Partial
Partially Aligned
Patient Risk:
Moderate
Summary
Some claims match label-supported indications (anxiety/tension and pruritus) and dose-related adverse reactions (dry mouth, drowsiness). Several claims are either not explicitly supported by the provided label excerpts (e.g., mechanism as histamine blockade; blurred vision; constipation; difficulty urinating; generic/manufacturer/brand statements) or are only indirectly supported/not stated (CNS-relationship rationale for anxiolysis/sedation; surgery premedication described only as general premedication/following anesthesia without the 'before surgery' phrasing).
Category Scores
Accurate Statements
Hydroxyzine 50 mg tablets are used to manage anxiety and tension.
INDICATIONS (1): “For symptomatic relief of anxiety and tension associated with psychoneurosis...”
Hydroxyzine 50 mg tablets are prescribed to treat itching associated with allergic conditions like hives and eczema.
INDICATIONS (1): “Useful in the management of pruritus due to allergic conditions such as chronic urticaria and atopic and contact dermatoses...”
Hydroxyzine has sedative properties.
DOSAGE (2): “As a sedative when used as a premedication and following general anesthesia...” and PRECAUTIONS (5) warns of drowsiness.
Common side effects of hydroxyzine 50 mg can include drowsiness.
ADVERSE REACTIONS (6): “Central Nervous System: Drowsiness is usually transitory...”
Common side effects of hydroxyzine 50 mg can include dry mouth.
ADVERSE REACTIONS (6): “Anticholinergic: Dry mouth.”
Hydroxyzine may be prescribed before surgery to induce sedation and reduce anxiety.
DOSAGE (2): “As a sedative when used as a premedication and following general anesthesia...” (supports sedative premedication; label excerpt does not use the word 'surgery' but does cover premedication/following general anesthesia).
The sedative and anti-anxiety properties of hydroxyzine are thought to be related to its effects on the central nervous system.
INDICATIONS (1) supports anxiety/tension use; CLINICAL PHARMACOLOGY (12): “action may be due to a suppression of activity in certain key regions of the subcortical area of the central nervous system.” (label does not explicitly connect this mechanism to anxiolysis specifically, but it does support a CNS mechanism for Atarax’s action).
Unsupported Statements
Hydroxyzine 50 mg tablets are prescribed to treat itching associated with allergic conditions like hives and eczema.
Partially supported (chronic urticaria and dermatoses/pruritus). The specific mapping “hives and eczema” to “chronic urticaria and atopic and contact dermatoses” is not explicitly stated in the provided excerpts as 'hives'/'eczema' synonyms.
Hydroxyzine works by blocking the effects of histamine.
Provided label excerpts do not state a histamine-blocking mechanism; only “histamine-mediated pruritus” appears in INDICATIONS (1).
Hydroxyzine has anti-anxiety properties.
Label excerpt supports treatment of anxiety and tension symptomatically, but the phrase 'anti-anxiety properties' is not explicitly used in the provided text.
Common side effects of hydroxyzine 50 mg can include blurred vision.
Blurred vision is not listed in the provided ADVERSE REACTIONS excerpt.
Less common side effects of hydroxyzine 50 mg may include dizziness.
Dizziness is not listed in the provided ADVERSE REACTIONS excerpt.
Less common side effects of hydroxyzine 50 mg may include constipation.
Constipation is not listed in the provided ADVERSE REACTIONS excerpt.
Less common side effects of hydroxyzine 50 mg may include difficulty urinating.
Difficulty urinating is not listed in the provided ADVERSE REACTIONS excerpt.
Multiple pharmaceutical companies manufacture generic versions of hydroxyzine 50 mg tablets.
The provided FDA label excerpts do not address manufacturers or generic availability.
Brands for hydroxyzine 50 mg may include Vistaril and Atarax.
Atarax is referenced in the provided excerpts, but the provided label excerpt does not state 'Vistaril' as a brand name.
Hydroxyzine is an older drug and is available as a generic medication.
The provided label excerpts do not address age/market history or generic availability.
Contradictions
Low
AI Statement
Hydroxyzine 50 mg tablets are used to manage anxiety and tension.
Label Reference
INDICATIONS (1): supported as anxiety/tension relief associated with psychoneurosis.
Important Omissions
Anxiety indication is described as “associated with psychoneurosis” and as an “adjunct in organic disease states in which anxiety is manifested.”
Importance:
Moderate
Pruritus indication includes “histamine-mediated pruritus” in addition to allergic conditions.
Importance:
Moderate
Label dosing ranges differ by indication (anxiety/tension vs pruritus vs premedication/following general anesthesia). The AI claims do not include any dosing specifics.
Importance:
Moderate
Safety Assessment
Potential Patient Risk:
Moderate
Most safety-related statements were limited to drowsiness/dry mouth which are label-supported. However, multiple additional side effects were asserted (blurred vision, dizziness, constipation, difficulty urinating) without support in the provided label excerpts, which could misinform risk perception. Mechanism claim (histamine blockade) and brand/generic/manufacturer statements are also not supported by the provided label text.
Regulatory Assessment
| On Label |
No |
| Off-label Discussion |
No |
| Promotes Unapproved Use |
No |
| Hallucination Risk |
Medium |
Recommendation
Partially Aligned
Primary Issue
Several safety/side-effect and mechanism statements are not supported by the provided FDA label excerpts, and brand/generic/manufacturer claims are not addressed in those excerpts.
Suggested Improvement
Limit claims to label-supported statements from the provided excerpts (anxiety/tension indication, pruritus indications, drowsiness and dry mouth as listed adverse effects, and sedative use as premedication/following general anesthesia). Remove or qualify unsupported side-effect and mechanism/brand/generic assertions unless supported by additional label text.