Hydroxyzine Teva

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Hydroxyzine Teva

Property Description
Active Ingredient Hydroxyzine dihydrochloride
Form Tablets, Syrup/Suspension, Solution for Injection
Pharmacological Class First-generation Antihistamine, Anxiolytic
Common Use Reducing tension, relieving itching
Origin Synthetic (Piperazine derivative)

What Type of Medicine is Hydroxyzine Teva?

Hydroxyzine Teva is a prescription-only, synthetic medication that contains the active ingredient Hydroxyzine, typically as the dihydrochloride salt. It is classified as both a First-generation Antihistamine and an Anxiolytic, belonging chemically to the piperazine family.

Its classification as a first-generation agent is clinically recognized for its ability to readily cross the blood-brain barrier. This characteristic results in a pronounced calming effect, giving Hydroxyzine its differentiating sedative property and setting it apart from newer, non-sedating antihistamines. The drug is characterized by its dual classification as an antihistamine with significant sedative and anxiolytic effects.


Composition, Forms, and General Therapeutic Benefit

The fundamental purpose of Hydroxyzine Teva is to achieve a sedative effect while providing relief from symptoms of allergic skin conditions, primarily itching. The drug's primary action is H1-receptor blockade, which suppresses the action of histamine, a key chemical mediator that drives allergic reactions and the sensation of itch. This mechanism of blocking histamine receptors is central to the drug's use in controlling pruritus.

For systemic use, the active substance is prepared as a single-ingredient compound available in various dosage forms, including film-coated tablets, oral liquids such as syrup or oral suspension, and a solution for injection. This preparation flexibility, covering oral and intramuscular routes, allows the medication to be used for different patient requirements, such as an individual requiring a general reduction in tension prior to a medical procedure.

What side effects are possible with Hydroxyzine Teva?

Possible Side Effects and Safety Information

As with all medications, Hydroxyzine Teva can cause side effects, although not everyone experiences them. Side effects are often mild and temporary, but you should always consult your healthcare provider if you have concerns.


Common Side Effects

Common side effects usually relate to the drug's action on the central nervous system and its anticholinergic properties. They may include:

  • Drowsiness/Sedation: This is very common, especially at the start of treatment. Patients should be cautious when driving or operating machinery until they know how the drug affects them.
  • Dry mouth
  • Headache
  • Dizziness
  • Constipation

Serious or Rare Side Effects

Seek immediate medical attention if you experience any signs of a serious reaction, including:

  • Heart Rhythm Changes (QT prolongation): A fast, irregular, or pounding heartbeat, severe dizziness, or fainting, as these may indicate a rare but serious heart condition (Torsades de Pointes).
  • Allergic Reactions: Signs may include rash, itching, hives, swelling of the face, lips, tongue, or throat, or trouble breathing.
  • Severe Skin Reactions: Fever, flu-like symptoms, or a rash with blistering or peeling skin, which may include Acute Generalized Exanthematous Pustulosis (AGEP).
  • Mental/Mood Changes: Confusion, hallucinations, or agitation.
  • Other Rare Effects: Seizures or tremors.

Contraindications and Precautions

Hydroxyzine Teva should not be used if you are allergic to hydroxyzine, cetirizine, levocetirizine, or any components of the tablet. The medication is generally contraindicated during the first trimester of pregnancy and is not recommended for use during breastfeeding. Caution is advised in older adults, as they may be more susceptible to side effects like confusion, drowsiness, and difficulty urinating. The drug must be used with caution in individuals with pre-existing heart conditions, a history of seizures, glaucoma, or difficulty passing urine.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Hydroxyzine Teva is strictly associated with severe effects on the Central Nervous System (CNS) and the Cardiovascular System.

Documented Overdose Manifestations

The most common sign of overdosage is hypersedation, which can progress to stupor and potentially coma. Other documented CNS manifestations include convulsions, decreased awareness, and signs of CNS stimulation like agitation or hallucinations. Anticholinergic signs, such as dry mouth and difficulty urinating, may also be present. A key risk emphasized in regulatory documents is the potential for life-threatening cardiovascular complications, specifically QT prolongation and Torsade de Pointes. Elderly patients are noted to be more susceptible to severe over-sedation and confusion.

