Guaifenesin / Codeine: study card

Guaifenesin / Codeine — Cough suppressant + expectorant combination. Study the mechanism, listed uses and warnings from the US label on one sourced card.

Generic name
Guaifenesin / Codeine
Class
Cough suppressant + expectorant combination
Mechanism
Expectorant action loosens phlegm and thins bronchial secretions to make cough more productive; product also relieves cough.
Used for
Cough from minor throat/bronchial irritation; Loosen phlegm and thin bronchial secretions
Warnings
The cited codeine-containing liquid requires medical review for chronic lung disease or shortness of breath; Sedatives, tranquilizers and some antidepressants can increase drowsiness; A cough that continues beyond 7 days, recurs, or occurs with fever, rash or persistent headache requires medical review; Constipation can occur or become worse; accidental overdose requires urgent help
Interactions
Sedatives, tranquilizers and antidepressants, especially MAOIs: increased sedation
Read the source label ↗

Label date: 20260602 · For learning, not clinical decisions. US label and brand information; always consult the current source.

Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.

Pronunciation

Guaifenesin: gwye-FEN-e-sin · Codeine: KOE-deen

Pronunciation is shown for the US English generic name.

Body system

Respiratory · 19 Drug cards