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Cialis takes a little while to kick in - usually reaching peak effect around the 2-hour mark. The other most common ED drug is Cialis, approved by the FDA in 2003. The sale of Viagra and Cialis, as well as of their cousin Levitra, has been great news for men having problems in the bedroom.

Sildenafil lasts up to four hours, avanafil up to six, and vardenafil up to seven, whereas tadalafil works for up to 36 hours in most people. Optum doesn’t sell a 2.5 mg dose of tadalafil, nor does it sell a 30-day supply for daily use. Once you finish the questionnaire, you’ll be prompted to select how many doses of ED medication you want per month (up to 10) and whether you prefer Cialis or Viagra (if either). Roman shows the per-dose starting price of each option so you can easily find something affordable, but no other information is given to help you compare Cialis to Viagra.

Cialis might have been the first-ever "weekend pill" but it is no longer the only option in town for the same results. Testosterone modulates desire, arousal and orgasmic function. Concerning the orgasmic response, testosterone modulates the integrity of genital sensory receptors. Concerning the arousal response, decreased testosterone blood levels can influence the efficacy of sildenafil (Viagra).

Tadalafil was administered to over 9000 men during clinical trials worldwide. In trials of Cialis for once daily use, a total of 1434, 905, and 115 were treated for at least 6 months, 1 year, and 2 years, respectively. For Cialis for use as needed, over 1300 and 1000 subjects were treated for at least 6 months and 1 year, respectively. When cGMP is destroyed the enzyme phosphodiesterase-5, the blood vessels return to normal size, blood leaves the penis, and the erection ends. Cialis prevents phosphodiesterase-5 from destroying cGMP so cGMP stays around longer.

You’ll also need to collaborate closely with your doctor to tailor the prescription dosage specifically for you. Most people start around 10mg per tablet, but adjusting up or down from there may get better results. In the end, the only way to know which drug is right for you is through trial and error. You should talk to your doctor about potential side effects and&nbsp