Ruling on one who is excused from fasting having intercourse during the day in Ramadan
Question

                My wife and I are not fasting because of an excuse, which is chronic sickness. Am I allowed to be intimate with her during the day in Ramadan?
Praise be to Allah.
    If both spouses are excused from 
    fasting during Ramadan, such as if they are travelling or they are sick with 
    an illness that makes it permissible not to fast, in this case it is 
    permissible for them to have intercourse during the day in Ramadan, without 
    needing to offer expiation. 

    Ash-Shiraazi (may Allah have 
    mercy on him) said: If he breaks the fast by having intercourse when he is 
    sick or travelling, no expiation is required, because it is permissible for 
    him not to fast, so no expiation is required when it is permissible not to 
    fast.

    End quote from al-Muhadhdhab 
    (6/373) 

    Shaykh ‘Abd al-‘Azeez (may Allah 
    have mercy on him) said in Majmoo‘ Fataawa Shaykh Ibn Baaz (15/307):

    If the one who has intercourse 
    during the day in Ramadan is travelling or is sick with an illness that 
    makes it permissible for him not to fast, then no expiation is required of 
    him, and there is no blame on him, but he has to make up the day on which he 
    had intercourse, because it is permissible for one who is sick or travelling 
    to not fast, by having intercourse or otherwise.

    End quote 

    In a case such as yours, where 
    there is chronic sickness, you may refrain from fasting and feed one poor 
    person for each day. 

    And Allah knows best.