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Composition for STEMIZ

Astemizole(5 mg)

food interaction for STEMIZ

alcohol interaction for STEMIZ

pregnancy interaction for STEMIZ

lactation interaction for STEMIZ

It is better to take Stemiz 5mg suspension empty stomach (1 hour before food or 2 hours after food).
Interaction with alcohol is unknown. Please consult your doctor.
Stemiz 5mg suspension may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Astemizole(5 mg)


Stemiz 5mg suspension is used in the treatment of allergic conditions causing runny nose (rhinitis), redness and watering of eyes (conjunctivitis), skin rashes (urticaria), and allergic reactions to drugs and food. However, it has been withdrawn from the market due to adverse effects on the heart rhythm (QT prolongation).

How it works

Stemiz 5mg suspension belongs to a group of medicine called as antihistamines. It acts by preventing the action of a chemical called as histamine in the body, which is involved in causing allergic reactions.

Common side effects

Nausea, Nervousness, Drowsiness, Hormone imbalance, Allergic reaction, Slow growth in children and teenagers, Convulsion, Diarrhoea, Dry mouth, Dry skin, Fainting, Headache, Altered heart rate, Gastrointestinal discomfort


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Expert advice for STEMIZ

  • Inform your doctor if you have asthma (difficulty in breathing) or any other  lung disease, decreased potassium level in blood, known heart diseases, urinary retention or an enlarged prostate, kidney and liver disorder and heart disease.
  • Inform your doctor if you are simultaneously receiving medicines for viral (including HIV), bacterial or fungal infection, malaria, depression, or sleeplessness.
  • Do not drive or operate machinery while on this drug as it may cause dizziness.
  • Do not consume alcohol when receiving astemizole as it may worsen the side effects.
  • Do not consume this drug if you are allergic to astemizole or any of its ingredients.
  • Do not consume this drug if you have heart rhythm disorders.
  • Inform  your doctor if you are pregnant or planning to become pregnant or are breastfeeding.

Frequently asked questions for STEMIZ


Q. What is astemizole used for?
Astemizole is used for the treatment allergic conditions causing runny nose, redness and watering of eyes, skin rashes, and allergic reactions to drugs and food.


Content on this page was last updated on 09 February, 2016, by Dr. Varun Gupta (MD Pharmacology)