Was I being polydrugged? 8 Medications in Just 2 Months

This all started after I was unexpectedly told that I might lose my job. The stress and uncertainty hit me hard, and I went to my GP because I felt I needed psychological support. I was referred to a mental health professional who works within a GP practice.
During the appointment, I was emotional and mentioned that I hadn’t been sleeping very well because of everything that was going on.

Medication was suggested to help me sleep.
I was first prescribed temazepam. I experienced very severe side effects that felt like a heart attack: chest pain, pain in my arm and jaw. I became very worried and called the out-of-hours GP service, who told me not to worry and that these were normal side effects. A few days later I went back to my GP and discussed this.

I was then prescribed zolpidem. I experienced similar symptoms again, as well as electrical sensations in my head.

After stopping these medications, my insomnia became significantly worse.
I told my GP about what was happening, and I was then prescribed mirtazapine. While taking it, I developed unexplained bruises on my body even though I hadn’t bumped into anything, and I also started seeing floaters in my vision.

I was then prescribed promethazine. While taking it, I experienced what appeared to be dystonia in my neck. My sleep still wasn’t improving, and I suddenly started having involuntary muscle jerks in my abdomen and severe panic attacks.

After that, I was prescribed trazodone. I had a severe reaction where my nose became so blocked/swollen that I couldn’t breathe through it properly. I still couldn’t sleep and, at one point, I was only sleeping around one hour per night.

My GP also suggested seroquel, sertraline, and lexapro, but I decided not to take these medications.
Looking back, I’m struggling to understand how quickly everything escalated. I originally went to my doctor because I was distressed about potentially losing my job and wanted psychological support.

I mentioned that the stress was affecting my sleep, but within a short period of time I went from stress-related sleep problems to severe insomnia, panic attacks, involuntary movements, unexplained bruising, visual symptoms, and other reactions I had never experienced before. I was also pacing around my house.

At one point I called a suicide helpline, and I also contacted the emergency GP service once.
What concerns me most is that whenever I reported new symptoms, another medication seemed to be introduced.

Within roughly two months, I was prescribed multiple psychoactive medications. Looking back at the sequence of events, I can’t help but wonder whether I was being polydrugged, and whether some of the symptoms being treated with additional medications could actually have been related to the previous medications or medication changes.

Has anyone experienced a similar sequence of events? How did you eventually make sense of what happened?