September 5, 2015
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Entex La

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Entex La

How Supplied


Phenylephrine HCl w/guaifenesin long acting tablets are indicated for the symptomatic relief of sinusitis, bronchitis, pharyngitis, and coryza when these conditions are associated with nasal congestion and viscous mucus in the lower respiratory tract.


Adults and children 12 years of age and older: one tablet twice daily (every 12 hours).

Children 6 to under 12 years: one-half (1/2) tablet twice daily (every 12 hours). Phenylpropanolamine HCl w/guaifenesin long acting tablets are not recommended for children under 6 years of age.

Tablets may be broken in half for ease of administration without affecting release of medication but should not be crushed or chewed prior to swallowing.


Tablet, sustained release capsule(entex LA (guaifenesin and phenylephrine) ): Guaifenesin 600 mg and phenylephine HCL 30 mg

Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.

How Supplied

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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