Mirtazapine and sex drive

We are experiencing in-crease in anger control(Short-ness with each other). Drowsy after more than nine days still. Paranoid thoughts still accurring. Sex drive has just started to come back. We are also on HIV medications,Myself also taking xanax for anxiety. Dont know whether this is because of the other medications or not.My anxiety levels has in-creased, as well as my social phobia and sleep is producing realistic dreams now. Other medication i'm on are: Xanax 2.5mg,tenofovir (once at night),3tc(twice daily),propanolol(10mg) 2x at night, Pzotiphan(3 at night)sandomigran, Abacovir(twice daily),losec(Two at Night),imodium(when needed), Panadiene Forte(when needed. The drug avanza also 30mg(one at night) gives me a very strange taste in my mouth every morning and my urine reallly smells as my boyfriend noticed too. I'm a gay man, Aids positve 16 years nearly seventeen years now.