It is not permissible for you not to fast in Ramadaan, and you are obliged to fast unless you are travelling or are sick with an illness that makes you unable to fast, because Allaah says (interpretation of the meaning):
“and whoever is ill or on a journey, the same number [of days which one did not observe Sawm (fasts) must be made up] from other days”
“and [Allaah] has not laid upon you in religion any hardship”
“Allaah burdens not a person beyond his scope”
And the Prophet (peace and blessings of Allaah be upon him) said: “If I command you to do a thing, then do as much of it as you can.”
And Allaah is the Source of strength. May Allaah send blessings and peace upon our Prophet Muhammad and his family and companions.