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12 Jun: If pills haven’t fixed your ED, it is time to consider alternatives

Millions of dollars in direct-to-consumer advertising by big pharmaceutical companies have ensured that most Americans are familiar with the “Little Blue Pill” — Viagra — as well as with competing products Cialis and Levitra. These drugs, called phosphodiesterase inhibitors, enhance the effects of nitric oxide, a chemical that relaxes muscles in the penis. This increases blood flow to enable an erection to occur with proper stimulation. There are differences among the three medications, but they are relatively minor. Viagra came on the scene first, so it’s helped more people and has a longer track record. Levitra begins working the fastest, and Cialis lasts the longest — up to 36 hours, compared to four for Viagra. Often, a doctor might prescribe…