Medicine for High Altitude Illness in Yunnan

When traveling to high altitudes in Yunnan, it’s important to be prepared for the possibility of Acute Mountain Sickness (AMS). Certain medications can help prevent and treat the symptoms associated with high altitude illness. Here are some commonly recommended medications for managing high altitude sickness:

Preventive Medications

1. Acetazolamide (Diamox)
   • Usage: Often used to prevent AMS. Start taking it 1-2 days before ascending and continue for 2-3 days after reaching high altitude.
   • Dosage: Typically, 125-250 mg twice a day.
   • Side Effects: Can include increased urination, tingling in hands/feet, and altered taste.
2. Dexamethasone
   • Usage: Used for prevention and treatment of severe AMS, HAPE, and HACE.
   • Dosage: For prevention, 4 mg every 12 hours; for treatment, 8 mg initially followed by 4 mg every 6 hours.
   • Side Effects: Insomnia, mood changes, increased blood sugar levels.

Treatment Medications

1. Nifedipine
   • Usage: Used for treating High Altitude Pulmonary Edema (HAPE).
   • Dosage: Typically, 30 mg extended-release form every 12 hours.
   • Side Effects: Can include dizziness, flushing, swelling of the lower limbs.
2. Salmeterol (Serevent)
   • Usage: Used as an inhaler for preventing HAPE in those with a history of the condition.
   • Dosage: As prescribed by a healthcare provider.
   • Side Effects: Can include tremors, headache, muscle cramps.

Additional Medications

1. Ibuprofen or Paracetamol
   • Usage: For headache relief, which is a common symptom of AMS.
   • Dosage: As directed on the packaging or by a healthcare provider.
2. Ondansetron (Zofran)
   • Usage: For nausea and vomiting associated with AMS.
   • Dosage: Typically, 4-8 mg every 8 hours as needed.
   • Side Effects: Can include headache, constipation.

Herbal and Alternative Remedies

1. Ginkgo Biloba
   • Usage: Some studies suggest it may help with altitude sickness prevention.
   • Dosage: Typically, 120 mg twice a day starting 5 days before ascent.
   • Effectiveness: Mixed evidence on effectiveness; consult with a healthcare provider.

General Recommendations

• Consult a Doctor: Always consult a healthcare provider before taking any medication, especially if you have pre-existing health conditions or are on other medications.
• Hydration: Stay well-hydrated, as fluid loss can exacerbate symptoms.
• Slow Ascent: Ascend gradually to allow your body to acclimatize.
• Rest: Avoid strenuous activity upon arrival at high altitude.
• Monitor Symptoms: Be aware of your body’s response and seek medical help if symptoms worsen.

Precautionary Measures

• Carry a Medical Kit: Include all necessary medications, along with basic first aid supplies.
• Know the Locations of Medical Facilities: Familiarize yourself with the nearest medical facilities in high-altitude areas.
• Travel with a Group: It’s safer to travel with others who can assist in case of a medical emergency.

By taking the appropriate medications and following these guidelines, you can better manage the risk of high altitude illness and enjoy a safe and pleasant trip to Yunnan.