Tadalafil 20mg Generic

Tadalafil 20mg Generic (Cialis) is a prescription medication used to treat erectile dysfunction. Cialis works by increasing blood flow to the penis when it is stimulated. Viagra (sildenafil) and Levitra (vardenafil) are similar to Cialis, but the major difference is that Cialis can last up to 36 hours. Cialis can interact with many medications and health conditions. Cialis manufactured by Eli Lilly in Australia, Canada, New Zealand, the United Kingdom, the United States — and other countries.