Dengue Fever- Symptoms, Causes and Treatment. As we all know dengue fever is a viral infection that is caused by the Aedes mosquito. It spreads only when the Aedes mosquito bites an infected person and then bites someone else. Its symptoms begin with a high fever within 4-7 days after being bitten by an infected mosquito. There are many ways to avoid this dengue fever. -Reduce Mosquito Habitat, Stay in well-tested homes, Use mosquito repellent, wear protective clothing, and Sleep under a mosquito net. But what if you have symptoms of dengue fever? The treatment is possible if a clinical diagnosis is made early. Dr. KPR's Lab diagnoses your blood test to check the presence of viral infection. Dr. KPR's Lab provides a Dengue test panel that includes CBC, IGM & IGG, SGOT, and SGPT at an affordable cost. Its pathology lab is WHO-GMP certified and also has a fully automated lab.