrong (2,170 m) and is more significant beyond Himalaya (2,920 m), Deurali (3,200 m), and Machapuchare Base Camp (MBC, 3,700 m).
Altitude Sickness Symptoms include headache, dizziness, nausea, loss of appetite, fatigue, and shortness of breath. The signs usually occur 6–24 hours following ascent. Untreated mild Acute Mountain Sickness (AMS) can develop into High Altitude Pulmonary Edema (HAPE) or High Altitude Cerebral Edema (HACE). Both are life-threatening conditions that need immediate treatment.
To avoid the risk of Altitude Sickness on Annapurna Base Camp Trek, climb gradually. Avoid going from Deurali to ABC in a single day. Overnight stay at MBC (3,700 m) and allow your body to acclimatize. Drink plenty of water and don't consume alcohol. Have sufficient carbos for energy. Trust your body. Stop climbing if symptoms occur. Descend or rest if they intensify.
If the altitude sickness symptoms aggravate in ABC Trek, descend at least 500–1,000 meters promptly. Use Diamox (acetazolamide) if prescribed by a doctor. In extreme situations, request an emergency evacuation. Helicopter evacuation can be done from MBC or ABC but is subject to weather conditions.
Most trekkers complete the ABC trek without incident of altitude sickness if they take precautions. Proper acclimatization, slow climb, and caution avoid altitude sickness. Always inform your guide or tour when you are unwell. Acting early avoids serious consequences.
Altitude Sickness Trigger Zone on Annapurna Base Camp Trek
Altitude sickness may strike the trekkers at and beyond 2,500 meters during Annapurna Base Camp Trek. The risk of altitude sickness increases as you ascend higher during your ABC Trekking. During Annapurna Base Camp (ABC) Trek, there are a number of zones where trekkers should be cautious.
The ascent from Chhomrong (2,170m) to Himalaya (2,920m) is where the altitude sickness on Annapurna Base Camp Trek begins. Some will experience mild symptoms here. Headache, loss of appetite, and disturbed sleep may start. It will usually stay in check with slow ascent and drinking fluids.
Himalaya to Deurali (3,200m) section is a gentle climb. Oxygen levels drop dramatically. Trekkers may start to feel lightheaded or weak. This section is likely to induce altitude sickness. Rest frequently. Drink water. Avoid alcohol.
Deurali to Machapuchare Base Camp (MBC) at 3,700m is a steep ascent. This section of the trek is a common trigger area for Acute Mountain Sickness (AMS). Symptoms become worse: nausea, dizziness, shortness of breath. Some people have tightness in chest. Do not ignore these symptoms. Acclimatize overnight at MBC if you feel so.
Dangers area is MBC to Annapurna Base Camp (4,130m). Most ascend this in one day. It is extremely risky. Many trekkers develop headache, fatigue, and confusion here. It is not safe to push on.
Altitude sickness Symptoms on ABC Trek worsen, do not ascend further. Rest where you are or descend lower. Pushing higher can cause HAPE or HACE. These are killers.
Use Diamox if advised. Stay warm. Inform your guide or group.
The key is listen to your body. AMS is not a weakness. It’s your body’s signal. Always prioritize health over goals.
Proper acclimatization, hydration, and awareness can prevent altitude sickness on Annapurna Base Camp Trek most cases.
Altitude Sickness on Annapurna Base Camp Trek: What Research Says
Sometimes, altitude sickness can be a real threat on the Annapurna Base Camp (ABC) Trek. The trek rises from 820 m at Nayapul to 4,130 m at ABC. Several studies highlight the risk of acute mountain sickness (AMS) as trekkers ascend quickly during ABC Trek.
Basnyat et al. (2000) found that 34% of trekkers above 3,000 m in Nepal had AMS symptoms. Another study by Hackett and Roach (2001) found that rapid ascent and poor acclimatization were significant stimuli. The Himalayan Rescue Association (HRA) study shows that 25%–30% of trekkers along the ABC trail experience AMS, especially above Deurali (3,230 m) and Machapuchare Base Camp (3,700 m). ABC itself stands at 4,130 m, where oxygen is 60% of sea level.
Most cases of AMS on Annapurna Base Camp Trek start from Deurali. Most trekkers feel breathless, dizzy, or nauseous. Some return at this point. Few proceed to Machapuchare Base Camp and develop worse symptoms. A few are evacuated by helicopter.
Actually, exact numbers having altitude sickness on ABC Trek vary from year to year. There are on average 20–30 helicopter rescues on this trail each month during high season, mainly from ABC and MBC. Deaths are rare due to altitude sickness on Annapurna Base Camp Trek. Experts estimate fewer than 5 deaths each year due to AMS on the ABC trek. These are usually due to neglect of symptoms and no descent.
