In practice, these are usually reserved for hospitalized patients. In epidemics, this is rarely done or necessary after the first cases are diagnosed. If the patient appears to have the flu in a flu epidemic, you can pretty well bet that he does. Direct antigen or card tests are now more widely used in office medical practice. These tests are used to determine whether to start patients on anti-viral therapy, discussed below.
Symptom relief is the same as for common colds and sore throats.
The use of salicylates in children has been associated with Reye syndrome. Amantadine and rimantadine are both active only against influenza A virus. They are effective in the treatment of influenza A when given within 48 hours of the first symptoms of influenza. They are given during the period of acute illness only and for no longer than 5-7 days. Antibiotics should not be used for uncomplicated flu.