guaifenesin/phenylephrine/phenylpropanolamine (Entex)

Indications: - symptomatic relief of respiratory conditions with tenacious mucus plugs & congestion a) sinusitis b) pharyngitis c) bronchitis d) asthma Contraindications: 1) severe hypertension 2) concurrent administration MAO inhibitor Dosage: - adults & children > 12 years of age: - 1 tab or 10 mL PO every 6 hours Tabs: - guaifenesin 200 mg phenylpropanolamine HCl 45 mg phenylephrine 5 mg Adverse effects: - not common (1-10%) - sympathomimetic effects (see phenylpropanolamine, phenylephrine) Drug interactions: (see phenylpropanolamine, phenylephrine)

References

Kaiser Permanente Northern California Regional Drug Formulary, 1998

Components

guaifenesin (Robitussin, Fenesin, Humibid LA, Mucinex) phenylephrine (Neo-Synephrine, Mydrifin, sudafed PE, PE) phenylpropanolamine (PPA)