Everyone's situation is different, but I think many of us go through phases where we're rather do something else (or nothing at all...).

I needed a break this past winter, initially because I just wanted to focus on other activities for a while, then because I was very busy at work, putting in extra hours and just generally angry at a new manager who wastes my time and treats me like an idiot. Things finally calmed down last month and the weather finally warmed up enough to ride comfortably in the evening after work, and I was reminded after my first post-work ride of the year how happy I feel after a nice bike ride.

In your case, it sounds like you need to focus on your health first. Hopefully the medication will start to help. Then maybe try a short ride or two, and see how you feel.