What is guaifenesin?
Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.
Guaifenesin is used to reduce chest congestion caused by the common cold, infections, or allergies.
Guaifenesin may also be used for purposes not listed in this medication guide.
What is the most important information I should know about guaifenesin?
You should not use this medicine if you are allergic to guaifenesin.
Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.
Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.
Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication.
This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
What should I discuss with my healthcare provider before taking guaifenesin?
You should not use this medicine if you are allergic to guaifenesin.
FDA pregnancy category C. It is not known whether guaifenesin will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.
It is not known whether guaifenesin passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.