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  1. 哌唑嗪 (Prazosin)有何功效? 哌唑嗪,像 坦索羅辛 ,屬於一類稱為甲型阻斷劑的藥物。 它可以放鬆你的血管,降低 血壓 和放鬆前列腺的肌肉。 因此,特拉唑嗪可用於治療輕度至中度高血壓、 良性前列腺增生 和雷諾氏現象。 它也可以用於治療 創傷後遺症 、噩夢和 睡眠 障礙。 如何使用哌唑嗪 (Prazosin)及調較劑量? 哌唑嗪可以普通藥丸口服。 對於第一次服用哌唑嗪的患者,建議在睡前服用,以減少姿勢性低血壓的機會。 當用於高血壓時,通常的成人起始劑量的哌唑嗪是每日服用1mg兩至三次。 然後,您的醫生將根據需要逐漸增加劑量。 每日最大劑量為20mg。 對於哌唑嗪的其他用途,成人劑量可以在睡前每天0.5-1mg開始。 哌唑嗪 (Prazosin)有什麼副作用?

  2. 用法與用量. 1.高血壓用藥方式:慢慢增加劑量,直到達最佳效果或每日最高劑量 (20 mg)為止,可併用利尿劑或β交感神經阻斷劑以增加其效果。. 保持這種劑量並一天服用2-3次。. 2.未曾接受高血壓治療者:起始劑量為睡前0.5 mg增加到每次0.5 mg,每天2-3次,再增加 ...

  3. 甲型阻斷劑 (哌唑嗪 Prazosin) 此類藥物擴張血管。常見副作用有體位性低血壓、昏昏欲睡、頭暈、 頭痛等。 貯存方法 把藥物存放在陰涼及乾燥的地方 ,避免高溫或光線直接照射。除個別藥物有特別指示外,一般毋須存放在雪櫃內。 把藥物存放在兒童不能觸及的

  4. 藥物主要是幫助控制血壓水平,並不能完全根治高血壓,擅自改變劑量或停藥有機會引致血壓再度升高。 按指示每天定時用藥,才能把血壓控制平穩。 因此切勿單憑病徵而擅自改變劑量。 自己嘗試服用其他降血壓藥,因為* 是親友介紹的,聽說非常有效。 * 醫生要我服多種降血壓藥,而朋友只需服一種,他服的肯定是較好的特效藥。 降血壓藥有很多種。 因應每個人的病況及對藥物的反應,用藥的種類及劑量亦有所不同。 有些患者只需服用一種降血壓藥,而有些則要配合多種服用。 病人切勿自行停藥或自行服用其他藥物(中藥、中成藥或西藥),以免影響療效,導致血壓失控。 忘記用藥處理方法. 應儘快補用適量的劑量,若記起時已接近使用下一劑量的時間,便不必補用,只需依時使用下一劑量。 切勿使用雙倍的劑量。 貯存藥物須知.

    • What Is Prazosin?
    • Prazosin Side Effects
    • Warnings
    • Before Taking This Medicine
    • How Should I Take Prazosin?
    • Prazosin Dosing Information
    • What Happens If I Miss A dose?
    • What Happens If I Overdose?
    • What Should I Avoid While Taking Prazosin?
    • What Other Drugs Will Affect Prazosin?

    Prazosin is used to treat hypertension (high blood pressure). Lowering blood pressure may lower your risk of a stroke or heart attack. Prazosin may also be used for other purposes not listed in this medication guide.

    Get emergency medical help if you have signs of an allergic reaction:hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Prazosin may cause serious side effects. Call your doctor at once if you have: 1. a light-headed feeling, like you might pass out; 2. pounding heartbeats or fluttering in your chest; 3. new or worsening c...

    Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

    You should not use prazosin if you are allergic to it. Tell your doctor if you have ever had: 1. low blood pressure, especially if caused by taking medications. Prazosin can affect your pupils. If you have cataractsurgery, tell your surgeon ahead of time that you use prazosin. Tell your doctor if you are pregnant or plan to become pregnant. It is n...

    Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed. Prazosin lowers blood pressure and may cause dizziness or fainting, especially when you first start taking it, or whenever your dose is changed. You may feel very...

    Usual Adult Dose for Hypertension: Initial dose: 1 mg orally 2 or 3 times a day Maintenance dose: 1 to 20 mg orally per day in divided doses Comments: -Titrate slowly as determined by blood pressure response. -Therapeutic dosages usually range from 6 to 15 mg per day in divided doses. -Total daily doses greater than 20 mg usually do not increase ef...

    Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

    Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Overdose symptoms may include extreme drowsiness or underactive reflexes.

    Avoid driving or hazardous activity until you know how prazosin will affect you. Your reactions could be impaired. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Drinking alcohol with this medicine can cause side effects.

    Tell your doctor about all your other medicines, especially: 1. propranolol; 2. any other blood pressure medication; 3. a diuretic or "water pill"; or 4. sildenafil (Viagra) and other erectile dysfunctionmedicines. This list is not complete. Other drugs may affect prazosin, including prescription and over-the-counter medicines, vitamins, and herbal...

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  5. 藥效學. 本品為突觸後α 腎上腺素受體 阻滯藥,使周圍血管擴張,周圍血管阻力降低,起降壓作用。 降壓時很少發生反射性心動過速,因此對心排 血量 影響很小。 本品能擴張 動脈 和靜脈,降低心臟的 前負荷 與後負荷,使 左心室 舒張 末期壓下降, 心功能 改善,故可用於治療心力衰竭。 本品治療心力衰竭起效快,1小時達高峰,持續6小時。

  6. Generic Medicine Info. Indications and Dosage. Oral. Raynaud's syndrome. Adult: Initially, 0.5 mg bid for 3-7 days; adjust gradually according to patient’s response. Usual maintenance dose: 1-2 mg bid. Elderly: Initiate at the lower end of the dosing range. Oral. Congestive heart failure.