全面解析Viagra(伟哥):用法、效果与医学观点

Viagra(伟哥):男性健康的突破与科学解读

什么是Viagra(西地那非)?——全球知名的勃起功能障碍治疗药物

Viagra(中文名:伟哥,学名:西地那非 Sildenafil)自1998年由辉瑞公司(Pfizer)推出以来,已经成为全球男性健康领域最具代表性的药物之一。它主要用于治疗勃起功能障碍(ED),即俗称的“阳痿”,让无数男性重获自信与性生活质量。

Viagra的历史与临床意义

Viagra最初是为心血管疾病开发的药物,意外发现对男性勃起功能有显著改善。其机制、作用时间和安全性经过数十年国际临床试验验证,被美国FDA(食品药品监督管理局)和中国国家药品监督管理局批准上市(参考:NIH[1]、国家药监局[2])。

Viagra的作用机制:科学解读

Viagra主要通过抑制5-磷酸二酯酶(PDE-5),增强一氧化氮(Nitric oxide)的效应,促进平滑肌松弛,血管扩张,进而提升阴茎内血流量,使男性在性刺激下更容易勃起。

  • 药效起效:服药后30-60分钟起效,持续时间约为4-6小时。
  • 服用条件:需要有性刺激配合,否则药效不明显。
  • 安全性与依赖性:Viagra无成瘾风险,科学服用极大提升安全性。

如何正确使用Viagra?实用指南与剂量建议

合理、科学地使用Viagra才能最大限度保证其疗效和安全。以下为实用服药指南及剂量建议(参考:Mayo Clinic[3])。

剂量 推荐人群 用法
25mg 老年人/肝肾功能不全者 性生活前1小时服用,最多每天1次
50mg 大多数初次使用者 建议起始剂量,性生活前约1小时服用
100mg 对低剂量无效者,需医生评估 最大单次剂量,不宜超量
  • 服药时间:推荐空腹服用,效果最佳。
  • 避免高脂饮食:高脂肪餐可能延缓药物吸收。
  • 注意饮酒:酒精会削弱药效并增加副作用风险。

Viagra常见副作用与安全警示

Viagra大多数人在医生指导下使用是安全的。但部分人可能出现以下副作用:

  • 头痛、面部潮红
  • 鼻塞、消化不良
  • 轻度视觉模糊或色觉变化(发蓝)
  • 心悸、头晕等

罕见但严重副作用:

  • 持续勃起(>4小时,称为阴茎异常勃起,需立即就医)
  • 视力或听力突发丧失
  • 过敏反应(如皮疹、呼吸困难)

服药前应与医生详细沟通既往史,尤其是心脏病、高血压患者、正在服用硝酸酯类药物(如部分心绞痛药物),绝对禁用Viagra。

药师点评:“谨遵医嘱,个体化选择”

“Viagra虽为成熟药物,但需在正规医生指导下使用,切忌自行增加剂量或与其他药物混用。如遇副作用应及时咨询医生。”——三级甲等医院泌尿科主任药师 周博士。

常见问题答疑——Viagra与日常生活

  1. Viagra能否长期服用?
    目前没有证据表明长期按需服用Viagra会导致严重不良后果,但建议每次使用前评估健康状况。
  2. 女性或健康男性能用吗?
    Viagra未被批准用于女性及非勃起功能障碍男性,盲目滥用不可取。
  3. 药效不明显怎么办?
    90%以上男性首次服药未达到理想效果,多因未有效配合性刺激或早于/晚于推荐时间服用。可与医生沟通调整剂量或服药时机。

选购指南:为什么选择https://vryjm.page.link/TD82进行安全正规购买?

市面上存在大量假冒、劣质Viagra风险。选择有保障的正规渠道购买至关重要。
我们推荐在
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购买Viagra(伟哥)系列药物
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  • 保证正品,药师指导线上服务
  • 私密配送,隐私保护
  • 用药咨询,随时解答疑问

Viagra与同类药物对比

药品名 成分 起效时间 持续时间 适用人群
Viagra 西地那非 30-60分钟 4-6小时 大多数成年男性
Cialis 他达拉非 30-45分钟 24-36小时 需更长效药物者
Levitra 伐地那非 25-60分钟 4-5小时 对其他药无效者

信息图:Viagra作用机制一览

Viagra作用机制与血流变化图解

权威资料与进一步阅读

未被分类的信息与最新新闻动态

近年来,Viagra在帕金森、肺动脉高压等领域的研究不断拓展,其非典型用途已成为医学前沿(详见《新英格兰医学杂志NEJM》2023年论文)。此外,随着互联网医疗的发展,越来越多男性通过线上平台(如https://vryjm.page.link/TD82)获得正规、安全的用药服务,提升了医疗可及性和隐私保护。
部分未分分类的最新新闻,包括“Viagra仿制药大量上市,药价大幅下调”、“男性健康日,专家在线答疑Viagra相关话题”等,持续更新,请关注我们的最新资讯板块获取权威解读!

Blockchain Unchained 2018 will be held in Geneva, WBO will sponsor as the media partner.

Blockchain Unchained 2018 will be held in Geneva, WBO will sponsor as the media partner.

