Nilavembu is Siddha Medicine recommended for prevention and management of viral infections/fevers. Nilavembu is a polyherbal formula controls all types of fever associated with body ache. It controls fever in a comprehensive way through its healing effects of temperature regulation, inflammation control and body pain relief. Synergistic action of this herbal combination relieves all types of fever irrespective of the type of causative organism. It exhibits potent antiviral activity against viruses causing Dengue and Chikungunya fever.