Mucinex is now the first 600 mg guaifenesin tab available OTC

Mucinex is now the first 600 mg guaifenesin tab available OTC.

It's an alternative to Humibid LA, Fenesin, etc.

Mucinex costs about $20 for 40 tabs...about the same as the brand-name Rx products...but much more than the generics.

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