hours.Strain and take a spoonful of the liquid 2–3 times a day.Onion TeaChop one onion and simmer in 2 cups of water for 15–20 minutes.Strain and add lemon and honey to taste.Sip warm, especially before bedtime.Roasted Onion Wrap (External Use)Roast an onion, mash it into a paste, and wrap it in a warm cloth.Place on the chest for 15–20 minutes (ensure it’s not too hot).A traditional method believed to help loosen chest congestion.