Vise grip symptoms and conditions

I'm a 53 yr young woman, Prescribed a 2 week dose of Prednisone 1-1/2 weeks ago for continued ear infection and vertigo. Now the headaches are worse, feel like a vise grip is tightening around my skull, vertigo is worse, I'm having hot flashes and night sweats and feel like my blood pressure is rising. I want to just stop taking them but have been told this could be dangerous as well.

I had to have my appendix removed -- told them before surgery that I had very bad chronic acid reflux, so I guess that's why the surgeon wrote orders for them to give me Reglan right after the surgery -- he did not specify for how long, and they kept giving it to me every four hours for the next day or so. Within 24 hours, I had terrible nausea causing violent dry heaves (there was nothing to throw up because I hadn't eaten anything for the previous 24 hours. When I did try a few sips of water or broth, I would immediately vomit that back up). I was dry heaving so hard and so continuously I was afraid I was going to break my stitches from the appendectomy. Also had extreme shortness of breath, like I was having an anxiety attack, extreme stiffness/pain in my neck and head mucles, like the back of my neck and my head were being crushed in a giant vise grip. Felt very dissociated and had trouble focusing my eyes and focusing my attention on anything. .
If I laid down to try to rest, the shortness of breath would get worse -- would feel like I was suffocating. So then I would get up and walk around a little to try to breathe better, and the violent dry heaves would start again until I was so exhausted from them I would try to lay down again to rest a little. Then the shortness of breath would start up again, and I would have to stand up . . . I went round and round like that for a solid 24 hours, no sleep, until the surgeon showed up for his rounds and decided I might be having a reaction to the Reglan, that he hadn't intended for them to keep me on it for that long. They took me off the Reglan, then the surgeon and my regular MD called in a neurologist who prescribed Flexaril for the neck stiffness and Phenergan for the nausea, instead of the Zofran they had been giving me, which wasn't helping.
Within 30 minutes of my first doses of Phenergan and Flexaril (and I had been off the Reglan for about 3-4 hours by then), I was sleeping like a baby, and continued to rest comfortably throughout the night, and was able to go home the next day with prescriptions for Phenergan, Lortab, and Flexaril. I will never, NEVER allow anyone to give me Reglan again -- I seiously felt like I was dying, and it scared the h*ll out of both my husband and me, because I am not the "sickly" type at all, The entire episode was a nightmare, and I am convinced it was directly related to the Reglan.