Cilzine Tablet

Reviewed By Dr. Mekhala Chandra, MD, MBBS

Last updated on 31 Mar 2026 | 02:31 PM (IST)

Cilzine Tablet belongs to a group of medicines called antihistamines. It is used to treat various allergic conditions such as hay fever, conjunctivitis and some skin reactions, and reactions to bites and stings. It relieves watery eyes, runny nose, sneezing, and itching.

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General Information

Contains

Cetirizine (NA)

Marketer

Aretaeus Pharmaceuticals

Storage

Store below 30°C

The content is shown in English

Product introduction

Cilzine Tablet can be taken with or without food. The dose required for you may vary depending on what you are taking it for. This medicine is usually taken in the evening but follow the advice of your doctor on how to take it. You may need this medicine only on days you have symptoms, but if you are taking it to prevent symptoms you should take it regularly. If you miss doses or stop taking it earlier than advised, your symptoms may come back.

This medicine is generally very safe. The most common side effect associated with this medicine is a headache. This is usually mild and go away after a couple of days as your body adjusts. Consult your doctor if any of the side effects persist or worry you. You should avoid alcohol while taking this medicine.

Before taking it, tell your doctor if you have any kidney problems or epilepsy. Your dose may need to be modified or this medicine may not be suitable. Some other medicines can interact with this medicine, so let your healthcare team know what else you are taking. You should also talk to your doctor before using this medicine if you are pregnant or breastfeeding, although it is not thought to be harmful.

Uses of Cilzine Tablet

Treatment of Allergic conditions

Benefits of Cilzine Tablet

Treatment of Allergic conditions
Cilzine Tablet provides relief from symptoms such as blocked or runny nose, sneezing, and itchy or watery eyes. It can also give relief from allergic reactions after insect bites and symptoms of hives and eczema such as rash, swelling, itching, and irritation. This will improve the appearance of the skin. It rarely has any serious side effects and you may only need to take it on days you have symptoms. For individuals taking it to prevent getting symptoms one should use it regularly to get the most benefit.

Side effects of Cilzine Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Cilzine

Sore throat
Headache
Constipation
Sleepiness
Tiredness
Fatigue
Vomiting
Dryness in mouth
Dizziness

How to use Cilzine Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Cilzine Tablet may be taken with or without food.

How Cilzine Tablet works

Cilzine Tablet is an antihistaminic medication. It treats allergy symptoms such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.

All substitutes for Cilzine Tablet

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

Your doctor has prescribed Cilzine Tablet to help relieve allergy symptoms such as itching, swelling, and rashes.
Compared to other similar medications, Cilzine Tablet is less likely to cause sleepiness.
Stop taking Cilzine Tablet at least three days before taking an allergy test as it can affect the test results.

Safety advice

Alcohol

UNSAFE

Do not drink alcohol while you are taking this medicine. Cilzine Tablet may cause excessive drowsiness when taken with alcohol.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Cilzine Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

SAFE IF PRESCRIBED

Cilzine Tablet may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
Larger doses or prolonged use of Cilzine Tablet may cause sleepiness and other effects in the baby.

Driving

CONSULT YOUR DOCTOR

It is not known whether Cilzine Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.

Kidney

UNSAFE

Cilzine Tablet is unsafe to use in patients with kidney disease and should be avoided.
However, it is not recommended in patients with severe kidney disease. It may cause excessive sleepiness in patients with end-stage kidney disease.

Liver

SAFE IF PRESCRIBED

Cilzine Tablet is safe to use in patients with liver disease. No dose adjustment is recommended.

Interaction with drugs

Taking Cilzine with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Moderate

Mirtazapine (Oral Route)

Do not drive or do anything requiring concentration or alertness until you know how the medicines affect you.

Moderate

Thalidomide (Oral Route)

If concurrent use is essential, watch out for symptoms of Thalidomide side effects such as drowsiness, excessive sedation, tiredness, dizziness or slurred speech and consult your doctor if you experience them. It is advised to avoid driving or undertaking other tasks requiring skill and alertness.

Moderate

Dalteparin (Injection Route)

Your doctor may frequently monitor your blood clotting time. Cetirizine may reduce the efficacy of Dalteparin.

Moderate

Tranylcypromine (Oral Route)

Do not take Tranylcypromine with Cetirizine. If concurrent use is essential, talk to your doctor.

Mild

Betahistine (Oral Route)

Take Cetirizine with Betahistine only if prescribed by your doctor. Cetirizine may block the action of Betahistine.

Frequently asked questions

Does Cilzine Tablet make you tired and drowsy?

