guaifenesin, Humibid, Humibid LA, Robitussin, Organidin NR, Fenesin, Mucosa, Mucus Relief, Mucinex (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

It is not known if guaifenesin is secreted into breast milk.

STORAGE: Tablets, capsules, and syrup should be stored below 30 C (86 F). The liquid should not be refrigerated.

DOSING: Guaifenesin may be taken with or without food. The tablets should be taken whole and should not be crushed, chewed, or broken. The recommended dose is 600-1200 every 12h hours up to a maximum of 2.4 g per day. Patients should consult a health care professional if symptoms last more than 7 days.

DRUG CLASS AND MECHANISM: Guaifenesin is an expectorant, that is, a medication that promotes elimination of mucus from the lungs. The expectorant effects of guaifenesin promote elimination of mucous by thinning the mucous and lubricating the irritated respiratory tract. Guaifenesin is an ingredient in many over-the-counter cough and cold products. Guaifenesin was first approved by the FDA in 1952.

Medically reviewed by Eni Williams, PharmD

Reference: FDA Prescribing Information


Medically Reviewed by a Doctor on 1/15/2016


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