Nilavembu Kudineer is widely used in Siddha medicine to combat, prevent and manage of all types of viral infections and fevers. As mentioned above, the herbal decoction has various medicinal properties, which include 
antioxidant, antiviral, antibacterial, anti-inflammatory, antipyretic, analgesic, etc. It is also a digestive stimulant and acts as immunomodulator, which boosts immunity and helps to protect from infections and their complications.
Nilavembu Kudineer reduces fever and relieves body aches, fatigue, headache and controls infections caused by pathogens. The herbal drug also has detoxifying properties. Also Read: Preventing dengue fever - Five 
best home remedies
Nilavembu Kudineer is generally recommended for viral fevers, including dengue and chikungunya.
Nilavembu Kudineer is considered safe for most individuals when taken as per doctor's instructions and in recommended dosage.
The polyherbal decoction can be consumed as a drink.
Just add 2 to 3 teaspoons (around 10 grams) of powder to 250ml of water. Boil the decoction untill it reduces to about 60ml. You can consume about 30 to 60 ml of this warm decoction twice a
 day on an empty stomach. Since the taste of the decoction is bitter, you can add honey or palm jaggery to it.