About 10 out of 100 trekkers experience moderate to severe AMS on ABC Trek. About 5 out of 100 turn back due to altitude. Nevertheless, the success rate of the trek is high. More than 90 out of 100 trekkers can complete the trek if they spend some time acclimatizing.
In brief, altitude sickness is natural but preventable on the ABC trek. Proper pacing, hydration, and rest days between Chhomrong (2,170 m) and Deurali avoid AMS. Slower pace and monitoring are evidently backed by science as the best prevention.
Altitude Sickness on Annapurna Base Camp Trek: 10 Mistakes that Trigger
1. Ascending Too Quickly
Rising too quickly is more likely to develop into Acute Mountain Sickness (AMS) on Annapurna Base Camp Trek. On the ABC trail, some trekkers rush from Chhomrong (2,170 m) to Deurali (3,230 m) or even Machapuchare Base Camp (MBC, 3,700 m) within one day. The quick 1,500 m climb leaves little time to acclimatize. The mistake of omission is to skip overnight stays at Himalaya (2,920 m) or Deurali, which are natural points of acclimatization. Most have symptoms of dizziness and nausea at MBC. Rushing causes dangerous symptoms above 3,000 m. Gradual approaches, with constant pacing and regular pauses, significantly reduce risk. Stick to the rule: "Climb high, sleep low," and never ascend more than 500 m of sleeping altitude a day above 2,500 m.
2. Skipping Acclimatization Days
The ABC route technically doesn't have rest days, unlike the Everest Base Camp route. However, acclimatization is necessary after crossing 2,500 m. Most avoid acclimatization at Himalaya (2,920 m) or Deurali (3,230 m) and reach ABC (4,130 m) early. Such a sudden rise typically leads to AMS. Trekkers are okay at MBC (3,700 m) but are sick at ABC in the morning are a good example. Slow altitude gain is required. Even night acclimatization more at Deurali allows the body some time for acclimatization. Slow ascent with overnight camps less than 3,500 m is what guides tend to advise. Listen to this warning—AMS can delay or dash your summit attempt.
3. Not Drinking Enough Water
Dehydration worsens the symptoms of AMS. Trekkers regularly underestimate water requirements, especially above 2,500 m. In the cold altitudes like MBC (3,700 m) and ABC (4,130 m), people consume less water due to low thirst. But dehydrating dry air and effort require additional fluid. Headaches and fatigue at ABC often result from dehydration instead of altitude. One of the trekkers at Deurali (3,230 m) mentioned that he had experienced dizziness only to return to normal after rehydration. Carry a bottle and aim at 3-4 liters of fluids daily. Avoid caffeine-containing drinks in lodges and stick to warm water, herbal tea, or electrolyte solution.
4. Overexerting Yourself
Pushing your limits on high slopes like Chhomrong to Sinuwa (2,340 m) or Bamboo to Deurali (2,920 m to 3,230 m) exhausts the body and compromises its ability to acclimatize to height. An exhausted body can't acclimatize. Too many overdo extended days like Himalaya to ABC and burn out upon arrival. A trekker walked from Sinuwa (2,340 m) to MBC (3,700 m) in one day and later needed evacuation for bad AMS. Split your days logically. Add buffer days if needed. Shorter trekking times with continuous pace enable your body to acclimatize naturally and minimize the risk of AMS on Annapurna Base Camp Trek.
5. Ignoring Early Signs
AMS typically starts with minor symptoms: headache, fatigue, or loss of appetite. Most dismiss these since they think it is normal fatigue. At Deurali (3,230 m) or MBC (3,700 m), the symptoms can be extremely rapid to progress. One MBC trekker reported headache and breathlessness, but proceeded to ABC (4,130 m). He slipped by nightfall and had to descend immediately. AMS can go ahead rapidly without notice. If you experience symptoms above 2,500 m, descend or rest at once. Resting at Himalaya (2,920 m) or Deurali may rescue you from something worse. Always inform your guide or teahouse keeper of your condition.
6. Sleeping Higher Than Recommended
Sleep altitude has a greater effect on AMS than day altitude. Trekkers ascending to MBC (3,700 m) and sleeping there without acclimatizing are likely to feel unwell. An example at ABC (4,130 m) was that of a trekker who bypassed Deurali (3,230 m) and slept there instead. He was nauseated and confused for the night. Even if you ascend to a higher point, descend to sleep at a lower place. Sleeping at Himalaya (2,920 m) before going up to MBC (3,700 m) is safer. Follow the "sleep low" rule to allow recovery. Prioritize setting up overnight altitude gains correctly, especially above 3,000 m.