Yes, Cilzine Tablet can make you feel tired, sleepy, and weak. If you have these symptoms, you should avoid driving or operating heavy machinery.

Is Cilzine Tablet a steroid? What is it used for?

Cilzine Tablet is an anti-allergic medication, not a steroid. It relieves the symptoms of allergy. It is used to relieve runny nose, sneezing and redness, itching, and watering of the eyes caused by hay fever or seasonal allergies. It also relieves similar symptoms caused due to allergies to substances, such as dust mites, animal dander, and mold. It is also used to treat symptoms of hives, including itching and rash.

How long does it take for Cilzine Tablet to work?

You will notice an improvement within an hour of taking Cilzine Tablet. However, it may take a little longer to notice the full benefits.

Can I take Cilzine Tablet and Fexofenadine together?

Sometimes the doctor may advise you to take two different antihistamines together if you are being treated for a severe itchy rash. If you are taking Cilzine Tablet during the daytime, your doctor may prescribe another antihistamine for the night which causes sleepiness, especially if the itch makes it difficult for you to sleep. Do not take two antihistamines together unless recommended by your doctor.

For how long should I continue Cilzine Tablet?

The duration for which the medicine needs to be taken depends on the problem being treated. If you are taking it for an insect bite, you may need it for a day or two. Similarly, if you are taking it to prevent symptoms of chronic allergic rhinitis (inflammation of the nose) or chronic urticaria, you may need to take Cilzine Tablet for a longer time. Talk to your doctor if you are unsure about the duration of using Cilzine Tablet.

Is it safe to take Cilzine Tablet daily for a long time?

Cilzine Tablet is safe if used as prescribed by your doctor. Moreover, it is unlikely to harm you if you take it for a long time. But, it is best to take Cilzine Tablet for only as long as you need it.

Does Cilzine Tablet make you tired and drowsy?

Yes, Cilzine Tablet can make you feel tired, sleepy, and weak.

Is Cilzine Tablet a steroid? What is it used for?

How long does it take for Cilzine Tablet to work?

You will notice an improvement within an hour of taking Cilzine Tablet. However, it may take a little longer to notice the full benefits.

Can I take Cilzine Tablet and Fexofenadine together?

For how long should I continue Cilzine Tablet?

Is it safe to take Cilzine Tablet daily for a long time?

Fact Box

Chemical Class

Diphenylmethanes

Habit Forming

Therapeutic Class

RESPIRATORY

Action Class

Second-Generation H1 Antihistamines

Related lab tests

Absolute Eosinophil Count

Peripheral Smear Examination

Total IgE

References

Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 238-39.
Cetirizine. New York, New York: Pfizer Labs; 2003. [Accessed 01 Apr. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:
Cetirizine [Patient Information Leaflet]. Gangtok. Sikkim: Torrent Pharmaceuticals Ltd.; 2017. [Accessed 25 Jul. 2024] (online) Available from:
Cetirizine [Product information]. Lagos. Nigeria: Lincoln Pharmaceuticals Ltd.; 2024. [Accessed 16 Jul. 2025] (online) Available from:
Cetirizine [Product information]. Gandhinagar, Gujarat: Lincoln Parenteral Limited Ltd.; [Accessed 16 Jul. 2025] (online) Available from:

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Aretaeus Pharmaceuticals
Address: NO 77/31, 53rd STREET ASHOK NAGAR CHENNAI TN 600083 IN , - , .

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Cilzine Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Cilzine Tablet

Benefits of Cilzine Tablet

Side effects of Cilzine Tablet

How to use Cilzine Tablet

How Cilzine Tablet works

All substitutes for Cilzine Tablet

Alego L Tablet

Histacid Tablet

Congy Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Mirtazapine (Oral Route)

Thalidomide (Oral Route)

Dalteparin (Injection Route)

Tranylcypromine (Oral Route)

Betahistine (Oral Route)

Frequently asked questions

Does Cilzine Tablet make you tired and drowsy?

Is Cilzine Tablet a steroid? What is it used for?

How long does it take for Cilzine Tablet to work?

Can I take Cilzine Tablet and Fexofenadine together?

For how long should I continue Cilzine Tablet?

Is it safe to take Cilzine Tablet daily for a long time?

Does Cilzine Tablet make you tired and drowsy?

Is Cilzine Tablet a steroid? What is it used for?

How long does it take for Cilzine Tablet to work?

Can I take Cilzine Tablet and Fexofenadine together?

For how long should I continue Cilzine Tablet?

Is it safe to take Cilzine Tablet daily for a long time?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Absolute Eosinophil Count

Peripheral Smear Examination

Total IgE

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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