If he is unable to fast, this is permissible.

My father is 70 years old and is on medication. This medication can be taken outside fasting hours however at his age he beginning to find the fasting, especially the long hours in the UK difficult as he experiences from a lot of thirst immediately after suhoor. He has fasted all his life but is asking if it permissible to give fidyah this year? Is this allowed for him?

Fasting | April 23, 2017 8:40 am
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sheik, if a person performs voluntary fasts of monday & thursdays after fajr , i mean he makes his intention after 10 am & completes after maghrib, is it permissible ? will this person gets the reward of fasting?
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My question is, is it permissible to take medicine to delay periods in Ramzan so that I can complete my obligatory fasts within Ramzan? I found it very difficult to complete my obligatory fasts I missed due to monthly periods after Ramzan. If yes will those fasts in Ramzan will be acceptable by Allah?