
The best remedy is to take sips of plain fluid (which should be water based and not milky) or sugar and salt solutions (obtainable from chemists over the counter).
If there is any continuing problem, or if a young baby is affected, then the surgery would be pleased to give advice on appropriate treatment.
Further advice on common and rare illnesses and conditions is available through the approved site Patient UK which carries a vast amount of accessible and intelligble information.