Quaiatussin is a medication commonly used as a cough suppressant and expectorant, helping to alleviate symptoms associated with coughs and colds. It typically contains active ingredients like dextromethorphan and guaifenesin, which work together to reduce coughing and loosen mucus in the airways. Quaiatussin is available in various formulations, including syrups and tablets, and should be used according to the dosage instructions provided. As with any medication, it's important to consult a healthcare professional before use, especially for individuals with underlying health conditions or those taking other medications.