What is the ruling of Islamic law regarding a vow to fast for one day after being discharged from the military by a medical committee, given that the fasting has been repeated approximately 20 times due to obsessive-compulsive disorder, and is what has been fasted sufficient, or must one fast again, especially with doubt about the acceptance of the fast due to forgetting the supplication for breaking the fast?
Since you fasted this day, your obligation for it has been fulfilled, and you are not required to repeat it. This is because doubt concerning an act of worship after its completion has no effect. Similarly, supplicating at the time of breaking the fast is recommended, but omitting it does not affect the validity of the fast. You must turn away from obsessive whispers and not succumb to them.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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