Effects and efficacy: Migraine with or without aura. Usage and dosage: The recommended dose for treating migraine attacks is 2.5 mg. If symptoms persist or recur within 24 hours, taking the medicine again is still effective. If a second dose is required, the time should be at least 2 hours apart from the first dose. If the headache is not relieved after taking 2.5 mg of this product, 5 mg can be taken in the subsequent attack. The effect is usually most obvious within 1 hour of taking the medicine. This product is equally effective no matter when it is taken during a migraine attack. It is recommended to take it as soon as possible after the onset of the disease. In case of repeated attacks, it is recommended to take no more than 15 mg in total within 24 hours. This product is not used as a preventive drug for migraine. Patients with renal impairment do not need to adjust the dose when using this product. Nasal spray: The recommended dose is 2.5 mg, spray into the nose, the maximum single dose is 5 mg, and the maximum daily dose is 10 mg. Adverse reactions: This product is well tolerated. Adverse reactions are very mild, mild, short-lived, and can be relieved without treatment. Possible adverse reactions often occur within 4 hours after taking the medicine, and no increase is observed with continued use of the medicine. The most common adverse reactions include: occasional nausea, dizziness, drowsiness, warmth, weakness, and dry mouth. Feelings of heaviness, tightness, and pressure may occur in the throat, neck, limbs, and chest (with no evidence of ischemic changes on the electrocardiogram), as well as myalgia and muscle weakness.
Drug contraindications:
Allergy to this product is contraindicated. Use with caution during lactation. Use with caution in cases of renal impairment. Use with caution in cases of liver impairment. Use with caution during pregnancy. Use with caution while driving.
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