Thanks for contacting healthcare magic.
You have problem of severe
constipation problem.
Excessive straing at toilet time may cause
back pain problem.
You have constipation problem last from 3 weeks.
It cause more gas and bloting in stomach.
Do some diet modifications like. ...
Take high fiber foods like whole grains, oats,Apple, beans etc....
Drink more water per day.
Eat fresh fruits and green vegetables.
Don't take gaseous foods like cauliflower, cabbage. ..etc
Avoid furmented foods.
Hot water drinkin early in morning help in bowel movement.
Take ginger or garlic in diet for proper digestion. Beet green help in proper bowel movement.
Lemon water give quick relief in
indigestion.
Simethicon drug can use for gas relief.
Get regular habit of bathroom at same time.
After taking this much care still symptoms are present than you can take stool sofner.
Bulk former agent like psyllium can also use.
Back pain is relived after constipation problem solved.
Abdominal
ultrasound sonography is helpful for diagnose.
Abdominal x ray can helpful for further diagnosis.
I hope my guidance is helpful to you.
Take care.
Thanks.