Indications and Usage for Mucinex DM Maximum Strength temporarily relieves: cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants. the intensity of coughing. the impulse to cough to help you get to sleep.

Mucinex is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth. Mucinex is used to reduce chest congestion caused by the common cold, infections, or allergies.

Taking Mucinex® DM thins and loosens mucus and may help clear out yellow or green mucus. If you're experiencing other symptoms, such as fevers and body aches, try Maximum Strength* Mucinex® Fast-Max® Day Time Severe Cold & Night Time Cold & Flu for relief.

You can use Mucinex throughout the day, but you typically use NyQuil at night to help you sleep and let your body recover. The ingredient doxylamine in NyQuil also causes drowsiness to help you get rest. Mucinex and NyQuil Cold & Flu are only for people 12 years and older.

Dizziness, drowsiness, nausea, and vomiting may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects.

Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: mental/mood changes (such as confusion, hallucinations), shaking (tremors), weakness, problems urinating, fast/slow/irregular heartbeat.

Guaifenesin is safe and well-tolerated. It's quite possible that you can take it or Mucinex and have no side effects. In fact, most people do not. Still, they can cause side effects in some people.

You shouldn't take Mucinex® for more than 7 days, unless directed by a doctor.

Take this medication by mouth with or without food, as directed by your doctor, usually every 12 hours with a full glass of water.

Does Mucinex DM keep you awake? Mucinex DM can cause sleepiness and insomnia. Some people experience sleeplessness if they take it in the late afternoon. Try to take it 30 minutes before bedtime if you are having trouble sleeping due to excessive coughing.

Generally, if you use guaifenesin or Mucinex as directed, you should not have serious side effects. However, overuse or misuse can cause problems. Taking a dosage that's too high may increase your risk of: dizziness.

Mucinex DM contains dextromethorphan and Guaifenesin. Both of these do not affect blood pressure. Sometimes it may affect heart rate in older patients. Always consult a doctor if you have a heart condition.