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Levitra patent to expire 31 October 2018

Boxes of Levitra tabletsDrug manufacturer Bayer’s patent on Levitra expired 31 October 2018, following in the footsteps of Pfizer’s Viagra and Lilly’s Cialis, whose patents expired in 2013 and 2017 respectively.

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What is Levitra?

A phosphodiesterase-5 (PDE5) inhibitor, Levitra was introduced to the market in 2003, around the same time as Viagra and Cialis. It enhances blood flow to the penis during sexual stimulation by inhibiting the PDE5 enzyme normally responsible for regulating, or limiting, that blood flow.

Also known by the name of its active ingredient, vardenafil, Levitra offers help with sexual performance and improves sexual relationships affected by erectile dysfunction. Read in full

Generic Cialis set to hit the market 14 November 2017

Generic tadalafil is now available in the UK

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Cialis pack with patent expired graphicThe so-called ‘weekend pill’ will soon be made by generic manufacturers, as Eli Lilly’s patent on the drug is expected to expire in the UK 14 November 2017, and will be made available soon after from Dr Fox.

The patent for Cialis expired in March 2015 in Brazil, and is now available in that country as generic tadalafil from Sandoz.

Cialis comes onto the scene

Containing the active ingredient tadalafil, Cialis was introduced to the market in 2003, to compete with Pfizer’s erectile dysfunction medicine Viagra. It was originally developed to relieve frequent urination or weak flow of urine in patients with enlarged prostates, but it also helps increase blood flow to the penis. Read in full

Beware club drugs and Viagra

couple dancing in night clubClub drugs include Ecstasy (MDMA), the ‘date rape drug’ (Rohypnol), Crystal meth or Speed (Methamphetamine), acid (LSD), Special K (Ketamine) and Poppers (amyl nitrates). Increasingly the dangers of these drugs are escalated by taking more than one at the same time.

Typically taken at raves, parties, and clubs, these drugs are used to enhance or distort sensations and perceptions, to feel euphoric, and experience greater enjoyment. They are perceived to increase self-confidence and physical energy.

Of course these drugs are illegal for a reason. They have adverse effects and can be dangerous, even fatal. Problems arise from toxicity due to excessive dose, from interactions, and due to impurities. Illegal drugs are not monitored for quality. Read in full

Doctor and patient reviews of sildenafil

sildenafil reviewsWhen Viagra lost its patent on sildenafil in June of 2013, generic manufacturers were then licenced to produce the active chemical component of Viagra, sildenafil citrate, now commonly referred to as just sildenafil.

As the drug became less expensive, an increasing number of men have been able to use it, and their experiences are of interest to many new patients who have been prescribed sildenafil, or would like to find out more about it. Read in full

Sildenafil vs Viagra: which to choose?

photo of pharmacists comparing viagra vs sildenafilBoth Viagra and sildenafil are widely used to treat erectile dysfunction. In fact, they contain the same active ingredient. Viagra is a brand name for the sildenafil produced and sold by the company Pfizer. Sildenafil is also sold as a generic drug, which is medically identical to Viagra.

Sildenafil from 95p each
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History of sildenafil as Viagra

Sildenafil citrate was created in 1989 by British scientists Albert Wood and Peter Dunn as a possible treatment for hypertension and angina; conditions associated with coronary heart disease. In 1991 Dr. Nicholas Terrett, now often referred to as the father of Viagra, was named in the British patent for the drug as a heart medication. And though Pfizer’s early trials of the drug in the 1990s did not prove its efficacy as a heart medication, patients who took part in the clinical trials reported increased erections after taking sildenafil. Separate studies provided more information on the biochemical process that causes erections, which helped scientists understand how sildenafil could enhance the effects of sexual stimulation and open up blood vessels in the penis. Sildenafil was then studied in men with erectile dysfunction, and in 1998 it was approved by the FDA specifically for treatment of ED. Read in full

9 things I learned from having erectile dysfunction

rupert webster and wifeRupert Webster has been kind enough to share these true-life realisations with us, in the hope of helping men in similar situations. ED can wreak emotional havoc on individuals and couples, but knowing that others have been through the same kind of experience can be comforting and informative.

When you have ED, you grieve your sex life
Not being able to get an erection makes you feel like you’ve lost a part of yourself. My mind was flooded with memories of my first time, of the wonderful sex my wife and I had on our honeymoon, of the time we … well, you get the picture. It’s tough to think that it may never be that easy to have sex at the drop of a hat, and you may not ever be able to have sex at all.

My communication was terrible
I was so closed up. I really was. The first time I couldn’t perform I just pretended it had never happened. The next day it was business as usual. We started our day with a cup of tea and breakfast, a quick kiss goodbye. After several weeks it became apparent that I still couldn’t get an erection – yet I still couldn’t bring myself to speak about it. I didn’t even try to get treatment. My wife was no doubt going through her own range of emotions, but she, like me, was withdrawn. Even after 17 years of marriage neither of us felt comfortable enough to talk about it. Read in full