Guaifenesin is the active ingredient in oral cough medications such as Mucinex or Robitussin for Direct Chest Congestion.

Earlier this week, drugmaker RB recalled certain lots of over-the-counter Mucinex Fast-Max liquid products, including Night-Time Cold & Flu, Cold & Sinus, Severe Congestion & Cough, Cold ...

Mucinex has many products that relieve tough cold & flu symptoms. Chest congestion is caused by excess mucus. Mucinex 12-Hour contains Guaifenesin that treats the cause of that congestion by ...

Fever Rash Persistent headache Mucinex is an OTC medication commonly used to treat cough and chest congestion. It works by ...