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Astemizole
INFORMATION ABOUT ASTEMIZOLE
Astemizole Uses
Astemizole is used in the treatment of allergic conditions.
How Astemizole works
Astemizole 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.
Common side effects of Astemizole
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
Sleepiness
CONTENT DETAILS
Last updated
25 Nov 2025 | 09:34 AM (UTC)
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Medicine brands for Astemizole
Expert advice for Astemizole
- Your doctor has prescribed Astemizole 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 Astemizole at least three days before taking an allergy test as it can affect the test results.
- Your doctor has prescribed Astemizole 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 Astemizole at least 3 days before taking an allergy test as it can affect the test results.
Frequently asked questions for Astemizole
Astemizole 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.
Before using Astemizole, you should tell your doctor if you are allergic to Astemizole 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.
Astemizole 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.
Astemizole 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.
If you have missed a dose of Astemizole, 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.
Astemizole 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 Astemizole too early, the symptoms may return or worsen.