Homeopathic medicines commonly used in case of dengue viral fever are as follows: -
Eupatorium - When pains in body and back is excruciating and of intense severity.
Pyrogen - When there are signs of heavy bacterial infection in blood with scorching fever.
Arsenicum album – When marked tiredness, nausea and thirst for continuous sips of water is experienced.
China - When the patient is cold and clammy covered with perspiration and severely prostrated.
Phosphorus - When purplish spots appear on skin indicating bleeding from small capillaries.
For prophylaxis the medicine of choice varies from region to region and is made known to physicians by team of expert doctors who find consistently a set of symptoms, which can be covered by one remedy. In the recent outbreak in South India Eupatorium 200 was selected as Genus Epidemicus for prevention of dengue fevers.