we call it "Ubat Reuboh" here, I used to sell it as well, but this simple remedies are always available in our kitchen every day.
How is life going back there?, wish you all the best.
Take a nutmeg powder and make the tea, and then drink it with honey, or boil the nutmeg with a glass of water and wait until the water remain a half, drink it with honey. I tried once, and it worked really well kak @cicisaja