Emergency Response Requirements

It is officially mandated to seek immediate medical attention or contact emergency services immediately if an overdose is suspected, or if severe symptoms such as seizures, severe sleepiness, or heart rhythm disturbances occur. Regulatory management requires that the patient be kept under close observation with frequent monitoring of vital signs. Due to the cardiac risk, ECG monitoring is explicitly recommended. No specific antidote is known for hydroxyzine overdose; therefore, management relies on symptomatic and supportive care. This may involve procedures like immediate gastric lavage as described in official documentation.

Therapeutic Uses of Hydroxyzine Teva

What Hydroxyzine Teva Treats: Main Uses and Benefits

Hydroxyzine Teva is prescribed for the symptomatic management of conditions associated with anxiety and various allergic reactions. It may be an appropriate option for providing relief from physical symptoms, such as the itching associated with chronic hives (chronic urticaria), atopic dermatoses, and contact dermatoses. In addition to addressing allergic conditions, this medication is used for the symptomatic relief of anxiety and tension that may be associated with psychoneurosis. Furthermore, it is utilized as a calming agent (sedative) for both adults and children when premedication is required before and after general anesthesia.


“Hydroxyzine is a first-generation antihistamine used largely for symptoms of itching, nausea, anxiety and tension.”


This medication provides the patient with symptomatic relief across these recognized therapeutic domains. The clinical use of the drug is based on its established profile for these specific indications.




Quick Fact: Relief for Pruritus Hydroxyzine Teva may be used in the management of pruritus (itching) that is due to allergic skin conditions.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Hydroxyzine Teva — Official Regulatory Information

The eligibility for Hydroxyzine Teva is strictly defined by government regulatory documents, focusing on absolute contraindications and population-specific restrictions.

Populations for whom use is contraindicated:

Contraindication Basis
Cardiac Risks Known acquired or congenital QT-interval prolongation, or significant risk factors for cardiac arrhythmia (e.g., uncompensated heart failure).
Hypersensitivity Known allergy to hydroxyzine, its metabolite cetirizine, other piperazine derivatives, or any excipients.
Reproductive Status Pregnancy (especially early) and lactation (breastfeeding).

Age and Condition-Based Restrictions:

Restriction Population/Condition
Not Recommended Elderly patients (use requires strict dose limitation).
Limited Use Children under 6 years for specific indications.
Conditional Use Patients with impaired hepatic function or impaired renal function require a formal dose reduction.
Caution Required Individuals with a history of seizures or conditions like glaucoma or bladder outflow obstruction (due to anticholinergic effects).

These official rules mandate specific exclusions based on cardiac risk and hypersensitivity and require conditional use or avoidance in the elderly and those with compromised organ function.

What should I know about interactions with other medicines?

This medication can affect and be affected by other products. It is essential to inform a healthcare provider of all prescription, over-the-counter (OTC) medicines, and supplements being used.

Central Nervous System (CNS) Depressants

Hydroxyzine acts as a CNS depressant and has a potentiating effect on other substances that slow down brain activity. Combining it with other CNS depressants—including alcohol, opioids, barbiturates, sedatives, and non-narcotic analgesics—can lead to increased effects such as severe drowsiness, sedation, or central nervous system depression. If co-administration is necessary, the dosage of the other CNS depressant should be reduced.

QT-Prolonging Medicinal Products

Hydroxyzine has the potential to prolong the QT interval, which is a measurement of the electrical activity of the heart. The co-administration of hydroxyzine with other medicinal products known to prolong the QT interval is contraindicated, or not recommended, due to a heightened risk of developing a serious irregular heart rhythm (Torsade de Pointes). Examples of these other medicines include certain antiarrhythmics, antipsychotics, antidepressants (like citalopram/escitalopram), and some antibiotics (like macrolides or fluoroquinolones).

Other Interactions

  • Epinephrine: Hydroxyzine counteracts the pressor (blood pressure raising) action of Epinephrine.
  • Cetirizine and Levocetirizine: Use is contraindicated if a known hypersensitivity to hydroxyzine, cetirizine, or levocetirizine exists, as hydroxyzine is metabolized to cetirizine.
  • Grapefruit Juice: Consumption of grapefruit or grapefruit juice may increase the concentration of hydroxyzine in the body, which could increase the risk of QT prolongation and should be avoided.

