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那拉曲坦(甾体)

发布时间: :2010-10-20 20:58  浏览次数: :

CAS 参考价格::

名称 那拉曲坦
英文名 Naratriptan
英文别名 Naramig
别名 Naramig
类别 西医药物
药理作用
动力学
适应症 1.Naratriptan is a headache medicine. It is believed to work by causing vasoconstriction (narrowing) of arteries and veins that supply blood to your head. 2.Naratriptan is used to treat vascular headaches such as migraine headaches. 3.Naratriptan may also be used for purposes other than those listed in this medication guide.
用法用量 1.Take naratriptan tablets exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you. 2.Take each dose with a full glass of water. 3.Naratriptan may be taken with or without food. 4.Take one tablet as soon as you notice symptoms of a migraine, or at any time during an attack. 5.If your symptoms do not improve, call your doctor before taking any more doses of naratriptan. 6.If your symptoms improve only partially, or if they go away and then return, you can take another dose of naratriptan unless your doctor directs otherwise. The second dose must be taken 4 hours or more after the first one. Never take more than 5 mg (2 tablets) in any 24-hour period. 7.Store naratriptan at room temperature away from moisture, heat, light, and the reach of children. 8.Throw away any unused medicine on the expiration date.
不良反应 1.If you experience any of the following serious side effects, stop taking naratriptan and seek emergency medical attention: *an allergic reaction (difficulty breathing;closing of your throat;swelling of your lips, tongue, or face;or hives);or *chest pain, tightness, pressure, and/or heaviness; *neck/throat/jaw pain, tightness, or pressure;or *an irregular heartbeat. 2.Other, less serious side effects may be more likely to occur. Continue to take naratriptan and talk to your doctor if you experience *nausea or vomiting; *drowsiness or dizziness;or *numbness, tingling, flushing, warmth, redness, or heaviness in a body part. 3.Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
禁忌
注意事项 1.Do not take naratriptan if the headache you are experiencing is not like other migraines that you have had. 2.Do not take this medication if you have angina (chest pain) or if you have had a heart attack. 3.Never take more of this medication than is prescribed by your doctor. If your symptoms are not being treated, contact your doctor. If Miss a Dose: 1.Since naratriptan is taken to treat migraine headaches as they occur and not to prevent them, missing a dose is not a problem. Take only the doses you need according to your doctor's instructions. Contraindications: 1.You cannot take naratriptan if you *have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), tranylcypromine (Parnate), or phenelzine (Nardil) in the last 14 days; *have basilar or hemiplegic migraine headaches; *have had a heart attack, have angina (chest pain), or have another type of heart disease; *have had a stroke; *have ischemic bowel disease or Raynaud syndrome; *are experiencing a headache that is not like other migraines that you have had; *have taken another 5-HT agonist within the last 24 hours-other 5-HT agonists include sumatriptan (Imitrex), zolmitriptan (Zomig), and rizatriptan (Maxalt, Maxalt-MLT);or *have taken an ergot-based medication within the last 24 hours--ergot-based medicines include methysergide (Sansert), ergotamine (Ergostat, Medihaler Ergotamine), dihydroergotamine mesylate (D.H.E.), and ergotamine combination products (Cafergot, Ercaf, Wigraine, Cafatine, Cafatine-PB, Cafetrate). 2.Naratriptan may be dangerous if you have any of the conditions listed above. 3.Before taking this medication, tell your doctor if you *have high blood pressure, *have a family history of heart disease, *have high cholesterol (a type of fat in the blood), *are overweight, *have diabetes, *smoke cigarettes, *are postmenopausal, *are male and over 40 years of age, *have liver disease, *have kidney disease, or *have seizures or epilepsy. 4.You may not be able to take naratriptan, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above. 5.Naratriptan is in the FDA pregnancy category C. This means that it is not known whether naratriptan will harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant. 6.It is also not known whether naratriptan passes into breast milk. Do not take naratriptan without first talking to your doctor if you are breast-feeding a baby. 7.The FDA has not approved naratriptan for use by children younger than 18 years of age. 8.If you are over 65 years of age, you may be more likely to experience side effects from naratriptan. You may not be able to take this medication. Special Concerns: 1.Do not take naratriptan if the headache you are experiencing is not like other migraines that you have had. 2.Never take more of this medication than is prescribed by your doctor. #p#分页标题#e#
过量处理 1.Seek emergency medical attention. 2.Symptoms of a naratriptan overdose may include lightheadedness;tension in your neck;tiredness;an uncoordinated feeling;and chest pain.
相互作用 1.Do not take naratriptan if you have taken *a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), tranylcypromine (Parnate), or phenelzine (Nardil) in the last 14 days; *another 5-HT agonist in the last 24 hours-5-HT agonists include sumatriptan (Imitrex), rizatriptan (Maxalt, Maxalt-MLT), and zolmitriptan (Zomig);or *an ergot-based medication within the last 24 hours--ergot-based medicines include methysergide (Sansert), ergotamine (Ergostat, Medihaler Ergotamine), dihydroergotamine mesylate (D.H.E.), and ergotamine combination products (Cafergot, Ercaf, Wigraine, Cafatine, Cafatine-PB, Cafetrate). 2.Naratriptan may be dangerous if it is taken with any of the drugs listed above. 3.Before taking naratriptan, tell your doctor if you are taking a selective serotonin reuptake inhibitor (SSRI) such as fluoxetine (Prozac), fluvoxamine (Luvox), paroxetine (Paxil), sertraline (Zoloft), or citalopram (Celexa). You may not be able to take naratriptan, or you may require a dosage adjustment or special monitoring during treatment if you are taking any of the medicines listed above. 4.Drugs other than those listed here may also interact with naratriptan. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines
 

 

 

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