Entex LA reduces swelling of nasal passages, helps decongest sinus openings and promote nasal and /or sinus drainage. Helps drain bronchial tubes by thinning mucus and relieves irritated membranes in the respiratory passages by preventing dryness through increased mucus flow.
Guaifenesin belongs to a class of drugs known as expectorants. It works by thinning and loosening mucus in the airways, clearing congestion, and making breathing easier.
Pseudoephedrne belongs to a class of drugs known as decongestant. It works by shrinking swollen mucous membranes, reducing tissue hyperemia, edema and nasal congestion thus increases nasal airway patency.
Possible adverse reactions include nervousness, insomnia, restlessness, dizziness, headache, nausea, or gastric irriatation. These reactions rarely, if ever, require discontinuation of therapy. Chest tightness has been reported on occasion. Urinary retention may occur in patients with prostatic hypertrophy.