Sore Throat/Tonsilitis
    Put 10 drops of grapefruit seed extract into a glass of lukewarm water and gargle extensively with the solution 5 to 6 times a day. in addition, the extract should also be used internally.
Coughs
    Gargle several times a day with 10 drops of grapefruit seed extract in a glass of lukewarm water. If commercially available, grapefruit seed extract cough medication like sprays or lozenges can be used as well. In addition, the extract sho be used internally.

Hoarsehess
    Gargle 3 times a day with a solution made of l 0 drops of grapefruit seed extract in a glass of lukewarm water. It is particularly recommended that you use a product that also contains glycerine. Many singers (for example, Mick Jagger--we've heard) use glycerine to keep their vocal chords smooth.

Laryngitis
    Use as above: Put about 10 drops of grapefruit seed extract into a glass of lukewarm water and gargle with it 3 times a day.