Related to stomach and anal area.

I am having dark brown loose motion since a week.i feel urge to defecate even after pooping.i paas stools usually 3-4 times a day since this problem started.i feel discomfort and burning sensation in anal and rectal area after passing stools for few hrs.i don't like eating anything home made but i haven't lost appetite.i feel hungry like usual day .One day after eating ordered noodles i have passed 7 stools a day.But after eating home made bland food,i pass 3 loose stools a day usually.i missed periods this month .i am an unmarried girl .i had fever for two days but it went away itself . Nowadays i usually paas 3-4 dark brown loose stools a day.i only eat hone made food .no medicine is working over me .i still feel urge to defecate even after pooping and burning sensation.one thing more i want to mention that i can't tolerate any spice smell or taste since 8-9 months so I don't eat any pulse and veggie.i only eat chawal mashed potatoes, pumpkin blame sbzi and bhindi bhaji mostly.