If you're taking tadalafil for pulmonary arterial hypertension, will not acquire Cialis® or other PDE5 inhibitors, for instance sildenafil (Revatio® or Viagra®) or vardenafil (Levitra®). Cialis® also is made up of tadalafil. If you're taking an excessive amount tadalafil or get it together with these medicines, the possibility for Unwanted eff