My mom is 52 years old. She is taking medicine for gas and blood pressure and
cholestrol. But few days ago she devoloped a sore throat and low fever and weakness. After taking medicine she was perfect but after some days from yesterday she again had a little throat pain pper palate pain. Burning under nose. And also she feeling feverish, chills and weakness. But when i checked there is no fever in thermometer. What is this??? Why she feeling fever and weakness??