guaiacolsulfonate/guaifenesin (Humibid LA)

Introduction

Extended release formulation

Indications

• temporary relief of cough due to colds & upper respiratory tract infections

Mechanism of action

• new formulation; no proof it is effective

More general terms

• pharmacologic combination

Components

• guaiacolsulfonate
• guaifenesin (Robitussin, Fenesin, Humibid LA, Mucinex)