{"id":8470,"date":"2016-05-16T11:00:11","date_gmt":"2016-05-16T10:00:11","guid":{"rendered":"https:\/\/design.doctorfox.co.uk\/news\/?p=8470"},"modified":"2022-02-18T12:06:24","modified_gmt":"2022-02-18T12:06:24","slug":"sildenafil-vs-viagra","status":"publish","type":"post","link":"https:\/\/www.doctorfox.co.uk\/news\/sildenafil-vs-viagra\/","title":{"rendered":"Sildenafil vs Viagra: which to choose?"},"content":{"rendered":"<p class=\"last-updated entry-meta colour-grey\"><small>Last updated 18 February 2022<\/small><\/p><p><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"200\" class=\"alignright size-medium wp-image-8473\" src=\"\/news\/wp-content\/uploads\/2016\/05\/comparing-viagra-vs-sildenafil-300x200.jpg\" alt=\"photo of pharmacists comparing viagra vs sildenafil\" srcset=\"https:\/\/assets.doctorfox.co.uk\/news\/uploads\/2016\/05\/comparing-viagra-vs-sildenafil-300x200.jpg 300w, https:\/\/assets.doctorfox.co.uk\/news\/uploads\/2016\/05\/comparing-viagra-vs-sildenafil.jpg 650w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Both 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.<\/p>\n<p><a class=\"button button--large button--no-padding mb_20\" href=\"\/erectile-dysfunction\/sildenafil.html\">Sildenafil from 95p each \u00a0<span class=\"button--pill button--pill--large icon-cart\"><\/span><\/a><br \/>\n<a href=\"\/regulation.html\"><img loading=\"lazy\" decoding=\"async\" width=\"218\" height=\"41\" class=\"alignnone size-full wp-image-10544\" src=\"\/news\/wp-content\/uploads\/2016\/05\/regulators-icons.png\" alt=\"Regulated service icons\" \/> <\/a><a href=\"https:\/\/www.trstd.com\/en-gb\/reviews\/doctorfox-co-uk\"><img loading=\"lazy\" decoding=\"async\" width=\"88\" height=\"41\" class=\"alignnone size-full wp-image-10545\" style=\"margin-left: 14px;\" src=\"\/news\/wp-content\/uploads\/2016\/05\/trustedshopsicon.png\" alt=\"Trusted Shops icon\" \/><\/a><\/p>\n<h2>History of sildenafil as Viagra<\/h2>\n<p>Sildenafil citrate was <a href=\"https:\/\/edition.cnn.com\/2013\/03\/27\/health\/viagra-anniversary-timeline\/\">created in 1989 by British scientists<\/a> 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\u2019s 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 and branded as Viagra.<!--more--><\/p>\n<h2>Sildenafil (generic Viagra) becomes available<\/h2>\n<p>When <a href=\"\/news\/cost-of-sildenafil\/\">Pfizer lost its UK patent<\/a>\u00a0for the drug in June 2013 it made way for generic manufacturers to produce sildenafil, or &#8216;generic Viagra&#8217;. It costs a fraction of the price of Viagra, and has made the treatment more accessible to a wider range of patients. You can now choose to buy <a href=\"\/erectile-dysfunction\/viagra.html\">Viagra<\/a>, Pfizer\u2019s branded drug, or <a href=\"\/erectile-dysfunction\/sildenafil.html\">sildenafil<\/a>, the generic version.<\/p>\n<h2>Blue or white pills?<\/h2>\n<p>Branded Viagra comes in small diamond-shaped blue pills \u2013 Pfizer has also patented this pill design and appearance. Sildenafil is sold as white or blue tablets, with different characteristics depending on the brand. Some have chalky finishes while others are smooth, and some are scored for easy division, while others are not. Both Viagra and the different <a href=\"\/news\/brands-of-sildenafil\/\">brands of sildenafil<\/a> can be purchased in 25mg, 50mg, and 100mg preparations, and there is no significant difference between them in terms of active ingredients.<\/p>\n<figure id=\"attachment_8677\" aria-describedby=\"caption-attachment-8677\" style=\"width: 628px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8677 size-full\" src=\"https:\/\/assets.doctorfox.co.uk\/news\/uploads\/2016\/05\/viagra-sildenafil-tablets.jpg\" alt=\"Viagra and sildenafil tablet blister packs\" width=\"628\" height=\"253\" srcset=\"https:\/\/assets.doctorfox.co.uk\/news\/uploads\/2016\/05\/viagra-sildenafil-tablets.jpg 628w, https:\/\/assets.doctorfox.co.uk\/news\/uploads\/2016\/05\/viagra-sildenafil-tablets-300x121.jpg 300w\" sizes=\"auto, (max-width: 628px) 100vw, 628px\" \/><figcaption id=\"caption-attachment-8677\" class=\"wp-caption-text\">Viagra tablets compared to sildenafil tablets. Sildenafil tablets can come in many shapes, colours, and sizes &#8211; see <a href=\"\/news\/brands-of-sildenafil\/#compare\">comparing brands of sildenafil<\/a>.<\/figcaption><\/figure>\n<h2>Why is sildenafil cheaper than Viagra?<\/h2>\n<p>As a generic medicine, sildenafil is produced by a number of manufacturers, and competition among them helps to regulate its price and keep it affordable for consumers. Branded Viagra is only produced by Pfizer, whose name recognition and customer loyalty allow it to charge a higher price for its renowned \u2018little blue pills\u2019.<\/p>\n<h2>Is one preferable to the other?<\/h2>\n<p>Viagra and sildenafil are medically the same. It is a requirement for the generic version to contain the same levels of the active ingredient in the body as its branded alternative, which is known as <a href=\"https:\/\/en.wikipedia.org\/wiki\/Bioequivalence\">bioequivalence<\/a>. Before generic drugs are licenced for sale the manufacturer must demonstrate bioequivalence to the licensing authorities (the <a href=\"https:\/\/www.ema.europa.eu\/\">European Medicines Agency<\/a>).<\/p>\n<p>If you have a private prescription for Viagra, the branded drug <em>must<\/em> be dispensed; but you may ask for sildenafil at the time that the prescription is made. They are considered equally effective, however patients must follow proper protocol for optimum results. Also note that if the condition does not respond to the initial dose of Viagra or generic sildenafil, a higher dose may be required (after several unsuccessful attempts).<\/p>\n<figure id=\"attachment_5454\" aria-describedby=\"caption-attachment-5454\" style=\"width: 700px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5454 size-full\" src=\"\/news\/wp-content\/uploads\/2016\/05\/viagra-sildenafil.jpg\" alt=\"photo of a packet of Viagra 100mg and a packet of sildenafil 100mg tablets\" width=\"700\" height=\"303\" \/><figcaption id=\"caption-attachment-5454\" class=\"wp-caption-text\">Packaging differences: Viagra 100mg tablets and Mylan sildenafil 100mg tablets<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Last updated 18 February 2022Both 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 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8472,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[31,41],"tags":[],"class_list":["post-8470","post","type-post","status-publish","format-standard","has-post-thumbnail","category-erectile-dysfunction","category-viagra-online"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Both Viagra and sildenafil are widely used to treat erectile dysfunction and, in fact, they contain the same active ingredient. 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