Mechanism of Action

The pharmacodynamic mechanism for Hydroxyzine Teva is characterized by multi-receptor antagonism, which results in multiple pharmacodynamic consequences that shape its physiological activity.


Central Pathway Modulation and CNS Depression

This domain covers the drug’s high lipophilicity, which permits rapid entry into the Central Nervous System (CNS) to block Histamine H1 receptors and Serotonin 5 -HT2 A receptors. Antagonism at these sites modulates neurotransmitter activity in arousal and limbic circuits, which results in generalized CNS depression and modulation of arousal signaling.


Peripheral H1 Receptor Antagonism and Mediator Pathway Interference

The molecule acts as an Inverse Agonist at peripheral H1 receptors to stabilize them in an inactive conformation. This action suppresses the biological cascade initiated by histamine release from mast cells, which directly limits nerve sensitization and capillary leakage, and interferes with histamine- dependent pruriceptive neuron activation and local inhibition of histamine' s action on vascular and sensory tissue.


Secondary Anticholinergic and Autonomic Receptor Antagonism

Hydroxyzine also interacts with Muscarinic Cholinergic receptors ( M- receptors) and alpha1 -Adrenergic receptors through antagonism. Blocking M- receptors modulates autonomic signaling to smooth muscle, which may result in modulation of smooth muscle tone throughout the body through parasympathetic pathways.

Dosage and Administration Information

Administration Routes and Scheduling

Hydroxyzine Teva is administered through two pathways: the oral route, using tablets, syrup, or suspension, and the intramuscular (IM) route, using the solution for injection. The injectable form is strictly restricted to IM administration only and is prohibited from intravenous, subcutaneous, or intra-arterial use.

For oral administration, the medication may be taken without regard to meals. When using the liquid form, a calibrated measuring device must be used to ensure the accuracy of the prescribed dose. The general usage pattern requires the total daily dosage to be divided into multiple portions, typically taken up to four times daily (q.i.d.).


Official Dosing Regimens and Adjustments

Standard adult dosing is dependent on the condition being addressed. For the relief of chronic itching (pruritus), the usual dose is 25 mg taken three or four times per day. When used for the symptomatic relief of anxiety and tension, the typical regimen involves divided doses ranging from 50 mg to 100 mg per day.

Mandatory adjustments to this regimen apply to certain patient groups. For older adults, the maximum total daily dose is typically limited to 50 mg. For patients with moderate to severe renal impairment, the total daily dose should be reduced by 50%. Treatment utilizes the lowest effective dose for the shortest possible duration, as continued use for anxiety has not been established for longer than four months.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Hydroxyzine Teva


Evidence for Symptomatic Relief of Anxiety

Research has been conducted exploring the use of Hydroxyzine Teva in the context of anxiety and tension. The evidence base includes short-term Randomized Controlled Trials (RCTs). These studies evaluated outcomes related to fluctuating or unstable symptoms, mainly in adult outpatients diagnosed with anxiety-related conditions. Researchers monitored changes using standardized clinical rating tools, such as the Hamilton Rating Scale for Anxiety (HAM-A), which is relevant in evidence describing how symptoms are measured.

Findings derived from these short-term trials and systematic reviews documented patterns related to outcomes reflecting daily functioning or activity level. Regulators note that data supporting sustained findings are not fully established for periods exceeding four months of use. Furthermore, some systematic reviews have noted that the evidence quality varies across studies, suggesting the evidence contributes to understanding short-term symptom patterns but is not conclusive for extended use.


Evidence for Pruritus (Itching) Due to Allergic Conditions

The substance was evaluated in studies involving conditions characterized by fluctuating or episodic manifestations, such as chronic urticaria (hives) and certain allergic skin conditions. The main body of evidence includes double-blind, placebo-controlled trials. The studies monitored outcomes linked to inflammatory or irritative states, specifically looking at patient-reported outcomes describing perceived discomfort, such as the overall intensity of the itching (pruritus).

Findings described in the studies report changes measured during the study period, particularly showing patterns related to outcomes linked to inflammatory or irritative states. For itching associated with urticaria, research so far describes patterns observed in the specific body of evidence, which generally contributes to the broader evidence landscape.