7. Alcohol or Smoking
Alcohol and smoking reduce oxygen consumption and worsen AMS. Pokhara (822 m) bars invite drinking before and after treks. Some lodges at Jhinu Danda (1,780 m) also provide alcohol and cigarettes. Consumption of alcohol during trekking exacerbates dehydration, disrupts sleep, and blunts AMS symptoms. In one of the Sinuwa groups (2,340 m), people consumed alcohol and took warning signs lightly—one had to be evacuated back due to AMS at MBC (3,700 m). Avoid alcohol and tobacco above 2,500 m. Party afterwards, after the trek. Your body needs clean air and water, not poison, to cope with the altitude.
8. Wearing Inadequate Clothing
Freezing temperatures are found in MBC (3,700 m) and ABC (4,130 m) at night. Trekkers overdress too much and take only light jackets. Hypothermia and cold stress the body and hinder acclimatization. One trekker in Deurali (3,230 m) came down with a fever due to poor layering and had to go back. Use a layering system: base, insulate, and outer cover. Gloves, hats, and thermal socks are needed. Layered warm dry clothing allows your body to focus on altitude adaptation instead of fighting cold. Inadequate gear increases your vulnerability to AMS and discomfort in high-altitude regions.
9. Skipping Meals
Decreased intake affects energy levels and decelerates acclimatization. Some lose appetite above 3,000 m, especially at MBC (3,700 m) or ABC (4,130 m). One of the team members skipped dinner at Himalaya (2,920 m) due to nausea and was weak the next day. Calories sustain warmth, energy, and oxygen flow. Simple foods such as dal bhat or garlic soup at Deurali (3,230 m) contribute greatly. Force small bites if appetite disappears. Do not skip meals altogether. Correct nutrition drives acclimatization. Bring snacks such as nuts, energy bars, or glucose tablets as reserve along the trail.
10. Trekking Without Heeding Your Body
Altitude requires being in tune with oneself. Forcing on through pain, denying fatigue, or concealing symptoms is risky. On the ABC hike, most neglect subtle symptoms because of peer pressure or lack of time. A single hiker disregarded recurring dizziness at Sinuwa (2,340 m) and was evacuated from MBC (3,700 m). Listen to your body and rest when fatigued, eat when hungry, and rest if sick. The mountain will still be there. Your health is more important. Always speak out, sleep when required, and do not compare your speed with others.
How to Prevent Altitude Sickness on Annapurna Base Camp Trek: 10 best Tips
1. Ascend Gradually: Refraining from Hurrying the Itinerary
Why: The key to preventing altitude sickness is providing your body with an opportunity to acclimatize to decreasing oxygen levels.
Where & When: From Ghandruk (1,940 m) to ABC (4,130 m), the increase in altitude is rapid. From Deurali (3,230 m) to Machapuchare Base Camp (3,700 m), most people do develop symptoms if rushed.
How: Take buffer days. Spend extra days in Chhomrong (2,170 m) or Himalaya Hotel (2,920 m) to acclimatize. Do not ascend more than 500–600 meters in elevation per day over 2,500 m.
For Example: Stay overnight at Deurali (3,230 m) before going to MBC. Do not try going from Himalaya to ABC in a single day.
Important: Through planning your ascent carefully, you give your body time to acclimatize.
2. Hydrate Well, Consistently
Why: Dehydration increases your chances of developing acute mountain sickness (AMS).
Where & When: On steep slopes like from Chhomrong (2,170 m) to Sinuwa (2,360 m), you lose more sweat and liquid fast. Also, the dry mountain environment at MBC (3,700 m) and ABC (4,130 m) causes faster dehydration.
How: Consume 3–4 liters of water daily. Refrain from alcohol and caffeine, especially after Bamboo (2,310 m).
For Example: Bring a hydration bladder or water bottles and re-fill at teahouses. Purification tablets from Dovan (2,500 m) to Himalaya (2,920 m) where there are streams available.
Important: Water to drink is simple but a crucial part of your mountain security.
3. Acclimatization Breaks at Strategic Locations
Why: Breaks give your body time to acclimatize without the pressure of further ascent.
Where & When: Acclimatize at Chhomrong (2,170 m), Himalaya (2,920 m), or Deurali (3,230 m).
How: Rest day or short hike up higher before sleeping low again. "Climb high, sleep low" does improve oxygen consumption.
For Example: Spend one more day at Deurali and make a short hike up to MBC (3,700 m) and return for the night.
