Ravi K. Pigili,
Dengue fever or dengue hemorrhagic fever is the most prevalent viral disease caused by dengue virus a family of flavivirus transmitted through aedes aegypti mosquito. Approximately 2.5 billion people word wide affected by this virus. Dengue is single stranded RNA virus, has four serotypes i.e. type 1, 2, 3 and 4. There are no approved antiviral agents or vaccine is available for the treatment of this virus which causes increasing the mortality rate
all over the world. As there are no synthetic drugs available, now it is need to focus on medicinal plants which are considered to be effective, safer and non-toxic. There are several medicinal plant extracts were found to have anti dengue activity, but they are not approved for dengue viral treatment. The present article reviews on the medicinal plants available for their anti-dengue activity and also provided the phytochemical constituents present in those medicinal plants.