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Peru
Risk:
Moderate
Health Overview
Altitude illness is the most immediate health risk for travelers to Peru — Cusco sits at 3,400m (11,150ft) and Lake Titicaca at 3,812m. Travelers flying directly from sea level to Cusco frequently develop acute mountain sickness. Malaria and dengue are present in the Amazon basin. Lima has excellent private hospitals. The prepared traveler acclimatizes properly, carries altitude medication, and has an evacuation plan from remote Andean and Amazon locations.
Key Health Risks
High
Altitude Illness
Cusco at 3,400m, Lake Titicaca at 3,812m. 50-75% of travelers to Cusco develop some AMS symptoms. Acetazolamide (Diamox) recommended. Acclimatize 24-48 hours before trekking. Coca tea helps mild symptoms.
High
Traveler's Diarrhea
Common especially outside Lima. Carry azithromycin. Avoid tap water, raw vegetables, and unpeeled fruit.
Moderate
Dengue Fever
Coastal lowlands and Amazon basin. Increasing case counts in Piura, Ica, and Loreto regions. DEET essential for Amazon travel.
Health Risk Callout
Do not fly directly from sea level to Cusco and immediately begin trekking. Allow 24-48 hours for acclimatization. Acetazolamide should be discussed with your travel medicine provider.
Other Health Risks
Altitude illness (primary concern), rabies, Chagas disease (rural), bartonellosis (Oroya fever — Andean valleys), typhoid | 2026 UPDATE: Oropouche virus: CDC 'Oropouche in the Americas' Level 1 THN (updated 2025-09-18) now lists Peru among affected countries (with Brazil, Cuba, Panama); a documented Oropouche outbreak occurred in Loreto Oct 2024-Mar 2025. Stored Peru CDC advisory and mosquito-risk fields do not mention Oropouche. (https://wwwnc.cdc.gov/travel/notices, 2025-09-18)
Regional Information
Regional Risk Callout
Lima (sea level) has excellent healthcare and low infectious disease risk. Cusco/Sacred Valley (3,400m) — altitude illness is the primary concern. Amazon basin (Iquitos, Madre de Dios) carries malaria, dengue, and yellow fever risk. The Inca Trail and remote Andean treks require altitude preparedness and evacuation planning.
Regional Healthcare Callout
Cusco clinics can manage AMS with oxygen but not severe HACE/HAPE — descent or evacuation to Lima is required. Amazon lodges have basic first aid only. Inca Trail has no medical facilities.
Vaccine and Malaria Prevention
💉 Entry Vaccine Required
Yellow Fever vaccination required if arriving from a YF-endemic country. Recommended for Amazon basin travel.
🛡️ Recommended Vaccines
CDC recommends Hepatitis A, Typhoid, Yellow Fever (Amazon travel), Hepatitis B, Rabies (adventure/rural), Routine (Tdap, MMR, Flu, COVID-19)
🦟 Malaria Information
- Risk Level: Moderate
- Areas: Amazon basin only: Loreto (Iquitos), Madre de Dios, San Martin, Junin lowlands. No risk in Lima, Cusco, Machu Picchu, or highlands above 2,000m.
- Recommended Drug: Atovaquone-proguanil (Malarone) or Doxycycline for Amazon. Chloroquine may be used for some low-resistance areas.
- Drug Resistance: Yes
P. falciparum with some chloroquine resistance in Amazon basin — atovaquone-proguanil or doxycycline preferred for Loreto and Madre de Dios. No prophylaxis needed for Cusco, Sacred Valley, or Machu Picchu.
Moderate
Physician Note
Dr. Robert
Emergency Medicine · 25+ Years · 40+ Countries
Peru is an amazing country and Machu Picchu is worth every bit of the preparation it requires. The altitude issue is the most important. Cusco is at 11,150 feet and the altitude is a real issue.
The protocol is simple: fly to Cusco, rest 24-48 hours, hydrate, and consider acetazolamide. Coca tea is genuinely helpful for mild AMS. For Amazon travel, the malaria and dengue risk is real — full mosquito protocol and prophylaxis.
Be sure to consult your Dr. prior to travel to discuss
Pre-Departure Checklist
8+ Weeks
- Be sure to consult your Dr. prior to travel to discuss
- CDC recommends Get Yellow Fever vaccine if visiting Amazon. Complete Hep A/B, Typhoid. Discuss acetazolamide prescription.
2-4 Weeks
- Fill altitude medication and malaria prophylaxis if Amazon-bound
- Purchase evacuation insurance
- Plan 24-48hr acclimatization in Cusco
Day Of
- Begin acetazolamide 24hrs before altitude
- Pack DEET for Amazon, warm layers for highlands
- Carry printed hospital contacts for Lima and Cusco
Trip Type Guidance
Adventure
- Inca Trail and Amazon are the draws — altitude prep and malaria prophylaxis respectively are non-negotiable
Family
- Cusco and Sacred Valley excellent with acclimatization plan
Mission
- Verify altitude tolerance for highland communities
- Carry comprehensive kit.
Business
- Lima healthcare is excellent
- Sea-level city.
Notes
Special Evacuation Notes
Evacuation from Cusco to Lima by air is approximately 1.5 hours. Amazon evacuation can be complex — confirm coverage for remote jungle locations.
Safety Notes
Petty theft and express kidnapping in Lima. Tourist robberies on Inca Trail and in Cusco. Use ATMs inside banks only. Peru is earthquake-prone. El Nino can cause severe flooding.
partner recommendation
Medical Evacuation & Assistance
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Good For
Adventure
Family
Mission
Business