Hi welcome to health care Magic.... You are having functional constipation according to history... There might be secondary infection like gastritis as you are having fever also.... For relief from constipation daily drink lots of fluids. ... Regular exercise is to be done. .. Avoid stress and smoking that leads bloating... Avoid gas forming foods like onion , cabbage, cauliflower, turnip etc.... Take fiber diet more like whole grain, wheat bran and carrot plus green leafy vegetables... You might given ispghula in milk daily for constipation... Ciprofloxacin antibiotic course completed if needed as fever present Take care Advise : physician consultation for examination and if needed USG done...