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Cialis vs Viagra Side Effects. When taken as prescribed under the supervision of a healthcare professional, Cialis and Viagra are both safe and effective medications for most men.
The Best ED Medication for Men: Pros & Cons of Top ED Pills. Over the last 25 years, (ED) medications like Viagra and Cialis have become common fixtures in bedrooms around the world.
One advantage Cialis has over Viagra and Levitra is its 17.5-hour half-life (thus Cialis is advertised to work for up to 36 hours, [32] after which time there remains approximately 25% of the absorbed dose in the body) when compared to the four-hour half-life of sildenafil (Viagra).
The active ingredient in Cialis, tadalafil is a long-lasting medication that can provide relief from ED for up to 36 hours. Vardenafil . The active ingredient in Levitra, vardenafil provides ...
In 2000, Viagra sales accounted for 92% of the global market for prescribed erectile dysfunction pills. [77] By 2007, Viagra's global share had plunged to about 50% [78] due to several factors, including the entry of Cialis and Levitra, along with several counterfeits and clones, and reports of vision loss in people taking PDE5 inhibitors.
Getting a prescription for tadalafil (the active ingredient in brand names Adcirca and Cialis) can be a more complicated experience than many men expect. ... (Viagra), vardenafil (Levitra) and ...