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| U.S. Brand Names |
| Atrohist® Plus; Phenahist-TR®; Phenchlor® S.H.A.; Ru-Tuss®; Stahist® |
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| Generic Available |
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Yes |
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| Synonyms |
| Phenylephrine, Chlorpheniramine, Phenylpropanolamine, and Belladonna Alkaloids; Phenylpropanolamine, Chlorpheniramine, Phenylephrine, and Belladonna Alkaloids |
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| Pharmacological Index |
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Cold Preparation |
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| Use |
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Relief of symptoms resulting from irritation of sinus, nasal, and upper respiratory tract tissues, including nasal congestion, watering eyes, and postnasal drip; this product contains anticholinergic agents and should be reserved for patients who do not respond to other antihistamine/decongestants |
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| Pregnancy Risk Factor |
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C |
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| Usual Dosage |
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Children greater than or equal to 12 years and Adults: Oral: 1 tablet morning and evening, swallowed whole |
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| Dental Health: Local Anesthetic/Vasoconstrictor Precautions |
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Use with caution since phenylpropanolamine & phenylephrine are sympathomimetic amines which could interact with epinephrine to cause a pressor response |
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| Dental Health: Effects on Dental Treatment |
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Chlorpheniramine: Prolonged use will cause significant xerostomia Phenylephrine, Phenylpropanolamine: Up to 10% of patients could experience tachycardia, palpitations, and dry mouth; use vasoconstrictor with caution |
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| Dosage Forms |
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Tablet, sustained release: Chlorpheniramine 8 mg, phenylephrine 25 mg, phenylpropanolamine 50 mg, hyoscyamine 0.19 mg, atropine 0.04 mg, and scopolamine 0.01 mg |
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