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What is the difference between sildenafil and tadalafil?

Author: Marie

Sep. 21, 2022

3 0 0

Tags: Health & Medical

What is sildenafil?

Sildenafil is a drug that is used to treat erectile dysfunction. It works by relaxing the smooth muscle in the penis, when there is sexual stimulation. This allows blood to enter the penis easily, causing an erection. It can help to stimulate an erection that is harder, and lasts longer. Sildenafil was first introduced to the market by Pfizer in 1998, as Viagra. They had a license, also known as a patent, to be the only supplier of sildenafil. When this patent expired in 2013, it opened the door to other pharmaceutical companies, allowing them to manufacture sildenafil as a generic (non-branded) version. Pfizer had invested a huge sum of money in developing Viagra, as well as in clinical trials and marketing. This is the reason that Viagra is so expensive. The other companies that manufacture sildenafil already have the ingredients, and do not need to pay for clinical trials or marketing, as this has already been done by Pfizer. This is the reason that the generic version of sildenafil is available at a much lower cost. The active ingredient is exactly the same and they both are equally as effective as each other. 

 

What is tadalafil?

Tadalafil is also a drug that is used to treat erectile dysfunction. Similar to sildenafil, tadalafil works by allowing smooth muscles to relax in the penis, widening blood vessels. This allows blood to enter the penis when there is sexual stimulation, resulting in an erection. Tadalafil was first introduced to the market in 2003 as Cialis, by the pharmaceutical company Ely Lilly. The patent for Cialis expired in 2017, allowing other pharmaceutical companies to manufacture a non-branded (generic) version at a cheaper price. Both generic tadalafil and Cialis contain the same active ingredient, and there is no difference in effectiveness between the two.

 

What lasts longer, sildenafil or tadalafil?

Tadalafil lasts longer than sildenafil. Sildenafil has a duration of action for up to 4 hours, whilst tadalafil can last for up to 36 hours. This does not mean you will have a constant erection for the time periods each drug is active for. It means that you will achieve an erection upon sexual stimulation, for the time period that the drug is active for. Tadalafil 2.5mg and 5mg (tadalafil daily) can be taken every day, and is best suited for those that have more than 2 sexual encounters per week.

 

What works quicker, tadalafil or sildenafil?

Tadalafil works quicker than sildenafil by around 10-20 minutes on average. Sildenafil works around 30-60 minutes after it has been taken, whereas tadalafil works around 20-30 minutes after it has been taken. This can depend on the individual and how they respond to each treatment. Both sildenafil and tadalafil work best on an empty stomach. Taking tadalafil or sildenafil after a meal is likely to increase the length of time it takes to work.

 

What has the least side-effects, sildenafil or tadalafil?

Both tadalafil and sildenafil have a similar side-effect profile, but the side-effects of tadalafil may last longer, due to its larger window of action. However, sildenafil has a longer list of common side-effects that don’t appear to be as common in tadalafil. A common side-effect of both, include headache. You may also encounter facial flushing, which is when your face experiences a rapid sensation of warmth. Nasal congestion is another common side-effect of tadalafil and sildenafil.

 

Which one has a higher success rate?

Both tadalafil and sildenafil have proven to have similar success rates in clinical trials, with both proving that they are effective in over 80% of those that use either drug. A study conducted by a hospital in China, showed that tadalafil was preferred by men, and that their partners also preferred the effect that that tadalafil had over sildenafil. Another clinical trial carried out in Italy, showed that 73% of men preferred tadalafil over sildenafil.

 

Do you need a prescription for tadalafil or sildenafil?

Both tadalafil and sildenafil require a prescription, with the exception of Viagra Connect, which can be bought over the counter. To obtain sildenafil or tadalafil, you should visit your doctor, who will asses you before prescribing either drug. Erectile dysfunction treatment is not available on the NHS, unless you have a certain medical condition, and you will need to pay the private cost of the treatment. There is no set fee, and pharmacies are able to charge their own price for these treatments. You are also able to buy ED treatment online, after completing an online questionnaire. You are able to purchase Viagra Connect from a local pharmacy, after having a consultation with the pharmacist. Alternatively, you are also able to buy Viagra Connect online, after answering questions relating to your health.

 

How do I know which one to use?

The only way to know whether you should use tadalafil or sildenafil, is to try both treatments. You should speak to a pharmacist or doctor about which one to try. More details about Raw Material

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