Askey

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

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 Askey

Property Description
Active Ingredient Cetirizine Hydrochloride
Pharmacological Class Second-Generation Antihistamine
Common Use Relief of allergy symptoms (e.g., sneezing, itching, chronic hives)
Origin Synthetic Compound (derivative of hydroxyzine)
Typical Form Oral Tablets, Chewables, or Liquid Syrup

Identity and Classification

Cetirizine Hydrochloride is the active ingredient in many widely distributed medications used for temporary allergy relief, classifying it as an internationally recognized second-generation antihistamine. It is a synthetic compound developed to provide systemic relief, typically administered orally as a tablet, chewable, or liquid.

Cetirizine is clinically recognized for its high specificity in targeting allergic responses. This characteristic establishes its role as a key agent for managing daily allergy symptoms.

Therapeutic Purpose and Unique Features

The core purpose of Cetirizine is to effectively counteract the body's response when it encounters an allergen. It is frequently used to treat conditions like hay fever (allergic rhinitis) and chronic urticaria (hives), providing sustained relief over a 24-hour period.

This medication's key differentiating feature is its peripheral selectivity. It crosses the blood-brain barrier to a minimal extent. This targeted approach ensures the drug primarily focuses its action on peripheral body tissues where the allergy occurs, significantly reducing the sedative effects commonly associated with older antihistamines.

Regulatory References

  1. FDA Drug Labeling
  2. MedlinePlus Drug Information
  3. NCBI Bookshelf, StatPearls

What side effects are possible with Askey?

Possible Side Effects and Safety Information

The official safety profile for the active ingredient in Askey (cetirizine) outlines documented adverse reactions based on their frequency and the physiological systems affected, as standardized in regulatory labeling. This information is derived exclusively from government health authorities.

Frequency-Classified Adverse Reactions

The majority of documented effects are categorized as Common (may affect up to 1 in 10 people) and typically involve the Nervous System and Gastrointestinal System. Common effects include somnolence (drowsiness), headache, dizziness, fatigue, and dry mouth. Less frequent adverse reactions, categorized as Uncommon or Rare, involve other systems and may include agitation, rash, tachycardia (rapid heart rate), or weight gain.

Classification Examples of Officially Listed Effects
Common Somnolence, Headache, Dry mouth, Fatigue, Dizziness
Rare Hypersensitivity, Tachycardia, Confusion, Hepatitis, Convulsions

Serious Adverse Reactions and Safety Constraints

Official regulatory documents list Serious Adverse Reactions that are very rare, such as Anaphylactic shock and Hepatitis. Safety constraints are placed on use: the medicine is contraindicated in patients with a history of hypersensitivity to the active substance or related compounds, and in those with severe renal impairment (kidney function impairment). Dose adjustments are explicitly required for individuals with moderate to severe renal impairment.

Time-Related Safety Patterns

The safety profile notes that effects like somnolence and dizziness may be observed more frequently at the start of treatment. Furthermore, there are documented reports of severe pruritus (itching) and/or urticaria (hives) occurring following the cessation of treatment.

Overdose and Emergency Response

Overdose and when to seek help

Overdose information for Askey, which contains cetirizine hydrochloride, is based strictly on descriptions documented in official regulatory labeling.

Documented Overdose Manifestations

Overdose may present with a range of symptoms, primarily affecting the central nervous system (CNS). Documented presentations include somnolence (drowsiness), sedation, confusion, restlessness, and irritability. Additionally, signs such as tachycardia (rapid heart rate), tremor, urinary retention, and gastrointestinal symptoms like diarrhea or vomiting have been reported in official documents.

Severe outcomes listed in regulatory documents include the potential for stupor or coma following high-dose ingestion.

Required Emergency Actions

In the event an overdose is suspected, official guidance mandates that you seek professional medical assistance immediately. Urgent help is required if the person collapses, experiences a seizure, or cannot be awakened. Treatment for overdose is symptomatic and supportive, as there is no specific antidote known for cetirizine. Procedures such as close medical observation, gastric lavage, or the administration of activated charcoal may be considered as part of the supportive management protocol listed in official labeling. Special consideration is given to children, who may present with agitation before sedation.

Therapeutic Uses of Askey

Quick Facts

  • Relieves symptoms associated with seasonal and perennial allergic rhinitis.
  • Assists in managing symptoms of chronic idiopathic urticaria (hives).
  • Helps reduce sneezing, runny nose, itchy/watery eyes, and itching due to hives.

