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home > drugs a-z list > entex la (guaifenesin and phenylephrine) drug center > entex la (guaifenesin and phenylephrine) drug - overdosage and contraindications
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Entex La
Sinus infection facts
- Sinus infections are caused by infections from a pathogenic microorganism (virus, bacterium, or fungus), which grows within a sinus and causes intermittent blockage of the sinus ostium.
- Most people do not transmit sinus infections; most clinicians agree that except for rare instances, sinus infections are not contagious but arise from mainly viruses and bacteria that, by chance, contaminate a person who sinuses support their proliferation because of minor, and rarely, major abnormalities in the person's sinus tissue (for example, swelling, inflammation, abnormal mucus production, and rarely, facial or nasal trauma).
- Sinusitis is inflammation of the air cavities within the passages of the nose. Sinusitis can be caused by infection, but also can be caused by allergies and chemical or particulate irritation of the sinuses.
- Sinusitis may be classified in several ways such as acute sinus infec...
Entex La
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OVERDOSE
The treatment of overdosage should provide symptomatic and supportive care. If the amount ingested is considered dangerous or excessive, induce vomiting with ipecac syrup unless the patient is convulsing, comatose, or has lost the gag reflex, in which case perform gastric lavage using a large-bore tube. If indicated, follow with activated charcoal and a saline cathartic. Since the effects of phenylephrine HCl w/guaifenesin long acting tablet may last up to 12 hours, treatment should be continued for at least that length of time.
CONTRAINDICATIONS
Phenylephrine HCl w/guaifenesin long acting tablets are contraindicated in individuals with known hypersensitivity to sympathomimetics, severe hypertension, ventricular tachycardia, or in patients receiving monoamine oxidase inhibitors.
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
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