Codeine is a narcotic cough suppressant. It affects the signals in the brain that trigger cough reflex.

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.

Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).

Codeine, guaifenesin, and pseudoephedrine is a combination medicine used to treat stuffy nose, cough, sinus congestion, and chest congestion caused by allergies, the common cold, or the flu.

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  • Ambifed CD, Ambifed-G CD, Biotussin DAC, Cheratussin DAC, Guaifen DAC, Lortuss EX, Maxifed CD, Maxifed-G CD, Mytussin DAC, Nucofed Pediatric Expectorant, Suttar SF, Suttar-2, Tricode GF, Tusnel C, Z-Tuss E
  • Constipation; dizziness; drowsiness; excitability; headache; nausea; nervousness or anxiety; trouble sleeping; vomiting; weakness.

    Seek medical attention right away if any of these SEVERE side effects occur while taking codeine / guaifenesin / pseudoephedrine:
    Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision or other vision changes; confusion; difficulty urinating; fainting; fast, slow, or irregular heartbeat; hallucinations; mental or mood changes; persistent trouble sleeping; seizures; severe dizziness, light-headedness, or headache; severe drowsiness; shallow breathing; tremor; uncontrolled muscle movement.
  • (oral liquid, oral tablet)