I have been fever with vigorous shaking chills from last four days. As soon as I take paracetamol, it remains normal for 5 6 hours but with weakness. I have done medical checkup and everything is fine , absence of malarial parasites , cbc etc I visited a physician , he suggested levofloxacin, levocitrizine Cough syrup and para. I have taken one dose of above medicines but sṭil getting chills . Should I add antiviral such as tamiflu ? This really is irritating, pls help