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Chỉ định và Liều dùng
Inhalation/Respiratory
Relief of bronchoconstriction Adult: As sulfate: 100-200 mcg up to 6 times/day by aerosol inhalation. As HCl: 250-500 mcg every 4-6 hr by nebulisation; max: 3 mg/day for nebulisation. Intravenous Premature labour Adult: As sulfate: slow IV Inj of 10 mcg loading dose over 5-10 minutes, followed by an initial infusion rate of 0.3 mcg/minute. Prolonged infusion at 0.075 mcg/minute may be given if there is no cervical change. Oral Relief of bronchoconstriction Adult: 0.5-1 mg tid.
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Cách dùng
Should be taken on an empty stomach. Take 30 min before meals.
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Chống chỉ định
Heavy genital haemorrhage, premature separation of the placenta, intra-uterine infections, severe myocardial insufficiency.
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Thận trọng
CV disorders including heart disease, severe hypertension and hypotension, hyperthyroidism, DM, patients who respond unusual to sympathomimetics. Thyrotoxicosis, tachycardiac arrhythmias, myocarditis, hypotension, severe renal disease, mitral valve defects, idiopathic hypertrophic subvalvular aortic stenosis. Risk of pulmonary oedema in patients being treated for premature labor. Pregnancy, lactation.
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Tác dụng không mong muốn
Occasionally, tachycardia. Palpitation and skeletal muscle tremor (on high and cumulative doses).
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Tương tác
MAOIs, TCAs, β-blockers, calcium- and vitamin D-containing preparations, dihydrotachysterol, mineralocorticoids, methylxanthines, glucocorticoids.
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Tác dụng
Description:
Mechanism of Action: Hexoprenaline is a direct-acting sympathomimetic with predominantly β-adrenergic activity selective to β2-receptors. |
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Phân loại MIMS
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