What is the best way to treat erectile dysfunction?

1st find cause: Before searching for erectile dysfunction treatments, figure out cause. Stress, in all its varied forms, is common, for instance work, money, bills, family issues, etc. Depression is another common cause. Smoking, too. Plus many medications. Address your concerns w/your family doc. Viagra (sildenafil) is well known example of PDE-5 inhibitor class that works remarkably well & is easy to take. Unfortunately, $$