A Rex 25mg Tablet 10

₹42.19

SKU: Medsfindr-406 Category:
Brand Marketer:
Composition:

FormTablet

Strength25mg

CompositionHydroxyzine

Quick fact

A Rex is a hydroxyzine tablet used for skin conditions with inflammation and itching, anxiety, and to help induce sleep before surgery with anaesthesia.

Uses

What is A Rex 25mg Tablet 10 & Important Details

A Rex contains hydroxyzine and is supplied as a tablet. It is used for allergic skin symptoms and anxiety; a doctor may also use it to help induce sleep before surgery with anaesthesia.

  • The pack contains 10 tablets.
  • The listed active ingredient is hydroxyzine.

How does A Rex 25mg Tablet 10 work (mechanism of action)?

A Rex works differently for allergy symptoms and short-term anxiety. The available information describes these actions:

  1. For allergy, it blocks histamine, helping relieve itching, swelling, and rashes.
  2. For short-term anxiety, it decreases activity in the brain, which can help you feel relaxed or sleepy.

Specialized or Off-Label Uses of A Rex 25mg Tablet 10

No additional off-label use is established in the available information.

Conditions That A Rex 25mg Tablet 10 Will Not Treat

The available information does not identify specific conditions that A Rex will not treat. It is described for skin conditions with inflammation and itching, anxiety, and preoperative sedation; ask a doctor about your condition.

Benefits

What are the benefits of taking A Rex 25mg Tablet 10

A Rex may ease symptoms associated with the conditions for which it is used. The benefit depends on the reason it was prescribed.

  • For short-term anxiety, it may help manage restlessness, tiredness, difficulty concentrating, and irritability.
  • For inflamed, itchy skin conditions, it may reduce redness, rash, pain, or itchiness caused by a skin reaction to an irritant.

Side Effects

What are the most common side effects of A Rex 25mg Tablet 10?

The most common side effects listed for A Rex include drowsiness, dizziness, blurred vision, constipation, and dry mouth.

  • Drowsiness or sleepiness
  • Dizziness or blurred vision

Tell your doctor if side effects bother you, seem serious, or persist. Do not drive or operate machinery if you feel dizzy or drowsy.

What are the serious side effects of A Rex 25mg Tablet 10?

A Rex may affect heart rhythm or blood pressure.

  • Get immediate help for worsening rash, itching or swelling, severe dizziness, or breathing difficulty.

Seek urgent help for these symptoms; report heart problems to your doctor.

Severe Allergic Reactions of A Rex 25mg Tablet 10?

Do not take A Rex if you are allergic to it. A worsening allergic reaction can require emergency care.

  • Skin rash or worsening itching
  • Swelling, especially of the face, tongue, or throat
  • Severe dizziness or difficulty breathing

Seek immediate medical attention if these symptoms occur or worsen.

What side effects may I notice from receiving this medication?

Side effects can differ between people. Contact your doctor if a symptom concerns you.

  • Confusion
  • Nausea

The available information does not state how often confusion or nausea occurs.

A Rex 25mg Tablet 10 Dosage Guidelines

Overview

Take A Rex only as your doctor advises; the dose and how often it is taken depend on the reason for treatment.

An exact dose for adults, children, or older adults is not established here.

Adults

A specific adult dose is not established in the available information. Follow the dose prescribed by your doctor.

Children

A specific dose for children is not established in the available information. A doctor must confirm whether it is suitable.

Older adults

A specific dose for older adults is not established in the available information. Use requires caution because side-effect risk may be higher.

  • Your reason for treatment affects the dose and schedule.
  • Kidney or liver problems need a doctor’s review.

Dosage Adjustments for Kidney, Liver, or Other Health Problems

Dose review depends on health; a full schedule is not established.

  • Normal kidney function: A specific dose is not established.
  • Reduced kidney function: Use cautiously; ask your doctor.
  • Severe kidney impairment: A specific dose is not established.
  • Dialysis: Dosing is not established.
  • Liver disease: Use cautiously; your doctor may adjust the dose.
  • Other important conditions: Discuss heart or blood pressure problems, glaucoma, asthma, or mental illness with your doctor.

Do not change your dose yourself; ask your doctor or pharmacist if unsure.

How Often and How Long to Take A Rex 25mg Tablet 10?

Your doctor decides how often to take A Rex and how long to continue it. Take it for the duration prescribed.

  • Do not take more or less than prescribed.
  • Do not stop taking it without consulting your doctor.

How should I take A Rex 25mg Tablet 10?

Taking A Rex 25mg Tablet 10 With or Without Food

A Rex may be taken with or without food. Follow any specific instructions given by your doctor.

How to Take Specific Forms (Tablets, Chewables, Liquid Suspension)

Tablets: Swallow the tablet whole. Do not chew, crush, or break it.

Overdose/Missed Dose

What should I do if I accidentally use too much A Rex 25mg Tablet 10?

Do not take more than your prescribed dose. If you have taken too much A Rex, go to the nearest emergency medical department.

What should I do if I miss a dose of A Rex 25mg Tablet 10?

