The efficacy of Andrographis paniculata drops is to clear away heat and detoxify the toxin, antibacterial and anti-inflammatory, suitable for the treatment of pharyngeal pain caused by wind-heat attacking the throat; Huo Bile Pill's efficacy is to aromatize and clear away heat and pass the orifices. Suitable for the treatment of wind-heat caused by nasopharyngeal diseases; these two from the pharmacological point of view is the same class, and does not conflict, so you can take the same.