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This medicine inhibits thromboxane synthetase selectively to suppress production of thromboxane A2. It consequently inhibits airway hypersensitivity to improve cough, breathlessness or attack.

It is usually used to treat bronchial asthma.



Antiallergic drug

It does not have the side effects of drowsiness and dry mouth associated with traditional antihistamines.



In general, for adults, take 2 tablets (200 mg of the active ingredient) at a time, twice a day after breakfast and before bedtime. The dosage should be adjusted according to the disease, age or symptoms. Strictly follow the instructions of your doctor/pharmacist.

Take the missed dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. DO NOT take double doses to make up for the missed dose.

If you took too much of the medicine, check with your doctor/pharmacist.

Do not stop taking the medicine without the instructions of your doctor.


Internal capacity

100 Tablets


If you have ever experienced any allergic reaction (itch, rash etc.) to any medicines or foods.

If you are bleeding.

If you are pregnant or breastfeeding.

If you are taking any other medicinal products. (Some medicines may interact to enhance or diminish medicinal effects. Beware of over-the-counter medicines and dietary supplements as well as other prescription medicines.)


Common side effects are reported as below. If any of them occurs, check with your doctor/pharmacist: nausea, itch, rash, discomfort in stomach, abdomen, bleeding tendency, etc.



1 tablet)
Ozagrel hydrochloride hydrate 200mg
Additives: lactose hydrate, crystalline cellulose, hydroxypropyl cellulose, magnesium stearate, hypromellose, polyoxyethylene polyoxypropylene glycol

DOMENAN Tablets 200mg 100Tablets To Suppress allergy Asthma From Japan

  • Bronchial asthma.

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