Olopatadine

Olopatadine is a dual-action antihistamine and mast cell stabilizer. It works by blocking histamine receptors and preventing inflammatory cells from releasing chemicals that cause allergic reactions, providing relief for ocular and nasal allergy symptoms.

Dosage by Body Weight

Ophthalmic (0.1%): 1 drop in each affected eye twice daily, 6 to 8 hours apart. Ophthalmic (0.2% or 0.7%): 1 drop in each affected eye once daily. Nasal Spray (0.6%): 2 sprays in each nostril twice daily for adults and adolescents. Dosing is not typically calculated by body weight; consult a doctor for pediatric usage.

  1. Body Weight
    Below 5 kg
    Dose
    Not recommended
    Frequency
    Not applicable
    Tracking Notes
    Safety and efficacy have not been established in infants and children in this weight range.
  2. Body Weight
    5-7 kg
    Dose
    Not recommended
    Frequency
    Not applicable
    Tracking Notes
    Safety and efficacy are not established. Avoid use unless explicitly directed by a pediatrician.
  3. Body Weight
    8-10 kg
    Dose
    Not routine
    Frequency
    Use only if prescribed
    Tracking Notes
    For children 2 years and older, 0.1% ophthalmic drops may be used if prescribed. Nasal spray is not recommended.
  4. Body Weight
    11-15 kg
    Dose
    1 drop (0.1% ophthalmic solution) per eye
    Frequency
    Twice daily (6-8 hours apart)
    Tracking Notes
    Only for children aged 2 years and older. Nasal spray (0.6%) is not approved for this age/weight group.
  5. Body Weight
    16-20 kg
    Dose
    1 drop (0.1% ophthalmic solution) per eye
    Frequency
    Twice daily (6-8 hours apart)
    Tracking Notes
    Approved for ophthalmic use in pediatric patients aged 2 and older. Consult a doctor for appropriate formulation.

Formulation

Ophthalmic Solution (Eye Drops)Nasal SprayOral Tablet

Purpose

Relieving symptoms of allergic conjunctivitis (such as itching, redness, and swelling of the eyes) and seasonal allergic rhinitis (such as runny nose, sneezing, and nasal congestion).

Generic Name

Olopatadine Hydrochloride

Branded Drug Names

Olopatadine is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.