Is There Any Problem In Taking Lonazep, Tryptomer And Sertraline 50 Together?

I have been taking tryptomer 25 for serveral years but due to shortness of breath Doctor adviced me to take lonazep 1mg anf fluoxetine 20. He told me to stop tryptomer 25 but i cannot stop it. I took all the 3 medicines for around 4 months. I am feeling much better now. Then I told doctor that I have headache and constipation, gastro problem. He changed from fluoxetine to sertraline 50. Is there any problem taking lonazep, tryptomer and sertraline 50 togather?