Honey: Honey is a natural cough suppressant and can help soothe a sore throat. You can mix a teaspoon of honey into a cup of warm tea or water and drink it several times a day.
Steam: Inhaling steam can help loosen mucus and relieve congestion. You can take a hot shower or bath, or fill a bowl with hot water and inhale the steam for several minutes.
Saltwater gargle: Gargling with saltwater can help soothe a sore throat and reduce coughing. Mix a teaspoon of salt into a cup of warm water and gargle for 30 seconds before spitting it out.