May impair tasks requring mental alertness e.g. driving or operating machinery. History of epilepsy. Pregnancy and lactation. Children <3 yr.
Lactation: secreted into breast milk, do not use if breastfeeding
FDA has not yet classified the drug into a specified pregnancy category.
Mode of Action
Ketotifen selectively and noncompetitively inhibits the release of mediators from cells involved in hypersensitivity reactions. It is also a mast cell stabiliser.
Interaction
Reduced platelet count with oral antidiabetics.
Potentially Fatal: May potentiate CNS effects of sedatives, hypnotics, antihistamines and alcohol.
Pregnancy Category Note
Pregnancy Category: safety not established; weigh risk/benefit
Lactation: secreted into breast milk, do not use if breastfeeding
Adult Dose
Oral
Allergic conditions; Asthma prophylaxis
Adult: 1 mg bid up to 2 mg bid, as needed. Alternatively, 0.5-1 mg at night for the 1st few days of treatment to minimise drowsiness.
Child Dose
Allergic conditions; Asthma prophylaxis
Tablet
Child: 6 mth to 3 yr: 0.5 mg bid;
>3 yr: 1 mg bid.
Syrup:
6 months to 3 years:
0.25 ml / kg body weight, twice daily (Once in the morning & once in the evening).
Renal Dose
N/A
Administration
Should be taken with food.
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