Keeping yourself hydrated helps to fight disease. It will also help to keep your throat moist, reducing pain. Do not drink alcohol, coffee and caffeinated soda, all of which can make dehydration worse. Dissolve a ½ teaspoon of salt in 1 cup of warm water. Gargling several times a day has been shown to reduce swelling and remove irritants, including bacteria. Add a ½ teaspoon of baking soda to help fight bacteria. Sucking on candies produces saliva, which keeps the throat moist. Anti-inflammatory lozenges and sprays should be used sparingly, for while they may dull throat pain temporarily, excessive use can make your sore throat worse. Do not give hard candies to children, as they may choke on them. Try popsicles or cold drinks instead. Honey will coat and soothe your throat, and it also contains anti-bacterial agents. Also consider adding it to warm drinks to improve their flavor and efficacy. Warning: Do not give honey to children under 1 year of age, as it can contain spores that result in infant botulism, a life-threatening disease. Lemon tea or tea with honey can help to soothe your throat. In addition, you might want to try one of these warm drinks:  Chamomile Tea – Chamomile contains anti-bacterial agents and natural pain-killers that will soothe your throat.  Apple Cider Vinegar – The vinegar helps to kill germs and soothes the throat. Mix 1 tablespoon with 1 tablespoon of honey and a cup of warm water. It has a strong flavor, so gargle and spit if you don’t wish to swallow it.  Steeped Marshmallow Root, Licorice Root, or Elm Bark – These substances are all demulcents, agents that relieve inflammation of mucus membranes like the tonsils by help to coating them with a protective film. You can buy teas with these ingredients or make your own. Pour 1 cup of boiling water over 1 tablespoon of dried root or bark and let it steep for 30 to 60 minutes. Strain and drink.  Ginger – Ginger contains anti-inflammatory and anti-bacterial agents. Start with a 2-inch piece of ginger root. Peel it, cut it into small...

TL;DR in Vietnamese:
Uống nhiều chất lỏng. Súc miệng nước muối mỗi tiếng một lần. Mút kẹo cứng. Ăn một thìa mật ong. Uống các chất lỏng ấm. Nấu súp gà. Ăn một viên kem. Ngậm tỏi. Nhai đinh hương.