Are there any flu remedies?

Antiviral. If you have the flu hydrate well w water, herbal teas, soup or juice. Drink sufficiently to have pale to light yellow urine. You can use pain relievers like tylenol (acetaminophen) or nsaid’s. Rest a lot! in some situations antiviral medications (tamiflu, relenza, flumadine) may be prescribed within the first couple of days of symptoms to hasten healing or they can be used after flu exposure to prevent illness.
Yes. Flu is a viral infection and usually takes about 5 days after infection though had lingered upto 2 weeks in few. Prescription medication within the first 48 hours of symptoms appearing had decreased the severity of symptoms otherwise symptomatic treatment is adviced. Best is for prevention by way of vaccination annually to the kids, elderly, immune deficiencies and healthcare givers and workers.