Fasting after taking medicine to delay menstruation

A question about a woman who took medicine to delay menstruation and fasted, in which Jordan's General Iftaa Department answered that her fast is valid, but that she is not advised to do so as there is no necessity, and that taking it is forbidden if it harms her, even possibly. ¹

The questioner asked about the fast of a woman who took medicine to delay her period. ¹

The Department answered that if a woman takes medicine, sees no menstrual blood and fasts, her fast is valid. ¹ It said she is not advised to do this since there is no necessity for it, and if the medicine harms her, even possibly, taking it is forbidden for her. ¹

Jordan's General Iftaa Department published this fatwa on aliftaa.jo as no. 4112, dated 27 January 2026. ¹ The museum records this text as a historical document attributed to the body or scholar that issued it; it issues no ruling of its own.