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Musinex is a common misspelling of Mucinex (guaifenesin).

What is Mucinex (Musinex)?

Mucinex (Musinex) is an expectorant. It works by thinning mucus (phlegm) and loosening congestion in the lungs and making it less sticky and easier to cough up. This reduces chest congestion by making coughs more productive.

Mucinex (Musinex) is used to relieve the symptoms of cough and mucus in the chest due to colds, flu, or hay fever. It may also be used for other conditions as determined by your doctor.

Check with your doctor if any of these common Mucinex (Musinex) side effects persist or become bothersome: Nausea; vomiting.

Seek medical attention right away if any of these severe Mucinex (Musinex)side effects occur: Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.