Guaifenesin, Pseudoephedrine, and Codeine
What is it? Overview Usage Side Effects and Warnings

What is Guaifenesin, Pseudoephedrine, and Codeine?

(gwye FEN e sin, soo doe e FED rin, & KOE deen)

• This medicine is used to make a cough productive.

• This medicine is used to stop coughing.

• This medicine is used to treat nasal congestion.

What are the precautions when taking this medicine?

• This medicine may be habit-forming with long-term use.

• If you are 65 or older, use this medicine with caution. You could have more side effects.

• If you have high blood pressure, talk with healthcare provider.

• If you have lung disease, talk with healthcare provider.

• This medicine is not for coughs due to smoking or lung disease.

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• You may not be alert. Avoid driving, doing other tasks or activities until you see how this medicine affects you.

• Avoid alcohol (includes wine, beer, and liquor) or other medicines and natural products that slow your actions and reactions.

• Limit caffeine (for example, tea, coffee, cola) and...