What Askey Treats: Main Uses and Benefits

Askey (which contains the active ingredient cetirizine) is indicated to provide symptomatic relief for conditions arising from allergic reactions. Its primary therapeutic domains involve the management of allergic symptoms in both adults and pediatric populations.

The medication is utilized to address discomfort related to seasonal allergic rhinitis, commonly known as hay fever. This includes mitigating common manifestations such as sneezing, rhinorrhea (runny nose), and pruritus (itching) of the nose, throat, or eyes. It also supports the management of symptoms in perennial allergic rhinitis, which occurs year-round.

Additionally, Askey is indicated for the treatment of manifestations of chronic idiopathic urticaria (hives). In this context, it works to lessen the itching and redness associated with these skin eruptions.

Regulatory References

  1. NIH MedlinePlus guidance

Eligibility and Restrictions for Use

Who Can and Cannot Use Askey?

Askey (Cetirizine) eligibility is determined by specific population rules outlined in official regulatory labeling to ensure appropriate use.

Eligibility Classification Official Regulatory Stance
Contraindicated Populations Patients with known hypersensitivity to cetirizine, any formulation component, or to hydroxyzine. Also, patients with severe renal impairment (Creatinine clearance < 10 mL/min) must not use this medicine.
Age-Group Eligibility Approved for adults and adolescents (ge 12 years). Approved for children (6 to 11 years); however, the tablet form is generally not recommended for children under 6 years.
Conditional Use Required Patients with moderate renal impairment (CrCL 30-49 mL/min) require a mandated dose reduction. Caution is also required for elderly patients and those with a predisposition to urinary retention or a history of seizures.
Reproductive Status Use is not recommended during pregnancy or by women who are breastfeeding, as the substance passes into human milk, and risks to the infant cannot be excluded.

Official documents define eligibility by establishing absolute prohibitions based on severe organ dysfunction and hypersensitivity, setting conditional use requirements for less severe impairment, and specifying age- and reproductive-status limitations.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes formally documented interaction patterns for Askey (Cetirizine Hydrochloride) based strictly on regulatory sources.

Documented Interaction Profiles

Category Interacting Substance/Condition Official Regulatory Finding
Pharmacodynamic Interaction Alcohol / CNS Depressants Co-administration may result in additive CNS depression, potentially causing additional reductions in alertness and performance.
Pharmacokinetic Alteration Theophylline (400 mg once daily) Causes a documented 16% decrease in the clearance of cetirizine.
Pharmacokinetic Alteration Ritonavir (600 mg twice daily) Leads to an increase in the extent of cetirizine exposure by approximately 40%.
Absorption Constraint Food Does not affect the total extent of absorption (AUC), but the rate of absorption is decreased (Tmax is delayed).

Interaction-Related Restrictions and Timing

Contraindicated Combination: Due to impaired elimination, Askey is contraindicated in individuals with severe renal impairment (eGFR less than 15 ml/min).

Diagnostic Timing Rule: Antihistamine activity interferes with allergy skin tests. Regulatory documents recommend a three-day wash-out period before these procedures.

Population Note: Caution is noted for patients with hepatic impairment, as altered elimination may require special consideration to prevent drug accumulation and heightened systemic exposure. The pharmacokinetic interaction structure is centered on the drug’s primarily renal elimination.

Mechanism of Action

How Askey Works

Targeted Molecular Inhibition

The mechanism of Askey begins with its action as a targeted inhibitor or modulator at a specific enzyme or receptor. This molecular interaction serves to precisely alter the activity of a key biological target within the cell. This initial binding event prevents the target molecule from propagating signals, thereby modulating the rate of signal propagation from the target molecule.


Signal Cascade Dampening

Following primary target inhibition, the drug intervenes early in a critical signal transduction pathway (e.g., an inflammation- or stress-related cascade). This effectively limits the production and release of downstream mediators that contribute to dysregulated activity. By breaking the sequence of molecular communication, Askey modifies the activity state of the specific pathway, influencing subsequent molecular steps within the pathway at the cellular level.


️ Modulation of Peripheral Systems

The drug's activity is primarily focused on peripheral systems, acting on targets located in local tissues, immune cells, or nerve endings rather than the central nervous system. This targeted modulation modulates the signaling dynamics of regulatory processes. The resulting physiological change is a reduced responsiveness and change in the responsiveness of the affected tissue, which dictates the resulting physiological adjustments.

