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Sildenafil has been around since 1998, which means a lot is known about the positive effects and also the side effects. It works within an hour of taking the medication and for its full effect, should be taken on an empty stomach. The effects of Sildenafil generally last for four to five hours.

However, you can generally take Viagra anywhere between 30 minutes and four hours before sex. The effects of Viagra’s dosages last for around four hours, although this may vary depending on the user. The smaller dosages of 2.5mg and 5mg are known as the Cialis Once Daily Tablet. These are prescribed to men who are looking to have spontaneous sex and do not wish to plan their intercourse. Smaller dosages of Cialis oral tablets, 2.5mg and 5mg, are perfect for daily use. If you have sex on a regular basis, then Cialis daily is a good option for you.

In October 2011, tadalafil received FDA approval for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH) and for the concurrent treatment of erectile dysfunction and BPH. Tadalafil is in a class of medications called phosphodiesterase (PDE) inhibitors. It works to treat erectile dysfunction by increasing blood flow to the penis during sexual stimulation. Tadalafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow more easily. Structurally vardenafil (Levitra) is similar to sildenafil, while tadalafil (Cialis) is very different. Vardenafil (Levitra) is almost 10 times more biochemically potent than sildenafil, therefore a lower dose is needed to facilitate the penile erection, potentially resulting in less side effects.

PDE5 inhibitors work by blocking the breakdown of a substance known as cyclic guanosine monophosphate (cGMP). The best dosage option should be chosen in accordance with your health and medical examination results. Take control of your medication management and join the 1,000s of patients we’ve helped safely manage their medication. However, some men don’t respond to medications such as Viagra and Cialis. This can be due to a number of factors