Hii,my mother is suffering from fever ,chills, headache and constipation from past 5 days.She has the urge to defaecate but nothing comes out,she has to apply alot of pressure and it burns a lot.She has constant headache and the fever comes and goes,took medicines too but still not working,currently taking cremaffin for constipation .wbc count and haemoglobin count has dropped. What could be the reason? Please help