Botanical name: Andrographis paniculata
English: Nilavembu Decoction, Andrographis Decoction, King of Bitters Decoction
Tamil: Nilavembu Kudineer (நிலவேம்பு குடிநீர்), Nilavembu Kashayam (நிலவேம்பு கஷாயம்)
Malayalam: Nilaveppu Kashayam (നിലവേപ്പ് കഷായം), Kiriyatta Kudineer (കിരിയാത്ത കുടിനീര്)
Kannada: Nelabevu Kashaya (ನೆಲಬೇವು ಕಷಾಯ), Kirayata Kashaya (ಕಿರಾಯತ ಕಷಾಯ)
Telugu: Nilavemu Kashayam (నీలవేము కషాయం), Nelavemu Kudineer (నెలవేము కుడినీర్)
Hindi: Kalmegh Kashaya (कलमेघ कषाय), Hara Chirayata Kashaya (हरा चिरायता कषाय)
Sanskrit: Kirata Kashayam (किरात कषायम्), Bhunimba Kashayam (भूनिम्ब कषायम्)
Nilavembu Kudineer is a traditional Siddha herbal decoction widely used in Tamil Nadu for its antipyretic, anti-inflammatory, and immune-boosting properties