This excerpt is taken from the book of Fadhilat al-Shaykh Mubashir Ahmad Rabbani, may Allah have mercy on him, Ahkam and Masail of Ramadan.
Does gargling with medicine break the fast?
Question:.
Does gargling with any medicine break the fast?
Fatwa:.
If the medicine is not swallowed, then the fast does not break, but this should only be done in case of necessity. However, if no part of the medicine enters the stomach, then the fast does not break.