Important: Strategic rest on the trail makes a huge performance and comfort difference.
4. Pay Heed to Early Symptoms of AMS
Why: Early detection of AMS prevents serious conditions like HAPE or HACE.
Where & When: Symptoms of AMS typically appear between Himalaya (2,920 m) and ABC (4,130 m).
How: Pay heed to headache, nausea, lethargy, or dizziness. If symptoms worsen, desist from climbing.
For Example: If you develop a headache at MBC (3,700 m), rest or descend to Deurali (3,230 m). Do not proceed to ABC.
Important: Paying attention to your body is as important as heeding the map.
5. Rest at Lower Altitudes When You Can
Why: Your body has a better chance of healing at lower altitudes.
Where & When: Rather than resting at ABC (4,130 m) as soon as you arrive, descend to MBC (3,700 m) for the night.
How: Start early to ABC, have the scenery and pics, and descend before dusk.
For Example: Start from MBC at 6:00 AM, reach ABC at 9:00 AM, descend for lunch.
Important: A short period of exposure to high altitude reduces your chance of AMS significantly.
6. Take Diamox Preventively if Advised
Why: Diamox (Acetazolamide) acclimatizes your body by increasing breathing rate.
Where & When: Start taking it one day prior to reaching Himalaya (2,920 m) or as advised by a doctor.
How: Standard dose is 125 mg twice daily. Take with meal and let doctor know beforehand.
Example: Take Diamox from Chhomrong (2,170 m) if prone to AMS or climb fast.
Important: If used properly, Diamox can be a reliable aid in high-altitude trekking.
7. Take Sufficient Carbs for Energy and Acclimatization
Why: Your body spends more energy and oxygen at higher altitudes. Carbs regulate this.
Where & When: After Bamboo (2,310 m), there is less food and less appetite.
How: Eat dal bhat, porridge, noodles, or chapati. Never miss meals even when feeling tired or nauseated.
For Example: At Deurali (3,230 m), eat a big carb-full meal even if you are not hungry.
Important: Feeding your trek with food is not just for energy—you acclimatize and recover.
8. Dress for Cold-Induced Fatigue
Why: Cold weather tires your body and dampens immune defenses, leaving you more vulnerable to AMS.
Where & When: Between Deurali (3,230 m) and ABC (4,130 m), morning and evening temperatures fall below 0°C in spring and autumn.
How: Use layering. Wear a base thermal, insulating fleece, and water-resistant shell. Cover extremities.
For Example: Wearing a down jacket at MBC (3,700 m) and ABC. Wearing thermal socks and a hat to sleep.
Important: Staying warm allows your body to focus on acclimatization to altitude instead of temperature regulation.
9. Abandon Alcohol and Smoking Completely
Why: Alcohol and nicotine reduce oxygen supply and compromise acclimatization.
Where & When: While local raksi (drink) or cigarettes are fine at Jhinu Danda (1,760 m) or Chhomrong (2,170 m), both are to be shunned above 2,500 m.
How: Stick to warm tea, garlic soup, and liquid hydration.
For Example: Take ginger tea in Himalaya (2,920 m) instead of partying with a drink. You will be more energetic the next morning.
Important: Staying sober on the trek is a great decision that preserves your health and energy.
10. Turn Back or Descend When Necessary
Why: Descending alone will cure AMS if symptoms become more severe. Waiting can be fatal.
Where & When: Symptoms may worsen quickly between MBC (3,700 m) and ABC (4,130 m).
How: Descend 300–500 meters at once if you are not well. The reduced oxygen relieves the symptoms immediately.
Example: Turn back to MBC or Deurali (3,230 m) the same day if you experience dizziness or shortness of breath at ABC.
Important: To know your limit is not weakness—it's a decision that gets you through alive and ready for future adventures.
Altitude Sickness on Annapurna Base Camp Trek: 20 Must Pack List that Prevent
1. Diamox (Acetazolamide)
Diamox forestalls and relieves altitude sickness symptoms by stimulating the breathing process and increasing oxygenation. Start taking it while climbing to Chhomrong (2,170 m) or higher, always under the guidance of a doctor.
2. Pulse Oximeter
This handy device monitors your oxygen level and pulse. Wear it daily from Deurali (3,230 m) on to detect early hypoxia signs and take appropriate action.
3. Reusable Water Bottle with Filter
Hydrate is the greatest preventive measure against AMS. Carry a 1-liter bottle with a built-in filter to drink safely, particularly between Sinuwa (2,340 m) and Machapuchare Base Camp (3,700 m) where bottled water is pricey and scarce.