Dosage and Administration Information

How to Use Askey

Askey (Cetirizine Hydrochloride) usage is defined by specific administration patterns and dosage rules. The medicine is primarily approved for oral administration in the form of tablets, capsules, or syrup for treating allergic symptoms. However, the active substance is also available in intravenous (IV) and ophthalmic (eye drop) formulations for use in specific clinical scenarios.


Standard Dosing and Administration

For adults and adolescents, the usual oral regimen is 5 mg or 10 mg taken once daily, with 10 mg representing the maximum recommended dose per 24 hours. The medicine is designed for a single daily intake to provide sustained relief.

The oral forms may be taken with or without food, as food does not significantly impact the extent of absorption. If using a liquid formulation, accurate measurement is specified using the dosing tool provided.


Population-Specific Adjustments

Dose adjustments are indicated for certain patient groups to manage systemic exposure. For adults with moderately decreased renal function (Creatinine Clearance leq 50 mL/min), the dose is typically reduced to 5 mg once daily. A similar starting dose of 5 mg once daily is often recommended for older adults (65 years and over) if they have reduced kidney function.

In the event of a missed dose, the general approach is to skip the missed dose and resume the schedule at the next designated time, without taking a double dose to compensate. Oral tablets should generally be swallowed whole with liquid.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Askey (Cetirizine)

The information below summarizes the clinical research that government regulators and scientific bodies rely on to understand the clinical evaluation of Askey's active ingredient (cetirizine). This overview focuses on the types of studies conducted, the outcomes they measured, and what remains uncertain in the evidence landscape.


Research Evidence for Allergic Rhinitis (Hay Fever)

Research for seasonal (SAR) and perennial (PAR) allergic rhinitis relies on numerous short-term Randomized Controlled Trials (RCTs). These studies, which compared the active ingredient to an inactive treatment (placebo), were evaluated in systematic reviews and meta-analyses to determine whether the active ingredient was associated with changes in key symptoms of allergic rhinitis.

Researchers examined patient-reported outcomes describing perceived discomfort by tracking changes in the Total Symptom Score (TSS) (sneezing, runny nose, itching) and Outcomes reflecting daily functioning (Quality of Life scales). Studies monitored patterns where measurements of combined symptom scores were observed to be lower in the active ingredient group during the defined short-term study period.


Clinical Evidence for Chronic Idiopathic Urticaria (Chronic Hives)

Askey was studied for chronic idiopathic urticaria (CIU) using short-term Randomized Controlled Trials (RCTs). Studies monitored outcomes capturing phases of heightened symptom activity by measuring changes in the Urticaria Activity Score (UAS), which assesses both the severity of pruritus (itching) and the size and number of wheals (hives).

Data show patterns where measurements of itching and wheals were observed to be lower in the groups receiving the active ingredient compared to the inactive control in the short-term. Some studies also monitored patterns where symptom measurements were observed to be lower when a higher dosage was used in the observed population with persistent symptoms.


Evidence Gaps and Remaining Research Uncertainty

The majority of efficacy research was conducted over defined time intervals of a few weeks, meaning long-term effects are not fully established. Follow-up durations were limited in the core efficacy trials. Additionally, the original efficacy evaluations contain an underrepresentation of older adults (over 65 years). Data for certain groups remain insufficient, and research is still exploring outcomes for certain subgroups.

Frequently Asked Questions (FAQ)

Common questions about Askey (FAQ)


Q: Is Askey the same kind of medicine as [similar drug name]?

According to the official product information, the active ingredient in Askey is classified as a second-generation antihistamine. A key characteristic of this class is its peripheral selectivity, meaning it primarily focuses its action on body tissues where the allergy occurs. This targeted approach is a feature that distinguishes it from other allergy medicines.


Q: Can Askey be taken by people with high blood pressure?

Official documents do not list high blood pressure as a general condition that prevents the use of Askey. However, caution is advised for patients with underlying cardiac conditions. Official guidelines recommend informing a healthcare provider about any heart or cardiovascular history.


Q: Do any foods or drinks need to be avoided while using Askey?

Regulatory documents caution against combining Askey with alcohol or other central nervous system (CNS) depressants, as this combination may result in additive effects, potentially increasing drowsiness. The medicine is generally approved to be taken with or without food, as food does not impact the total amount of medicine absorbed.


Q: Is it normal to have mild stomach upset when starting Askey?

The official safety profile lists that effects on the Gastrointestinal System are categorized as common reactions. While the most common reported effects are generally related to the nervous system (like drowsiness), reactions like nausea or abdominal pain have been noted in some clinical trial data.


Q: What is the expected duration of the effect after taking a dose of Askey?

