Relieving unproductive cough and reducing mucus in the chest due to colds, flu, or hay fever. It may also be used for other conditions as determined by your doctor.

Allfen CX sustained-release tablets are a cough suppressant and expectorant combination. The cough suppressant works in the brain to help decrease the cough reflex. The expectorant works by thinning mucus (phlegm) in the lungs, making it less sticky and easier to cough up. This makes coughs more productive.

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  • Allfen CX and Xpect-AT
  • Drowsiness; dry mouth, nose, or throat; upset stomach.

    Seek medical attention right away if any of these SEVERE side effects occur while taking carbetapentane / guaifenesin:
    Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).
  • (oral capsule, oral syrup, oral tablet, extended release, oral liquid, oral suspension, extended release)