How to overcome past emotional trauma to concentrate in salat?

In recent years I have been through difficult times and had major emotional traumas. I noticed after that I no more find joy in *Salat* and *zikr*. I also no more read Quran in a daily basis as I was doing before. I'm taking some medications to fight the depression and psychiatric traumas But the treatment is not working well. I was doing well in my Iman and religious practice few years ago but recently I find myself struggling and fear I'm committing sins by being all the time mind absent and not feeling any joys or peace while praying or reading Qur'an. I also developed a serious faith crisis similar to that experienced by Imam Al Ghazali. I'm not a giant thinker and philosopher like him but I feel I'm going through same faith crisis he experienced. I don't have the Intellectual capabilities of Imam Ghazali to overcome this crisis. Are there any practical advice you can advise me to revert this dreadful feeling and state of mind?