Most men start with and respond well to the 10 mg tadalafil dose. Lemonaid doctors and nurse practitioners are licensed to prescribe in all the states where we operate. Protease inhibitors inhibit the metabolism of tadalafil, effectively multiplying the plasma levels of tadalafil, increasing the incidence and severity of side-effects. Likewise, if you experience side effects, we may recommend that you try a lower dose of Tadalafil. If you experience sudden decrease or loss of vision, stop taking PDE5 inhibitors, including Cialis, and contact a doctor right away.The adverse health effects of falsified medicines for erectile dysfunction have been reported in Japan. We purchased tadalafil (Cialis) tablets online and assessed their authenticity . Cialis (tadalafil) is a prescription medication for those with erectile dysfunction. Many providers sell Cialis online — learn about the safest and most discreet providers here. Introduction If you’re looking at treatment options for erectile dysfunction (ED), you may want to learn more about Cialis and its cost. It’s a prescription drug used to treat symptoms of .