WBO has entered into a strategic cooperation agreement with Swiss-based financial technology company SwissBorg: The Blockchain Unchained 2018 sponsored by SwissBorg will be held in Geneva, Switzerland in September, and WBO will sponsor as a media partner.

BLOCKCHAIN UNCHAINED 2018

Blockchain Unchained is a three-day conference to be held in Geneva, Switzerland aiming to make blockchain technology comprehensible and accessible to the general public and raise awareness of how this new technology can be used in a myriad of business and banking ventures. With the goal of bridging the off-chain and on-chain worlds, Blockchain Unchained will unchain the mystery of blockchain and expose the vast promise and potential it has for future projects.

The conference has a two-fold purpose: to raise awareness of the utility of blockchain technology in the traditional world of banking & finance and to help enable young start-ups to get on their feet networking and pitching their ICOs. Start-ups, new to blockchain technology, will have an opportunity to learn how to grow, nurture, and pitch their ICO ideas.

 

The conference will give lectures, discussions and ICO Pitches Competitions on topics such as block ecosystem, payment prospects, banking and blockchain, blockchain financial technology and regulatory technology. Attendees can join a couple of days of talks by experts from the blockchain and traditional banking spheres and engage in networking and community building.

 

Speakers

About SwissBorg

SwissBorg is a Swiss fintech company headquartered in Lausanne, Vaud, Switzerland, decentralized to the world. It is the first Swiss crypto-wealth management platform based on the blockchain, developed by a team of financial experts. By utilizing the community-centric approach, SwissBorg aims to offer best of breed investment solutions fully focused on the community.

Partners

Blockchain Unchained is a great a chance to promote sponsors’ brand among a young and international community of fintech professionals, innovators and participants passionate about the potentials of blockchain technology and the possibilities of bridging the on-chain and off-chain spheres. Inform the community about your new/upcoming product by becoming a speaker and take part in the panel discussion. This is a great chance to enter and maintain a presence in a new field that has a vast reach and a promising future, maximize brand’s exposure and attract new clients and partners.

For more information, please visit the official website: www.blockchain-unchained.net

 

 

Geneva will host the second Blockchain & Bitcoin Conference Switzerland

 

Geneva will host the second Blockchain & Bitcoin Conference Switzerland

 

The second Blockchain & Bitcoin Conference will be held in Geneva, WBO will support as the media partner.

On October 9, 2018, Blockchain & Bitcoin Conference Switzerland will take place for the second time in Geneva, the European fintech hub. The event is dedicated to blockchain and cryptocurrencies uniting blockchain project developers, investors, analysts, financiers, specialists in marketing and legal support of business. The first Blockchain & Bitcoin Conference Switzerland was held in February and gathered more than 300 participants.

Background, topics, experts

Blockchain & Bitcoin Conference is a series of events held in different countries of the world by Smile-Expo. In 2018, more than 20 events are planned including the recent conferences in the Philippines, Australia, India, Thailand, and upcoming events in France, Switzerland, and Malta.

The event in Geneva combines a conference featuring foreign experts and a demo zone where companies will present their products. The program includes a panel discussion and a pitch session for participants of the demo zone.

The team of Smile-Expo, the international event company, includes in the program of Blockchain & Bitcoin Conference Switzerland reports of international experts as well as bright representatives of the Swiss blockchain community. In February, speakers of Blockchain & Bitcoin Conference Switzerland were representatives of CERN and investor listed in Forbes 30 under 30.

Pioneer in financial technologies

Switzerland is a country with the developed banking system and great interest in fintech innovations. Today the country has its own “crypto valley” – the city of Zug, where a functional blockchain ecosystem has been developed and many famous projects are based, such as Ethereum Foundation, Monetas, Lykke.  Zug is known for several business accelerators and HSLU-I university that teaches blockchain specialists. Besides, one can use Bitcoin to pay for goods and services here and exchange it for fiat money in one of three Bitcoin ATMs. At the end of July, the voting via the eID system based on the distributed ledger will take place in Zug.

In 2018, Procivis startup has successfully tested and implemented the eID solution and a number of e-Government services. Now users can file tax declarations, register residence, and use passport services with their smartphones.

Furthermore, there are blockchain platforms for over-the-counter securities trading launched by major financial organizations in Switzerland. As for the business application of blockchain, 75% of Swiss companies plan to integrate the technology in the next three years (according to the report of PwC).

Partner

Attend the second Blockchain & Bitcoin Conference Switzerland!

Smile-Expo’s blockchain conference in Switzerland gives an opportunity to meet global blockchain and cryptocurrency experts. It is a comfortable networking space, where one can exchange experience with companies that have already developed and implemented real-life blockchain-based solutions.

The event will be interesting for:

  • specialists working in the field of blockchain and cryptocurrencies that want to receive new and relevant information firsthand;
  • those striving to build a career in the field of blockchain and cryptocurrencies;
  • entrepreneurs that plan to integrate decentralized technologies in their business.

Related post: 全面解析Viagra(伟哥):用法、效果与医学观点

Now you can get early birds tickets on the website of the event!