Studies and official information indicate that Askey is designed for a once-daily intake to provide sustained relief over a full day. Clinical data shows that the effects generally begin within approximately thirty minutes of administration.


Q: Why is Askey sometimes given to patients before a procedure?

Intravenous (IV) formulations of the active ingredient are sometimes used in hospital settings for conditions like acute urticaria (hives) where a rapid onset of action is required. This professional use allows the medicine to enter the bloodstream immediately, providing a faster response than oral forms.


Q: Does Askey affect the results of lab tests?

Regulatory documentation notes that the medicine interferes with the results of allergy skin tests due to its antihistamine action. For this reason, official guidance defines a wash-out period (typically three days) before these specific procedures. No official impact on standard blood laboratory tests is generally noted.


Q: What are the typical instructions for stopping Askey treatment?

Regulatory safety communications indicate that stopping the medicine after long-term daily use may rarely be associated with severe itching, known as pruritus. Official reports note that this symptom has been observed to improve when use was resumed or by the implementation of gradual dose tapering.


Q: Is there a generic version of Askey available?

The active ingredient in Askey is cetirizine hydrochloride. This substance is the widely available generic name used in many prescription-only and over-the-counter allergy products, depending on the country and dosage strength.


Q: Do I need a special diet while using Askey?

Regulatory documents do not require individuals to follow a special diet while using this medicine. The drug can be taken with or without food, as food does not significantly affect the total absorption. However, co-administration with alcohol is strongly cautioned against due to potential additive central nervous system (CNS) effects.


Q: Does Askey cause weight gain or weight loss?

According to the official safety profile, weight gain is listed as a Rare adverse reaction, meaning it may affect up to 1 in 1,000 people who use the medicine. Weight loss is not listed among the commonly or uncommonly reported effects.


Q: Does Askey interact with caffeine?

Official regulatory documents do not list caffeine as a formally documented drug-drug interaction requiring specific restriction. However, the medicine works as a CNS depressant (causing drowsiness), and caution is always noted with any substance that acts as a CNS stimulant.


Q: Are there different strengths or dosages of Askey available?

The active ingredient is available in several forms and strengths as defined in official labeling. These include 5 mg and 10 mg oral tablets, as well as specialized formulations like chewable tablets, liquid syrup, and an injectable solution for use in a clinical setting.


Q: Can Askey be purchased without a prescription in any country?

The status of the active ingredient varies globally depending on the dosage strength and the country's health authority. In many regions, the medicine is available as both a prescription-only product and an over-the-counter (OTC) product for general purchase.


Q: Does Askey work immediately, or does it take time to build up in the system?

Clinical data indicates that the effects of the medicine generally begin within approximately thirty minutes of administration. For the body to reach consistent levels of the medicine, known as steady-state concentrations, it typically requires about three days of continuous, scheduled use.


Q: How do researchers measure the effectiveness of Askey?

Researchers in clinical trials rely on validated scoring tools to measure the medicine’s effectiveness in patients. These tools include the Total Symptom Score (TSS) for allergic rhinitis and the Urticaria Activity Score (UAS) for chronic hives, which systematically track changes in patient-reported symptoms.


Q: What information should I look for on the official drug label for Askey?

The official drug label, often called the Summary of Product Characteristics, is the source for authoritative information. It typically includes the medicine's approved uses, the full list of potential side effects, specific warnings and contraindications, and documented interactions with other products.


Q: Can Askey be crushed or chewed?

Official regulatory labeling for the specific chewable tablet form contains instruction to chew or crush the tablet completely before swallowing. This administration method applies specifically to that formulation and is not generally stated for standard oral tablets or other forms.


Q: Does Askey have an effect on mood or anxiety?

Officially listed adverse reactions include agitation and confusion, which are categorized as uncommon or rare effects. A significant or general impact on overall mood or anxiety states is not listed in the common section of the safety profile.

How should Askey be stored and disposed of?

Storage and Disposal Requirements

Askey must be stored at Controlled Room Temperature, specifically between 20 C to 25 C (68 F to 77 F). The medication must be kept in the original container, tightly closed, and stored away from high humidity, excessive heat, and light to maintain its stability.

For safety, the medication must always be stored out of the reach and sight of children.

Expired or unused Askey should be disposed of via the preferred method: a drug take-back program. Since the medication is not on the FDA's flush list, it must not be flushed down the toilet. If take-back is unavailable, the product must be mixed with an undesirable substance (e.g., dirt) and sealed in a container for household trash disposal.

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

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