Why Pre-Travel Medical Planning Matters: A Physician’s Experience in Southeast Asia
Preparing for Travel in Southeast Asia
We decided to travel through Southeast Asia, beginning with a flight from San Francisco to Singapore, followed by visits to Thailand, Laos, Vietnam, and Cambodia.
Prior to departure, we completed a [Pre-Travel Medical Consultation] and ensured our vaccinations were fully up to date. This included influenza, RSV, typhoid fever, and Japanese encephalitis vaccines. During this visit, we also reviewed recommended [Travel Vaccines] based on our itinerary and activities.
After our consultation, we also personalized a [Travel Emergency Medical Kit], ensuring we were prepared for common medical issues while abroad.
When Medical Preparation Becomes Essential Abroad
An Unexpected Dental and Sinus Emergency
Soon after landing in Singapore—following a smooth 15-hour flight on Singapore Airlines—I developed pain in my left upper molar accompanied by frontal sinus pressure. There were no dental services readily available, and by nightfall the pain significantly disrupted my sleep.
The following morning, the sinus above the painful tooth felt full and throbbing. Being far from both a dentist and a pharmacy, I relied on my emergency medical kit, initially using acetaminophen for pain control. Fortunately, I had also brought a pre-prescribed antibiotic intended for dental infections. After starting treatment, both the tooth pain and sinus discomfort improved substantially.
Continuing the Journey Through Laos and Vietnam
Travel to Luang Prabang, Laos
After a wonderful stay in Thailand, we flew on to Laos. The flight was uneventful, though several passengers were coughing—something not uncommon on long, full flights.
We arrived in Luang Prabang and stayed at the remarkable Satri House, a beautifully preserved historic property once home to the last prince of Laos. The atmosphere was serene and regal, with classic Indochine architecture and lush surroundings.
Visiting Hanoi and Cruising Hạ Long Bay
Three days later, we traveled to Hanoi, Vietnam, followed by a cruise through Hạ Long Bay, famous for its emerald waters, limestone islands, and rainforested peaks. The area is also known for kayaking, hiking, and climbing—and even served as a filming location for The Man with the Golden Gun.
Recognizing and Treating Influenza While Traveling
Toward the end of our trip, I began feeling fatigued and developed a sore throat and cough. At that point, my earlier dental infection had fully resolved.
My symptoms progressed to include body aches, congestion, chills, and fatigue. I did not experience shortness of breath, chest pain, or dizziness. Based on symptoms and timing, this was most consistent with influenza.
Because my emergency medical kit had been tailored during my [Pre-Travel Medical Consultation], I was able to initiate oseltamivir (Tamiflu) promptly.
The Importance of Vaccination and Public Health Awareness
Over the next few days, my fever resolved and I gradually improved. After returning home, review of CDC surveillance data revealed that Thailand was experiencing a significant influenza A (H3N2) outbreak at the time of our travel.
While influenza vaccines are typically 40–60% effective depending on strain match, vaccination remains critical. Even when infection occurs, vaccination significantly reduces the risk of severe illness, hospitalization, and death.
In this case, vaccination very likely prevented a far more serious outcome.
Final Takeaway for International Travelers
Medical issues don’t pause just because you’re traveling — and access to care is not always immediate or familiar. Pre-travel medical planning, appropriate vaccination, and a personalized emergency medical kit can make the difference between a manageable illness and a medical crisis abroad.