Allergic conditions

Active Ingredient: Ketotifen

Indication for Ketotifen

Population group: only children (1 year - 12 years old) , adolescents (12 years - 18 years old) , adults (18 years old or older)
Therapeutic intent: Curative procedure

Symptomatic treatment of allergic conditions including rhinitis and conjunctivitis.

For this indication, competent medicine agencies globally authorize below treatments:

1-2 mg twice daily


Dosage regimens

Oral, between 1 milligrams ketotifen and 2 milligrams ketotifen, 2 times daily to meals.

Detailed description

1 mg twice daily with food. In patients susceptible to sedation, a slow increase in dosage is recommended during the first week of treatment, starting with ½ tablet twice daily, and increasing to the full therapeutic dose. If necessary the dose may be increased to 2 mg twice daily. At the higher dose, an accelerated onset of efficacy may be expected.

Dosage considerations

With food.

For patients aged 2 to 3 years 0.05 mg per kilogram body weight twice daily, for patients aged >3 years 1mg twice daily


Dosage regimens

Regimen A: In case that patient age in years is ≥ 2 and patient age in years is ≤ 3, oral, 0.05 milligrams ketotifen per kilogram of body weight, 2 times daily.

Regimen B: In case that patient age in years is ≥ 3, oral, 1 milligrams ketotifen, 2 times daily to meals.

Detailed description

Children aged 2 to 3 years: 0.05 mg per kilogram body weight twice daily (morning and evening).

Children over 3 years of age and adolescents: 1mg twice daily with food.

Active ingredient


Ketotifen is a histamine H1-receptor antagonist. In vivo animal studies and in vitro studies suggest the additional activities of mast cell stabilisation and inhibition of infiltration, activation and degranulation of eosinophils.

Read more about Ketotifen

Related medicines

Develop a tailored medication plan for your case, considering factors such as age, gender, and health history

Ask the Reasoner

Liability Disclaimer : RxReasoner has utilized reasonable care in providing content and services that are accurate, complete and up to date. However, RxReasoner does not accept any responsibility or liability about it. The content and services of RxReasoner are for informational purposes only and they are not intended to be a substitute for the knowledge, expertise, skill, and judgment of physicians, pharmacists, nurses, or other healthcare professionals involved in patient care. RxReasoner offers no medical advice. Users are responsible for the use of the provided content. A shown indication or treatment should not be construed to indicate that the medication is safe, appropriate, or effective in any given patient or under any particular circumstances. The absence of an indication or treatment should not roule out the existence of other appropriate medications. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition or medicament. RxReasoner is not liable for any damages allegedly sustained arising out of the use of its content and services.