What Is Still Uncertain About Hydroxyzine Teva Research

The research landscape contains several gaps and limitations that systematic reviews and regulatory assessments have highlighted. The primary area of uncertainty lies in the lack of evidence from controlled trials for outcomes beyond the short-term.

Additionally, while trials exist, the evidence quality varies across studies, with some older reports noting a high risk of bias. Comparative evidence is lacking for many subgroups, and the sample sizes were modest in some of the older, foundational studies. Consequently, certainty remains low for long-term findings or for outcomes in narrowly defined patient populations.

Frequently Asked Questions (FAQ)

Common questions about Hydroxyzine Teva (FAQ)

Q: Is Hydroxyzine Teva the same as Atarax or Vistaril?

A: Hydroxyzine is the active ingredient found in Hydroxyzine Teva. Atarax (hydroxyzine hydrochloride) and Vistaril (hydroxyzine pamoate) are recognized brand names for medications containing hydroxyzine. While these products contain the same drug substance, the specific salt form may differ, but the overall pharmacological action is related.

Q: Does Hydroxyzine Teva help with general anxiety or only specific types?

A: According to official product information, Hydroxyzine is indicated for the symptomatic relief of anxiety and tension associated with psychoneurosis. It is also used as an adjunctive treatment in certain physical conditions where anxiety is also present.

Q: How quickly does Hydroxyzine Teva usually start to work?

A: Official pharmacological documents indicate that the onset of effects for oral hydroxyzine is typically noted relatively quickly. Clinical effects are generally observed within 15 to 30 minutes after taking the medication.

Q: How long does the effect of Hydroxyzine Teva typically last?

A: The elimination half-life of hydroxyzine, which is the time it takes for half the drug to be removed from the body, is approximately 20 hours. Regulatory dosing patterns often describe administration in divided portions throughout the day.

Q: Can Hydroxyzine Teva cause memory problems?

A: Because Hydroxyzine possesses anticholinergic properties, it can affect various functions of the central nervous system. Confusion is listed as a potential side effect, especially in older adults. Effects on cognitive functions like memory are therefore potential concerns associated with drugs in this pharmacological class.

Q: Are there any common over-the-counter medicines that interact with Hydroxyzine Teva?

A: Hydroxyzine can have a potentiating effect with other substances that slow down brain activity, known as Central Nervous System (CNS) depressants. This group includes substances classified as CNS depressants, such as alcohol and non-narcotic pain relievers.

Q: Can people who are generally healthy use Hydroxyzine Teva?

A: Eligibility to use the medication is assessed against official indications and contraindications. Use is defined by health conditions that are not present, such as existing heart rhythm issues (like QT prolongation) or known hypersensitivity to the drug or its derivatives. A prescription is required for use, and eligibility is assessed against official indications and contraindications.

Q: What is the difference between Hydroxyzine and a benzodiazepine?

A: According to official chemical classifications, Hydroxyzine is chemically unrelated to benzodiazepines. It belongs to the class of medications known as antihistamines and is generally not regulated as a controlled substance, unlike benzodiazepines.

Q: Does taking Hydroxyzine Teva make it harder to drive or operate machinery?

A: Official warnings state that due to the potential for significant drowsiness and sedation, activities requiring mental alertness, such as driving or operating machinery, should be considered carefully due to the potential for impairment.

Q: Is Hydroxyzine Teva considered addictive?

A: Hydroxyzine is not classified as a federally controlled substance by regulatory bodies. Official documents do not generally associate Hydroxyzine with the risks of physical dependence or misuse typically seen with controlled substances.

Q: Is it necessary to take Hydroxyzine Teva at the same time every day?

A: The specific schedule is determined by the healthcare provider. Dosing is often described in multiple, divided portions throughout the day, which may allow for flexibility based on whether it is used for ongoing symptoms or as needed.

Q: Can Hydroxyzine Teva affect my weight?

A: Official documents containing common and frequent side effects do not typically list noticeable changes in weight (gain or loss) as a frequent occurrence. While some official lists mention changes in appetite, weight changes are generally not listed as a common or frequent effect in official adverse event reports.

Q: Is it safe to drink coffee or caffeine while taking Hydroxyzine Teva?

A: Hydroxyzine is classified as a CNS depressant. Regulatory documents do not specifically mention caffeine, but because Hydroxyzine is a CNS depressant, concurrent use with any substance affecting the central nervous system requires consideration of potential additive effects.

