Hello Doc. My husband had throat infection ( viral) around 5days from now, he also had fever with chills, but temperature remaind just below 100 F(98F-99.6F). Consulted our Doc he gave no medecine for infection just acetaminophen for fever. Now fever is gone , throat pain is lot better, but he is complaining for weekness is this normal or some thing to worry for? What should we do for weekness?