Can Cialis Improve Erectile Dysfunction and Penile Size? - Urology

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Taking Cialis?


Hello, doctor.
I have a short penis and also suffer from erectile dysfunction.
I have heard online that taking Cialis can help improve this condition.
Previously, I was prescribed Viagra at a large hospital.
I would like to know if switching to Cialis would be more effective.
I have heard that Cialis can improve blood flow issues; is it suitable for long-term use? If prescribed at the hospital, how much would it cost out of pocket? Thank you.

yong, 20~29 year old female. Ask Date: 2012/03/17

Dr. Xu Weikai reply Urology


Yong: Hello, Cialis and Viagra work in a similar way, but the difference lies in the duration of their effects.
Viagra is considered to have a shorter duration of action.
Both medications improve erectile function.
There are no reports of long-term use, but regarding Viagra, a daily dose of 100 mg is considered safe.
As for potential side effects from long-term use, I believe there may be some, to varying degrees.
In terms of pricing, Viagra generally costs around 400 NT dollars, while Cialis is slightly more expensive.
Since these medications are not covered by the National Health Insurance, prices may vary among hospitals.
You can call to inquire.
If there are any unclear points, feel free to ask again for further discussion.
Online responses should only be used as a reference; if necessary, it is best to seek medical attention at a healthcare facility.
This response is provided by Dr.
Hsu Wei-Kai, Director of the Urology Department at Taitung Hospital, Department of Health, Executive Yuan.

Reply Date: 2012/03/17

More Info


Cialis, known generically as tadalafil, is primarily used to treat erectile dysfunction (ED) and is often discussed in the context of improving sexual performance. However, it is important to clarify its effects on penile size and to address your concerns about its use.

Firstly, Cialis works by increasing blood flow to the penis, which helps achieve and maintain an erection when sexually stimulated. This mechanism is beneficial for individuals experiencing erectile dysfunction, as it can enhance the quality of erections. However, it is crucial to note that while Cialis can help you achieve a firmer erection, it does not increase the actual size of the penis. The perception of size may improve during an erection due to better blood flow, but the physical dimensions of the penis remain unchanged.

Regarding your question about switching from Viagra (sildenafil) to Cialis, both medications belong to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. They work similarly but have different pharmacokinetics. Cialis has a longer duration of action, lasting up to 36 hours, compared to Viagra, which typically lasts about 4 to 6 hours. This longer window can provide more spontaneity in sexual activity, which some individuals find beneficial. However, the effectiveness of either medication can vary from person to person, so it may be worth discussing with your healthcare provider to determine which option is best for you.

As for the long-term use of Cialis, it is generally considered safe for many individuals. Some men use it on a daily basis at a lower dose to maintain a consistent level of the medication in their system, which can help with spontaneous sexual activity. However, long-term use should always be monitored by a healthcare professional to ensure there are no adverse effects or interactions with other medications you may be taking.

In terms of cost, the price of Cialis can vary significantly depending on factors such as your location, whether you have insurance, and the pharmacy you choose. In the United States, without insurance, the cost can range from $10 to $30 per pill, depending on the dosage. Some insurance plans may cover the cost of ED medications, but this varies widely, so it’s advisable to check with your insurance provider for specific coverage details.

Lastly, it’s essential to have an open and honest discussion with your healthcare provider about your erectile dysfunction and any concerns you have regarding penile size. They can provide personalized advice and may suggest other treatment options or therapies that could be beneficial for your situation.

In summary, while Cialis can effectively improve erectile function, it does not increase penile size. Switching from Viagra to Cialis may offer benefits depending on your individual needs, but it’s important to consult with your healthcare provider for tailored advice and to discuss any potential costs associated with the medication.

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