Hi welcome to HCM.... As you ate having no fever , blood in stool , mucus in stool chance of bacterial infection less likely ... You can have functional bowel problem.... For constipation relief you can take ispaghula husk in milk..... Maintain hydration with lots of water ... Fruit juice taken more ... Avoid excess spicy foods , non veg etc.... Green leafy veg more ... Avoid heavy meal .... If symptom not improve than stool routine microscopic examination and stool culture might needed along with USG abdomen .. Take care .... Advise : physician consultation ...