4. Electrolyte Tablets
Altitude dehydrates you faster. Electrolyte tablets replenish sodium and potassium levels, preventing exhaustion and headache. Take them from Bamboo (2,310 m) onwards on long climbs.
5. Thermal Flask
Hot beverages like herbal teas and soups are good for hydration and heat. A thermal flask keeps them warm on cold ascents, especially between ABC (4,130 m) and Himalaya (2,920 m).
6. Lightweight Down Jacket
Cold exposure can worsen altitude sickness. A good down jacket keeps your body temperature even at high-altitude camps like MBC (3,700 m) and ABC (4,130 m) where temperatures at night drop below freezing.
7. Trekking Poles
Trekking poles minimize leg fatigue and keep the pace stable, which is essential to avoid fatigue at high altitude. Use them regularly from Chhomrong to ABC on uphill and downhill slopes.
8. UV Protective Sunglasses
UV radiations become stronger at higher altitudes. Eye protection minimizes headaches and tiredness, particularly when walking through snowy areas near ABC (4,130 m).
9. Wide-brim Hat or Cap
Sunlight dries out and fatigues you very quickly. Wear a hat for day ascents in the area around Jhinu Danda (1,780 m) and beyond to save energy and prevent overheating.
10. Buff or Neck Gaiter
The convenient piece of gear protects from cold air and dry winds that irritate lungs and cause cough. It is especially useful between Himalaya (2,920 m) and MBC (3,700 m) on windy days.
11. Moisturizing Lip Balm and Nasal Saline Spray
Chapped lips and nose are normal at altitude and can cause breathing discomfort. Use these from Deurali (3,230 m) onwards.
12. High Calorie Content Snacks (Nuts, Chocolates, Energy Bars)
Maintenance of energy levels supports acclimatization. Snack frequently while going from Sinuwa to ABC and especially on longer intervals between Deurali and MBC.
13. Sleeping Bag -10°C Rated
Good rest allows for recovery and adjustment. Accommodation at MBC (3,700 m) and ABC (4,130 m) is chilly, and blankets may be insufficient. A hot sleeping bag promises good nights' sleep.
14. Oxygen Canister (Optional for Emergencies)
Oxygen canisters are not a substitute for acclimatization but come to the rescue in the case of severe AMS attacks. Take it past Deurali (3,230 m) if you are highly altitude-sensitive.
15. Warm Gloves and Woolen Hat
Keeping extremities warm also avoids loss of body heat. Utilize them from above Himalaya (2,920 m) onwards, where it becomes very chilly in the evenings.
16. Layered Clothing System
A layering system allows you to modify the body temperature without sweating or getting too cold. You will need flexibility when walking in and out of ABC (4,130 m), where the weather fluctuates quickly.
17. Map or Offline GPS App
Knowing your path helps to pace and avoids going too hard. Paper maps or apps like Maps.me from Ghandruk (1,940 m) to ABC to make mindful day ascents.
18. Waterproof Backpack Cover
Keeping your gear dry prevents cold and damp exposure. It's used in surprise showers between Chhomrong and Deurali, where the weather changes rapidly.
19. Headlamp with Spare Batteries
Power blackouts are common in teahouses higher than Deurali (3,230 m). A headlamp provides safe descent at night and helps take charge of your nighttime activities peacefully and stress-free.
20. Personal First Aid Kit (Including Ibuprofen and Antiseptic Cream)
Altitude headaches and minor injuries can distract and sap you. A personal kit assures quick self-help, especially above Himalaya (2,920 m) where medical help is scarce.
Final Words
Altitude sickness on the Annapurna Base Camp (ABC) Trek is possible but less probable compared to the higher treks like Everest Base Camp. However, it can still happen in trekkers above 2,500 meters while climbing above Himalaya. It increases significantly after Chhomrong (2,170 m), especially after Deurali (3,230 m) and all the way to ABC (4,130 m).
The most hazardous altitude sickness trigger area lies between Deurali and ABC. The rapid gain in height, fewer plants, and shorter oxygen supply make this part dangerous. Trekkers skip Machapuchare Base Camp (3,700 m), which makes the climb steep without acclimatization.
To prevent altitude sickness on Annapurna Base Camp Trek, ascend slowly, drink lots of water, and avoid alcohol. Add an extra overnight stay at Deurali or MBC. Listen to your body. If any symptoms of headache or nausea arise, descend immediately.
ABC Trek can be both safe and rewarding with good preparation. Train hard, sleep well, and follow altitude rules. With smart planning and information, anyone can experience this breathtaking journey with confidence.
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