No : Entex was a combination of Guaifenesin (to thin mucus) and phenylpropanolamine (a decongestant) Entex Pse had Pseudoephedrine as a decongestant. The fda took both of these off the market. Humibid la was extended release Guaifenesin alone. I believe the makers Mucinex (guaifenesin) forced all extended release preparations off the us market also.
Answered 4/23/2016
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