Take a missed dose when you remember. If it is time for your next dose, skip the missed one. Do not double the dose to make up for it.

Interactions

Does A Rex 25mg Tablet 10 interact with foods or drinks?

Avoid alcohol during treatment. It may increase the risk of dizziness, drowsiness, and difficulty concentrating.

Does A Rex 25mg Tablet 10 interact with other medicines (drug interactions)

A Rex may interact with other medicines. Tell your doctor about all medicines you take before starting treatment.

  • Medicines with a sedative effect may increase sleepiness and impaired thinking when taken with A Rex.
  • Tell your doctor about your current medicines, herbs, and supplements so they can check for possible interactions.

A Rex 25mg Tablet 10 and Blood Thinners

A specific interaction between A Rex and blood thinners is not established in the available information. Ask your doctor or pharmacist.

A Rex 25mg Tablet 10 and Birth Control (if applicable)

A specific interaction between A Rex and birth control is not established in the available information. Ask your doctor or pharmacist if you have concerns.

Interactions with Supplements, Vitamins, and Herbal Products

Tell your doctor about any herbs or supplements you take, as A Rex may interact with other medicines.

Warnings & Precautions

Who should not use A Rex 25mg Tablet 10?

Do not take A Rex if you are allergic to it. It is also not recommended for people with QT interval prolongation.

  • Tell your doctor if you have heart problems or high blood pressure.
  • Discuss kidney or liver problems, glaucoma, asthma, or a history of depression or other mental illness before taking it.

What should I know about A Rex 25mg Tablet 10 before using it?

Before taking A Rex, tell your doctor about your health conditions and all medicines, herbs, and supplements you use.

  • It may cause dizziness or drowsiness; avoid driving or operating machinery if these occur.
  • Use caution with heart problems or high blood pressure.

Precautions for Pre-existing Conditions (Heart, Kidney, Liver)

Kidney disease: Use with caution and consult your doctor before taking A Rex.

Liver disease: Use with caution. Your doctor may recommend dose adjustments based on your clinical condition.

Heart disease: A Rex may increase the risk of irregular heart rhythm or altered blood pressure. Use with caution and discuss your condition with your doctor.

Alcohol: Can You Drink Alcohol While Taking A Rex 25mg Tablet 10?

Avoid alcohol while taking A Rex. It may increase dizziness, drowsiness, and difficulty concentrating.

Pregnancy and Breastfeeding

Pregnancy: A Rex is not recommended during pregnancy because it may harm the foetus. Consult your doctor if you are pregnant.

Breastfeeding: A Rex is not recommended while breastfeeding because it passes into breastmilk. Consult your doctor.

Children: A specific dose for children is not established in the available information; ask a doctor to confirm suitability.

Older adults: Use with caution in older adults because the risk of side effects may be higher.

Safe Usage & Best Practices

Why You Must Complete the Full Prescription

Take A Rex for the duration prescribed. Do not discontinue it without consulting your doctor.

Consequences of Skipping Doses or Sharing Medication

Follow your prescribed schedule and do not take extra medicine to make up for a missed dose.

  • If it is time for your next dose, skip the missed dose.
  • Do not share your medicine with someone else; ask a doctor or pharmacist if you need advice.

Can A Rex 25mg Tablet 10 cause drowsiness?

Yes. Drowsiness is listed among the most common side effects of A Rex.

  • Dizziness may also occur.
  • Avoid driving or operating machinery if you feel drowsy or dizzy.

What should you do if you feel better before finishing the medication?

Even if you feel better, take A Rex for the duration prescribed.

  • Ask your doctor before making any change to your treatment.

Storage Details

Specific storage instructions for A Rex are not established in the available information. Check the product packaging or ask a pharmacist.

Common brand names – A Rex 25mg Tablet 10 available in India, USA, UK, Canada

  • India: Sold as A Rex 25mg Tablet 10 by Indian online pharmacies such as Tata 1mg and medsub.in. Other brand names are not established in the available information.
  • USA: Availability under a specific brand name is not established in the available information.
  • UK: Availability under a specific brand name is not established in the available information.
  • Canada: Availability under a specific brand name is not established in the available information.

Frequently asked questions

  • 1. Uses?

    Ans: It treats itchy skin and anxiety, and may help with sleep before surgery.

  • 2. Food?

    Ans: With or without food.

  • 3. Alcohol?

    Ans: Avoid alcohol; it may worsen drowsiness.

  • 4. Missed dose?

    Ans: Take when remembered; skip if the next dose is due. Never double.

  • 5. Drowsiness?

    Ans: If drowsy, avoid driving or machinery.

Last Updated: October 31, 2026

Medically reviewed & Written by Dr. Divya Chadha

Lead Medical Content Reviewer | 20 years MBBS, Medicine With over 20 years of dedication to patient care, Dr. Divya Chadha brings extensive experience and expertise to the field of internal medicine. She holds an MBBS degree and is committed to providing comprehensive, evidence-based care for a wide range of adult medical conditions. In addition to her clinical practice, She is a respected medical writer, contributing to the dissemination of medical knowledge and keeping pace with the latest advancements in the field.

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