Which areas of Madagascar have the highest malaria risk?

Coastal areas, especially the east and west coasts, have the highest risk. The central highlands above 1,500m (including most of Antananarivo) have lower risk but cases still occur. No area is completely malaria-free.

Can I skip antimalarial medication if I'm only visiting Antananarivo?

No. While risk is lower in the highlands, malaria cases still occur in Antananarivo and most travelers visit multiple areas. Most travel medicine doctors recommend antimalarials for any Madagascar travel.

What if I can't tolerate doxycycline side effects?

Common side effects include stomach upset and sun sensitivity. Take with food and use strong sunscreen. If you have severe side effects, contact your doctor about switching to atovaquone-proguanil (Malarone) or mefloquine alternatives.

Are mosquito coils and plug-in repellents effective?

They provide some protection but shouldn't be your only defense. Use them as additional protection along with DEET repellent and bed nets. Ensure good ventilation when using coils indoors.

How to avoid malaria when traveling in Madagascar

Madagascar has year-round malaria risk in most areas except the highlands above 1,500m. Take antimalarial medication (doxycycline or atovaquone-proguanil), use DEET repellent, sleep under nets, and wear long sleeves after sunset. The risk is highest on the coast and lowest in Antananarivo.

Consult a travel medicine doctor 4-6 weeks before departure. Book an appointment with a travel clinic or your doctor who specializes in travel medicine. They will prescribe the right antimalarial medication based on your itinerary, health conditions, and drug resistance patterns. Doxycycline (100mg daily) or atovaquone-proguanil (Malarone) are most commonly prescribed for Madagascar.
Start taking antimalarial medication as prescribed. Begin doxycycline 1-2 days before travel and continue daily throughout your trip plus 4 weeks after return. For Malarone, start 1-2 days before travel and continue 7 days after return. Take with food to reduce stomach upset. Set phone reminders for consistent timing.
Pack effective mosquito repellent. Bring DEET-based repellent with at least 20% concentration. Picaridin-based repellents also work well. Pack enough for your entire trip plus extra. Apply every 4-6 hours on exposed skin, reapplying after swimming or heavy sweating.
Use physical barriers against mosquitoes. Sleep under a bed net every night, even in air-conditioned rooms. Check nets for holes before sleeping. Wear long pants and long-sleeved shirts from sunset to sunrise when Anopheles mosquitoes are most active. Light-colored clothing is less attractive to mosquitoes.
Choose accommodation wisely. Stay in places with air conditioning, fans, or screened windows when possible. Upper floor rooms typically have fewer mosquitoes. If camping or staying in basic lodging, ensure your bed net is properly tucked under the mattress with no gaps.
Know the symptoms and seek immediate treatment. Watch for fever, chills, headache, muscle aches, or fatigue starting 7 days after first exposure. These symptoms can appear weeks or months after travel. Seek medical care immediately if you develop fever during or after your trip, even if taking antimalarials.

Which areas of Madagascar have the highest malaria risk?: Coastal areas, especially the east and west coasts, have the highest risk. The central highlands above 1,500m (including most of Antananarivo) have lower risk but cases still occur. No area is completely malaria-free.
Can I skip antimalarial medication if I'm only visiting Antananarivo?: No. While risk is lower in the highlands, malaria cases still occur in Antananarivo and most travelers visit multiple areas. Most travel medicine doctors recommend antimalarials for any Madagascar travel.
What if I can't tolerate doxycycline side effects?: Common side effects include stomach upset and sun sensitivity. Take with food and use strong sunscreen. If you have severe side effects, contact your doctor about switching to atovaquone-proguanil (Malarone) or mefloquine alternatives.
Are mosquito coils and plug-in repellents effective?: They provide some protection but shouldn't be your only defense. Use them as additional protection along with DEET repellent and bed nets. Ensure good ventilation when using coils indoors.