Severe bloating and constipation.

Hello Doctor, Below are my symptoms and medications that I took. Please note that the intensity of these are increasing. Since past 1.5 months irregular bowel movement. Severe gastric issues experienced for past few days. Not sure if it was a gastric attack, but last Sunday early morning I wasn't able to breathe , neither burp or release gas build up in any form. Pan 40 is helping.Taking it twice a day since last 7 days. Experiencing Pins and needles in the body mostly in legs, even while sleeping. Not continuous but sometimes. Feels dizzy and vision blurs sometimes. Fatigued all day. Can't even pick a little weight. Makes breathing difficult. Taking Vitamin D also once a week as it's level is low. Constipation is not getting cured even with Senasof medicine and isabgol. 14 days back I was down with fever for 3 days. P650 was taken. I was prescribed - tab AB500 for 5 days and tab Befadox for 10 days by a local GP. But still the problem. Looking for an advice. Thank you !