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Vituz

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Vituz

Side Effects
Interactions

SIDE EFFECTS

Use of hydrocodone bitartrate, a semisynthetic opioid, may result in the following:

Use of chlorpheniramine, an antihistamine, may result in:

  • Decreased mental alertness with impaired mental and/or physical abilities [see WARNINGS AND PRECAUTIONS]

The following adverse reactions have been identified either during clinical trials of hydrocodone bitartrate and/or chlorpheniramine maleate or during their use post-approval. Because these reactions may be reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

The most common adverse reactions of Vituz Oral Solution include: Sedation, somnolence, mental clouding, lethargy, impairment of mental and physical performance, anxiety, fear, dysphoria, dizziness, nausea, psychic dependence, mood changes; blurred, double, or other visual disturbances; confusion, headache, euphoria, facial dyskinesia, feeling faint, lightheadedness, agitation, irritability, tremor.

Other adverse reactions include

Respiratory: Dryness of the pharynx and respiratory passages, occasional tightness of the chest, laryngismus, wheezing, or troubled breathing.

Gastrointestinal System: Nausea and vomiting (more frequent in ambulatory than in recumbent patients), constipation, abdominal distension, abdominal pain, acute pancreatitis, dry mouth, dyspepsia, epigastric distress, and/or loss of appetite.

Genitourinary System: Ureteral spasm, spasm of vesicle sphincters, urinary retention, dysuria, urinary frequency, urinary hesitancy.

Dermatological System: Skin rash, pruritus, erythema, urticaria, excessive perspiration.

Read the Vituz (hydrocodone bitartrate and chlorpheniramine maleate) oral solution) Side Effects Center for a complete guide to possible side effects

DRUG INTERACTIONS

No specific interaction studies have been conducted with Vituz Oral Solution.

Opioids, Antihistamines, Antipsychotics, Anti-anxiety Agents, or Other CNS Depressants (Including Alcohol)

The use of opioids, antihistamines, antipsychotics, anti-anxiety agents, or other CNS depressants concomitantly with Vituz Oral Solution may cause an additive CNS depressant effect and should be avoided.

MAOIs and Tricyclic Antidepressants

Do not prescribe Vituz Oral Solution if the patient is taking a prescription MAOI (i.e., certain drugs used for depression, psychiatric or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping a MAOI drug. The use of MAOIs or tricyclic antidepressants with hydrocodone preparations may increase the effect of either the antidepressant or hydrocodone [see WARNINGS AND PRECAUTIONS].

Anticholinergic Drugs

Hydrocodone and chlorpheniramine should be administered cautiously to persons receiving other anticholinergic drugs in order to avoid paralytic ileus and excessive anticholinergic effects.

Additive adverse effects resulting from cholinergic blockade (e.g., xerostomia, blurred vision, or constipation) may occur when anticholinergic drugs are administered with chlorpheniramine [see WARNINGS AND PRECAUTIONS].

Drug Abuse And Dependence

Controlled Substance

Vituz Oral Solution is a Schedule III controlled prescription containing hydrocodone bitartrate and should be prescribed and administered with caution.

Abuse

Hydrocodone can produce drug dependence of the morphine type and therefore, has the potential for being abused. Psychic dependence, physical dependence, and tolerance may develop upon repeated administration of Vituz Oral Solution, and it should be prescribed and administered with the same degree of caution appropriate to the use of other opioid drugs.

Dependence

Psychic dependence, physical dependence, and tolerance may develop upon repeated administration of opioids; therefore, Vituz Oral Solution should be prescribed and administered with caution.

Physical dependence, the condition in which continued administration of the drug is required to prevent the appearance of a withdrawal syndrome, assumes clinically significant proportions only after several weeks of continued oral opioid use, although some mild degree of physical dependence may develop after a few days of opioid therapy.

Last reviewed on RxList: 3/1/2013
This monograph has been modified to include the generic and brand name in many instances.

Side Effects
Interactions
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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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