Hi,, Before Some Day I Was Suffering From High Fever

hi,,
Before some day i was suffering from high fever then i was fine within four days then my throat infection still i am not able to solow the food properly in this situation new thing start form three day tht piles problem blood is coming and its very unbearable doctor.Even i didn't got my periods last date was 12 jan 2016.weakness is there very tried all things together.For period i am taking regestone 5mg from 4 days .so i want to know tht it will have any side effect in my internal body