What is gualatussin cough liquid?

Gualatussin cough liquid is an over-the-counter medication commonly used to relieve coughs associated with colds or respiratory infections. It typically contains guaifenesin, an expectorant that helps loosen mucus in the airways, making it easier to cough up phlegm. Some formulations may also include a cough suppressant like dextromethorphan to help reduce the urge to cough. Always follow the dosage instructions and consult a healthcare professional if symptoms persist.