Raw Onion

• Peel and cut an onion in half. Grate the half using a grater and mix it with a spoonful of honey. Eat the entire mixture with a spoonful as a flu remedy. The honey will also help soothe your throat and raw onion will have the most benefit in fighting flu viruses.
  
  

Onion tea

• Peel and cut an onion, and place it into three cups of boiling water. Allow the juice to cool so that it is not burning hot, and drink it to relieve flu symptoms. The tea can be used several times a day until flu has disappeared.
  
  

Onion Poultice

• Sautee chopped onion in olive oil, adding 1-2 tablespoons of flour to make a thick paste. Apply the warm onion poultice onto a cheese cloth, and place it on your chest. Keep the cheese cloth between your skin and onion poultice to prevent skin irritation.
  Onion's anti-inflammatory properties help relieve respiratory congestion from a flu.