ketotifen liquid-oral (cont.)

HOW TO USE: Take this medication by mouth usually twice daily with or without food; or as directed by your doctor. The dosage is based on your medical condition and response to therapy and may be gradually increased during the first week of treatment. Doing so may decrease the severity of certain side effects (e.g., drowsiness). It is important to continue taking this medication even if you feel well. This drug is only effective at reducing or preventing asthma symptoms if it is taken consistently every day. It may take up to 10 weeks before the full benefit of this drug takes effect. Do not stop taking this medication without consulting your doctor. Some conditions may become worse when the drug is abruptly stopped. You dose may need to be gradually decreased.

SIDE EFFECTS: Drowsiness, dry mouth, headache, rash, dizziness, or weight gain may occur. If any of these effects persist or worsen, notify your doctor promptly. Tell your doctor immediately if any of these serious side effects occur: trouble sleeping, nervousness, trouble breathing (either unrelated or worsening of asthma symptoms), nose bleeds. Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: pain during urination, bladder pain, dark/bloody or pink-colored urine, stomach pain, yellowing eyes or skin, seizures. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.

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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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