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TUZISTRA XR
Cough and cold
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Drug Name:

TUZISTRA XR CIII

Generic Name and Formulations:
Codeine polistirex 14.7 mg (equivalent to codeine phosphate 20mg), chlorpheniramine polistirex 2.8 mg (equivalent to chlorpheniramine maleate 4mg); per 5mL; ext-rel susp; cherry flavor.

Company:
Vernalis Therapeutics, Inc.

Therapeutic Use:

Indications for TUZISTRA XR:

Cough and symptoms associated with upper-respiratory allergies or common cold.

Adult:

Use lowest effective dose for shortest duration. Use accurate measuring device. ≥18yrs: 10mL every 12hrs; max 20mL/24hrs.

Children:

<18yrs: not established.

Contraindications:

Post-op pain management in children who have undergone tonsillectomy and/or adenoidectomy.

Warnings/Precautions:

Risk of respiratory depression and death related to ultra-rapid metabolizers of codeine (esp. children in post-op tonsillectomy and/or adenoidectomy). Obstructive sleep apnea. Discontinue if respiratory depression occurs. Post-op. Compromised respiratory function (eg, pulmonary disease). Abuse potential (monitor). Avoid in head injury, other intracranial lesions or pre-existing increase in intracranial pressure. Underlying intestinal motility disorders. Acute abdomen. Asthma. Persistent or chronic cough. Hypothyroidism. Addison’s disease. Prostatic hypertrophy. Urethral stricture. Severe hepatic or renal impairment. Elderly. Debilitated. Labor & delivery. Pregnancy (Cat.C). Nursing mothers.

Interactions:

Increased risk of respiratory depression, sedation with benzodiazepines or other CNS depressants (eg, opioids, antihistamines, antipsychotics, anxiolytics, alcohol); avoid. During or within 14 days of MAOIs, concomitant TCAs: not recommended. Paralytic ileus may occur with anticholinergics. May potentiate phenytoin; monitor. May be affected by CYP2D6 and CYP3A4 inhibitors or inducers.

Pharmacological Class:

Antitussive + antihistamine.

Adverse Reactions:

Nausea, vomiting, constipation, abdominal distension/pain, blurred vision, diplopia, visual disturbances, confusion, dizziness, depression, drowsiness, sedation, headache, euphoria, facial dyskinesia, feeling faint, light-headedness, general feeling of discomfort or illness, excitability, nervousness, agitation, restlessness, somnolence, insomina, dyskinesia, irritability, tremor; respiratory depression.

Generic Availability:

NO

How Supplied:

Susp—473mL

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