Tuspel Syrup 100 ml bottleWhat is Tuspel® and what is used for?Tuspel® is a combination of Guaifenesin, Dextromethorphan Hydrobromide and Menthol.Guaifenesin is an expectorant. It helps loosen congestion in the chest and throat, making it easier to cough out through the mouth.Dextromethorp..