Съдържание на знанието
1 разлики във времето и продължителността на начало
Sildenafil was first developed by Pfizer and launched in 1998 under the trade name Viagra. Its onset time is generally between 30 minutes and 1 hour after taking it, and the duration is about 4 to 6 hours. It is suitable for highly planned sexual activities, but its short duration of action has limited the flexibility of sexual life of some patients.
In contrast, tadalafil was developed by Eli Lilly and is traded under the name Cialis. Its onset time is slightly slower, usually between 30 minutes and 2 hours after taking it. However, its biggest advantage is that the duration of the drug effect can reach 36 hours, far exceeding sildenafil. This feature has earned tadalafil the reputation of "weekend medicine" Тъй като пациентите могат да правят секс в по -широк период от време, без да се налага точно да планират времето на приемане на лекарството .
2 Гъвкавост на метода на лекарствата
Sildenafil is generally recommended to be taken within 1 hour before sexual intercourse, and should not be taken more than once a day. Due to its short duration of action, patients often need to arrange their medication plan according to the time of sexual intercourse, which may not be convenient for some patients with irregular rhythm of life or uncertain sexual time.
Tadalafil can not only be taken on demand, but is also approved for long-term daily low-dose use, with a common dose of 2.5 mg or 5 mg. This low-dose daily regimen is particularly suitable for patients with frequent sexual needs or other urinary system diseases (such as benign prostatic hyperplasia). While improving the spontaneity на сексуалния живот, той също може да подобри симптомите като честа ноктурия и затруднено уриниране.
3 Метаболизъм на лекарството и хранителни взаимодействия
The absorption process of sildenafil is easily affected by a high-fat diet. If it is taken after a meal, especially a high-fat diet, the onset time may be delayed. Therefore, it is recommended to take it on an empty stomach or 2 hours after a meal for better results.
За разлика от тях, абсорбцията на тадалафил не е засегната от храната, което означава, че пациентите могат да я приемат във всяко състояние на хранене, което е по -гъвкаво и удобно за използване .
4 Сравнение на безопасността и страничните ефекти
The two drugs are generally similar in terms of safety, and common side effects include headache, facial flushing, indigestion, nasal congestion and back pain. But there are also some subtle differences. For example, tadalafil is more likely to cause back pain and muscle aches, while sildenafil is more likely to cause blurred vision and blue light vision (i . e ., ненормално цветово възприятие) .
Трябва да се отбележи, че PDE5 инхибиторите не могат да се използват в комбинация с нитрати, в противен случай те могат да причинят тежка хипотония . В допълнение, пациентите с тежко сърдечно заболяване и тежко увреждане на черния дроб и бъбреците трябва да се консултират с лекар, преди да използват такива лекарства .
5 Психологическо въздействие и удовлетвореност на пациента
Поради дългодействащия характер на Тадалафил, много пациенти казаха, че тяхната увереност в сексуалния живот се е увеличила след използването му, тъй като не е нужно да подреждат сексуалния си живот, така че точно ., причинявайки кратко действие на силденафил, може да увеличи определен „предвоен“ психологически натиск, причинявайки някои пациенти да се чувстват нервни .
Several studies have shown that patients taking tadalafil score slightly higher in the naturalness, satisfaction, and partner satisfaction of their sex life than those taking sildenafil. However, individual differences are significant, and treatment strategies still need to be adjusted according to personal experience and physical reactions.
6 Икономически фактори и наличност
After the patent protection period, multiple generic versions of sildenafil and tadalafil have been launched, and the prices have dropped significantly, especially in developing countries. Generally speaking, the price of generic sildenafil is slightly lower, but considering the possibility of daily low-dose use of tadalafil, the difference in long-term use costs is not large.
7 Приложимо население и комбинирано лечение
For patients with only occasional ED, sildenafil may be more suitable due to its rapid onset and low cost. For middle-aged and elderly patients who need greater flexibility, frequent sexual life or suffer from prostatic hyperplasia at the same time, the daily low-dose regimen of tadalafil is more advantageous. In addition, the study also found that tadalafil may have a certain Спомагателен ефект върху белодробните хипертония и нарушения на уринирането, което осигурява възможността за комбинирано лечение .
Заключение
In summary, sildenafil and tadalafil are both effective drugs for the treatment of ED, each with its own characteristics. Sildenafil is known for its rapid onset and low price, which is suitable for occasional use scenarios with strong planning. Tadalafil has gained more favor among patients due to its long-lasting effect, lack of food influence, and flexibility of daily low-dose Администрация .
