|
| U.S. Brand
Names |
|
| Codehist® DH; Decohistine® DH;
Dihistine® DH; Ryna-C®
Liquid |

|
|
| Generic
Available |
|
|
Yes |

|
|
| Pharmacological Index |
|
|
Antihistamine/Decongestant/Antitussive |

|
|
| Use |
|
|
Temporary relief of cough associated with minor throat or bronchial
irritation or nasal congestion due to common cold, allergic rhinitis, or
sinusitis |

|
|
| Restrictions |
|
|
C-V |

|
|
| Pregnancy Risk
Factor |
|
|
C |

|
|
| Adverse
Reactions |
|
|
1% to 10%:
Central nervous system: Sedation, dizziness, drowsiness, increased
intracranial pressure
Gastrointestinal: Constipation, biliary tract spasm
Genitourinary: Urinary tract spasm
Miscellaneous: Physical or psychological dependence with continued use
|

|
|
| Usual Dosage |
|
|
Oral:
25-50 lb: 1.25-2.50 mL every 4-6 hours, up to 4 doses in 24-hour period
50-90 lb: 2.5-5 mL every 4-6 hours, up to 4 doses in 24-hour period
Adults: 10 mL every 4-6 hours, up to 4 doses in 24-hour period
|

|
|
| Dental Health: Local
Anesthetic/Vasoconstrictor
Precautions |
|
|
Use with caution since pseudoephedrine is a sympathomimetic amine which could
interact with epinephrine to cause a pressor response |

|
|
| Dental Health:
Effects on Dental Treatment |
|
|
Chlorpheniramine: Prolonged use will cause significant xerostomia
Codeine: <1%: Dry mouth
Pseudoephedrine: Up to 10% of patients could experience tachycardia,
palpitations, and dry mouth; use vasoconstrictor with caution
|

|
|
| Dosage Forms |
|
|
Liquid: Chlorpheniramine maleate 2 mg, pseudoephedrine hydrochloride 30 mg,
and codeine phosphate 10 mg (120 mL, 480
mL) |

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