My mother fasts on Mondays and Thursdays as a vow; is it permissible for her to break her fast if she is ill?

The questioner:
Shaykh. The questioner says: My mother fasts on Mondays and Thursdays as a vow for the rest of her life. Is it permissible for her to break her fast on a day if she is invited to lunch or has a gathering, or if she is ill? And if she is unable to continue, what should she do? May Allah reward you with good.

The Shaykh:
Voluntary fasting does not have to be completed. A person is permitted to break it and eat during the day. If he is invited, he has a choice. If he is invited, he should accept the invitation, and then he has a choice between eating and breaking his fast, or continuing to fast, making du'a for the host, and leaving. He makes du'a for him and leaves, as mentioned in the hadith. Yes.

The presenter:
You are welcome. What?

The Shaykh:
And Allah the Exalted knows best, and may Allah send blessings and peace upon our Prophet Muhammad.