Ohhhhhh do you have to do that right in my ear . The flu virus. Its a really big deal. And with fever, aches, and chills, mom knows it needs a big solution an antiviral. Dont kid around with the flu, call your doctor within the first 48 hours of symptoms and ask about prescription tamiflu. Attack the flu virus at its source with tamiflu, an antiviral that helps stop it from spreading in the body. Tamiflu in liquid form is fda approved to treat the flu in people two weeks of age and older whose flu symptoms started within the last two days. Before taking tamiflu tell your doctor if youre pregnant, nursing, have Serious Health conditions, or take other medicines. If you develop an allergic reaction, a severe rash, or signs of unusual behavior, stop taking tamiflu and call your doctor immediately. Children and adolescents in particular may be at an increased risk of seizures, confusion, or abnormal behavior. The most common side effects are mild to moderate nausea and vomiting. Antiflu .