When you have a sore throat, it can be painful to swallow, and having a cough -- one of the most common symptoms of a cold -- can make this sensation even more painful. To soothe a sore throat, dissolve about one teaspoon of salt to a glass of lukewarm water and gargle. Doing this can temporarily relieve pain and encourage healing. Lozenges may also be helpful, though most experts recommend again giving them to children.

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