How can tourists protect themselves from dengue fever in Sri Lanka?

Dengue fever is a genuine health concern in Sri Lanka particularly during and after the monsoon seasons from May through August and October through December. The disease is transmitted by the Aedes aegypti mosquito which is most active during daylight hours especially early morning and late afternoon. There is currently no widely available vaccine so prevention through avoiding mosquito bites remains your best defense. Apply strong insect repellent containing DEET at minimum thirty percent concentration to all exposed skin and reapply every four to six hours throughout the day. Wear long sleeved shirts, long pants, and socks especially during peak mosquito activity times. Light colored clothing is less attractive to mosquitoes than dark colors. Choose accommodation with proper window screens, air conditioning, or mosquito nets over the bed. Spray your room with insecticide before bedtime and check for standing water in flower vases, buckets, or any containers where mosquitoes breed. Most dengue risk areas are urban regions particularly Colombo, Gampaha, and Kandy rather than rural villages and beach towns. Popular tourist destinations like Ella, Sigiriya, Mirissa, and the east coast beaches generally have lower dengue transmission rates. Symptoms typically appear four to ten days after infection and include sudden high fever, severe headache, intense pain behind the eyes, joint and muscle pain, nausea, and a characteristic skin rash. If you develop these symptoms during or after your trip seek medical attention immediately and request a dengue blood test. Stay well hydrated, rest completely, and avoid aspirin or ibuprofen which can increase bleeding risks. Paracetamol is the safe choice for managing fever and pain. Most dengue cases resolve completely within a week with proper supportive care. Severe dengue hemorrhagic fever requires hospitalization and intravenous fluids but affects only a small percentage of cases. Good travel insurance covering tropical diseases is highly recommended for all visitors to Sri Lanka.