Hydroxyzine Side Effects
Brand Names: Atarax, Vistaril, Atarax
Please note - some side effects for Hydroxyzine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).
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For the consumer For the professional By body system
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Side Effects of Hydroxyzine - for the consumer
Hydroxyzine
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Hydroxyzine:
Seek medical attention right away if any of these SEVERE side effects occur when using Hydroxyzine:Drowsiness; dry mouth.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); involuntary movements.
Hydroxyzine Capsules
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Hydroxyzine Capsules:
Seek medical attention right away if any of these SEVERE side effects occur when using Hydroxyzine Capsules:Drowsiness; dry mouth.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); involuntary movements.
Hydroxyzine Suspension
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Hydroxyzine Suspension:
Seek medical attention right away if any of these SEVERE side effects occur when using Hydroxyzine Suspension:Drowsiness; dry mouth.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); involuntary movements.
Hydroxyzine Syrup
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Hydroxyzine Syrup:
Seek medical attention right away if any of these SEVERE side effects occur when using Hydroxyzine Syrup:Drowsiness; dry mouth.
TopSevere allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); involuntary movements.
For the professional
Hydroxyzine
Side effects reported with the administration of Hydroxyzine pamoate are usually mild and transitory in nature.
Anticholinergic
Dry mouth.
Central Nervous System
Drowsiness is usually transitory and may disappear in a few days of continued therapy or upon reduction of the dose. Involuntary motor activity including rare instances of tremor and convulsions have been reported, usually with doses considerably higher than those recommended. Clinically significant respiratory depression has not been reported at recommended doses.
TopHydroxyzine Capsules
Side effects reported with the administration of Hydroxyzine pamoate are usually mild and transitory in nature.
Anticholinergic: Dryness of the mouth may occur.
Central Nervous System: Drowsiness is usually transitory and may disappear in a few days of continued therapy or upon reduction of the dose. Involuntary motor activity, including rare instances of tremor and convulsions, have been reported, usually with doses considerably higher than those recommended. Clinically significant respiratory depression has not been reported at recommended doses.
TopHydroxyzine Injection
Therapeutic doses of Hydroxyzine seldom produce impairment of mental alertness. However, drowsiness may occur; if so, it is usually transitory and may disappear in a few days of continued therapy or upon reduction of the dose. Dryness of the mouth may be encountered at higher doses. Extensive clinical use has substantiated the absence of toxic effects on the liver or bone marrow when administered in the recommended doses for over four years of uninterrupted therapy. The absence of adverse effects has been further demonstrated in experimental studies in which excessively high doses were administered.
Involuntary motor activity, including rare instances of tremor and convulsions, has been reported, usually with doses considerably higher than those recommended. Continuous therapy with over one gram per day has been employed in some patients without these effects having been encountered.
TopHydroxyzine Oral Solution
Side effects reported with the administration of Hydroxyzine HCl Oral Solution are usually mild and transitory in nature.
Anticholinergic:
Dry mouth.
Central Nervous System:
Drowsiness is usually transitory and may disappear in a few days of continued therapy or upon reduction of the dose. Involuntary motor activity including rare instances of tremor and convulsions have been reported, usually with doses considerably higher than those recommended. Clinically significant respiratory depression has not been reported at recommended doses.
TopBy body system
Nervous system side effects
Nervous system side effects have included moderate to slight drowsiness. This effect is usually transitory and may disappear with continued therapy or upon discontinuation of the agent. Headache, fatigue, depression, insomnia, sedation, and nervousness have also been reported with hydroxyzine. With higher than recommended doses of hydroxyzine, involuntary motor activity such as tremor and convulsions have been reported in rare instances.
Gastrointestinal side effects
Gastrointestinal side effects have included dry mouth (most common side effect), nausea, diarrhea, abdominal pain, and increases in weight and appetite.
Respiratory side effects
Respiratory side effects have included the thickening of bronchial secretions. Rare occurrences of pharyngitis, bronchospasm, and epistaxis have also been reported.
Cardiovascular side effects
Cardiovascular side effects have included palpitations, hypotension, and edema.
Dermatologic side effects
Dermatologic side effects have included angioedema, photosensitivity, and rash.
Genitourinary side effects
Genitourinary side effects have included rare cases of urinary retention and prolonged penile erections.
Ocular side effects
Ocular side effects have included blurred vision.
TopMore resources:
Hydroxyzine - Includes detailed dosage instructions.
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