I have severe constipation. I went to the hospital but no bowel movements since?

I’m 23 year old female, and I have severe constipation. I went to the hospital last Friday with pain and no bowel movement for five days prior,but while I was a the hospital had a bowel movement three time and was prescribed over the counter miralax and to follow up on Doctor. Had X-rays showed no bowel obstruction and blood work normal, had mild urine infection I started miralax over the counter packets Monday everyday , but no bowel movements since and it had been four days,my stomach is bloated,I’m Uncomfortable and my back hurts and my abdomen hurts too all over. What can I do or take to get some relief ? I have IBS,Panic disorder,asthma, low iron and I had gallbladder removed 4 months ago.The medications I take regularly are paroxetine 40 mg, clonazepam .5 mg, pantoprazole 20 mg, ondansetron 4 mg as needed, probiotic , vitamin D 5,000, Claritin over the counter, dymista nasal spray 137 mcg, xopenex HFA, Beta plus dietary supplement, daily multi vitamin with iron.