Q: Can Hydroxyzine Teva be used by children?

A: Yes, regulatory documents do establish specific dosing guidelines for children. Official regimens are outlined for both children under 6 years old and those over 6 years old for specific conditions like the management of itching and symptomatic relief of anxiety or tension.

Q: Can Hydroxyzine Teva be taken with food, or does it have to be on an empty stomach?

A: Official administration instructions for the oral forms of hydroxyzine state that the medication may generally be taken without regard to meals. This means it can be taken with or without food.

Q: How does Hydroxyzine Teva relate to histamine in the body?

A: Hydroxyzine's main action is blocking H1 receptors in the body. By doing this, it suppresses the action of histamine, which is a key chemical that drives allergic reactions and causes the sensation of itching.

Q: Does Hydroxyzine Teva interact with common supplements like melatonin or CBD?

A: The potential for drug interactions is primarily based on the effect of the substances on the Central Nervous System. Regulatory warnings about CNS depressants apply to products that cause sedation or drowsiness, as combining them with Hydroxyzine may lead to additive effects.

Q: Do the sedative effects of Hydroxyzine Teva lessen over time?

A: Official documents often note that the drowsiness associated with Hydroxyzine is typically transitory. This indicates that the effect may naturally diminish with continued use or by adjusting the dosage, as the body adapts to the medication.

Q: Are there any specific foods to avoid when taking Hydroxyzine Teva?

A: Yes, official regulatory warnings advise that the consumption of grapefruit or grapefruit juice should be avoided. Official warnings state that consuming grapefruit or grapefruit juice should be avoided because it may increase the drug concentration in the body.

Q: Is it possible for Hydroxyzine Teva to stop working after a while?

A: Official documentation notes that effectiveness for sustained use beyond four months has not been fully established in systematic clinical studies for the anti-anxiety indication. Data supporting long-term findings are generally not established.

Q: Does Hydroxyzine Teva affect sleep quality?

A: The drug has a pronounced sedative property due to its action on the central nervous system. It is sometimes used as a short-term sedative, and its effect of relieving tension can indirectly relate to a person's sleep pattern.

Q: Can Hydroxyzine Teva be taken only as needed?

A: The administration regimen is determined based on the condition being addressed. Because it is prescribed for symptomatic relief, official dosing is often described in divided daily portions, a pattern that accommodates both scheduled and situational use.

Q: Can Hydroxyzine Teva be crushed or split?

A: Official administration instructions for the oral solution/syrup form require the use of a calibrated measuring device to ensure dosage accuracy. Specific regulatory guidance for crushing or splitting the tablet form is not typically provided in the official administration instructions.

Q: Does Hydroxyzine Teva interact with cold and flu medications?

A: The potential for additive effects must be considered when using Hydroxyzine with cold and flu products that contain other Central Nervous System (CNS) depressants, such as certain antihistamines or alcohol.

Q: Can Hydroxyzine Teva cause nightmares or changes in dreams?

A: Official post-marketing reports for adverse reactions include hallucination as an undesirable effect, which is related to psychiatric and central nervous system activity. Other mental or mood changes may be noted due to the drug’s central nervous system activity.

Q: Does Hydroxyzine Teva have a 'half-life,' and what does that mean?

A: Yes, hydroxyzine has an elimination half-life of approximately 20 hours. This is a pharmacological measure that describes the time required for the body to eliminate half of the drug from the bloodstream.

How should Hydroxyzine Teva be stored and disposed of?

Hydroxyzine products must be stored at Controlled Room Temperature, defined as 20 to 25 C (68 to 77 F), with excursions permitted up to 30 C.

Storage Requirements

Condition Regulatory Rule
Temperature Store at 20 to 25 C (Controlled Room Temp.).
Container Oral forms must be dispensed in a tight container and, for liquids, may require a light-resistant container.
Handling The injection solution must be protected from freezing.
Safety Keep this and all medications out of the reach and sight of children.

Disposal

Unused or expired medicine should not be disposed of in household rubbish or wastewater. Patients must consult a healthcare professional or pharmacist regarding the proper disposal method. For the injection, discard any unused portion remaining in the single-use vial.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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