No.

1. Orange phlegm and cough liquid is a Chinese patent medicine that needs to stay in the mouth so that the medicine can be fully dissolved and absorbed. Drinking water immediately after drinking will dilute the medicine in your mouth and reduce its effectiveness.

2. The ingredients in the orange phlegm and cough liquid will stimulate the gastrointestinal tract. Drinking water immediately after drinking will increase the burden on the gastrointestinal tract and lead to aggravation of discomfort symptoms.