Astelong 10mg Tablet

Reviewed By Dr. Rajeev Sharma, MBA, MBBS

Last updated on 31 Mar 2026 | 02:28 PM (IST)

Astelong 10mg Tablet belongs to a group of medicines called antihistamines. It used for treating allergic conditions like runny nose, red and watering eyes, or skin rashes. It also treat allergic reactions due to any medicine or food.

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General Information

Contains

Astemizole (10mg)

Marketer

Torrent Pharmaceuticals Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Astelong 10mg Tablet should be taken on an empty stomach. The dose may vary depending on what you are taking it for. Take it as it has been prescribed by your doctor. You may need this medicine only on days you have symptoms, or you may need to take it every day to prevent symptoms from happening. If you stop taking it earlier than advised, your symptoms may come back. This medicine is generally very safe.

The most common side effects are dizziness and drowsiness. This is usually mild and goes away after a couple of days as your body adjusts. Consult your doctor if it persists or worries you. Before taking it, you should tell your doctor if you have any problems with your liver or kidneys or with your heart as antihistamines can cause your heart to beat faster.

Pregnant or breastfeeding women should also consult with their doctor before taking it. Avoid drinking alcohol as it can cause excessive drowsiness with this medicine. It usually does not impair your ability to drive, but you should not drive if it makes you feel sleepy or dizzy.

Uses of Astelong Tablet

Allergic conditions

Benefits of Astelong Tablet

Allergic conditions
Astelong 10mg Tablet provides relief from symptoms such as blocked or runny nose, sneezing, and itchy or watery eyes. This will make it easier for you to go about your daily activities. 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 your skin and you may find that your mood and self-confidence improve as well. It rarely has any serious side effects and you may only need to take it on days you have symptoms. Moreover, Astelong 10mg Tablet may make you feel less sleepy as compared to other antihistamine medicines. If you are taking it to prevent getting symptoms you should use it regularly to get the most benefit.

Side effects of Astelong 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 Astelong

Drowsiness
Dizziness

How to use Astelong 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. Astelong 10mg Tablet is to be taken on an empty stomach.

How Astelong Tablet works

Astelong 10mg Tablet is an antihistaminic medication. It treats allergy symptoms such as such as itching, swelling, and rashes by blocking the effects of a chemical messenger (histamine) in the body.

Quick tips

Your doctor has prescribed Astelong 10mg Tablet to help relieve allergy symptoms such as itching, swelling, and rashes.
As compared to other similar medications, it is much less likely to make you feel sleepy.
Be cautious while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.
Do not drink alcohol while taking this medication as it may cause increased sleepiness.
Stop taking Astelong 10mg Tablet at least three days before taking an allergy test as it can affect the test results.
Your doctor has prescribed Astelong 10mg Tablet to help relieve allergy symptoms such as itching, swelling and rashes.
As compared to other similar medications, it is much less likely to make you feel sleepy.
Be cautious while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.
Do not drink alcohol while taking this medication as it may cause increased sleepiness.
Stop taking Astelong 10mg Tablet at least 3 days before taking an allergy test as it can affect the test results.

Safety advice

Alcohol

CAUTION

Alcohol should be used with caution while taking Astelong 10mg Tablet.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Astelong 10mg 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

CONSULT YOUR DOCTOR

Astelong 10mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

UNSAFE

Astelong 10mg Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Astelong 10mg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

UNSAFE

Astelong 10mg Tablet is unsafe to use in patients with liver disease and should be avoided.

Interaction with drugs

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

Moderate

Mefloquine (Oral Route)

If concurrent use is essential, watch out for symptoms such as muscle pains, abdominal pain, chest pain or discomfort and consult your doctor if you experience them.

Moderate

Tranylcypromine (Oral Route)

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

Mild

Betahistine (Oral Route)

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

Frequently asked questions

What is Astelong 10mg Tablet used for?

Astelong 10mg Tablet is used for the treatment of allergic conditions causing runny nose, redness and watering of eyes, skin rashes, and allergic reactions to medicines and food.

What should I know before using Astelong 10mg Tablet?

Before using Astelong 10mg Tablet, you should tell your doctor if you are allergic to Astelong 10mg Tablet or any of its ingredients to avoid any allergic reactions. Let your doctor know if you have, or have had any problems with your eyes. Inform your doctor about all the other medicines you are taking because they may affect, or be affected by, this medicine. Inform your doctor if you are pregnant, planning to conceive or breastfeeding to prevent any harmful effects on the baby.

Is Astelong 10mg Tablet safe?

Astelong 10mg Tablet is safe if used in the dose and duration as advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

How does Astelong 10mg Tablet work?

Astelong 10mg Tablet works by blocking the release of a naturally occurring substance in our body known as histamine, that is responsible for producing symptoms of allergies such as runny nose, red and watering eyes, or skin rashes.

What if I forget to take a dose of Astelong 10mg Tablet?

If you have missed a dose of Astelong 10mg Tablet, take it as soon as you remember it. However, if it is almost time for your next dose, take it in the regular schedule instead of taking the missed dose. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Is Astelong 10mg Tablet effective?

Astelong 10mg Tablet is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Astelong 10mg Tablet too early, the symptoms may return or worsen.

Fact Box

Chemical Class

Benzimidazoles

Habit Forming

Therapeutic Class

PAIN ANALGESICS

Action Class

Second-Generation H1 Antihistamines

Related lab tests

Absolute Eosinophil Count

Peripheral Smear Examination

Total IgE

References

User feedback

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Allergic conditions

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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: Torrent Pharmaceuticals Ltd
Address: Off. Ashram Road, Ahmedabad - 380 009., Gujarat, India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Astelong 10mg Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Astelong Tablet

Benefits of Astelong Tablet

Side effects of Astelong Tablet

How to use Astelong Tablet

How Astelong Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Mefloquine (Oral Route)

Tranylcypromine (Oral Route)

Betahistine (Oral Route)

Frequently asked questions

What is Astelong 10mg Tablet used for?

What should I know before using Astelong 10mg Tablet?

Is Astelong 10mg Tablet safe?

How does Astelong 10mg Tablet work?

What if I forget to take a dose of Astelong 10mg Tablet?

Is Astelong 10mg Tablet effective?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Absolute Eosinophil Count

Peripheral Smear Examination

Total IgE

References

User feedback

What are you using Astelong Tablet for?

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests