ANSWER:

If the Muslim doctor advised you not to fast for a legitimate reason, then you may skip fasting and make it up once you are able to do so. If he didn’t find anything wrong with you, you should continue to fast and make a lot of ruqya on yourself.

https://islamqa.info/en/answers/37761/a-sick-person-who-cannot-fast

Since a few years I feel body pains+lethargy the similar one feels during the last hours of fasting. Light headed low on energy unable to get out of bed some days. Doctors dont understand my problem even after ALOT of tests and exam. So, when I fast I just lay in my bed all day long suffering praying for iftar time. But this doesnt worsen my condition only intensifies it. Am I excused from fasting

Fasting | May 7, 2020 5:16 pm
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My mother is a diabetic patient,One month ago her sugar level was out of control so doctor advised her to take insulin and maintain a balanced diet Alhamdullilah her sugar level is in control now, but she wants To have a fast in Ramadan but doctor advised her not to fast if you have to maintain your sugar level.My question is what she as to do in this situation as per the quaran and Hadith?