{"product_id":"sildenafil-erectile-dysfunction","title":"Sildenafil tablets (generic Viagra)","description":"\u003ch2\u003eWhat is sildenafil?\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eSildenafil is a treatment for \u003ca href=\"\/collections\/erectile-dysfunction\"\u003eerectile dysfunction\u003c\/a\u003e, often referred to as ED. With the Online Doctor erectile dysfunction service, our clinicians can prescribe Sildenafil if you’re medically suitable.\u003c\/p\u003e\n\u003ch2\u003eHow does sildenafil work?\u003c\/h2\u003e\n\u003cp\u003eIf you sometimes have issues getting or keeping an erection, you may be experiencing ED. Sildenafil's active ingredient (sildenafil citrate) increases blood flow to the penis. It enables a firmer, longer-lasting erection if you are sexually aroused. \u003c\/p\u003e\n\u003cp\u003eSildenafil is a phosphodiesterase type-5 (PDE-5) inhibitor. PDE-5 is an enzyme that breaks down cGMP, a chemical released in the body when aroused that relaxes the muscle cells in the penis and allows blood flow to increase (causing erections). As ‘inhibitor’ implies, sildenafil stops PDE-5 from working properly and increases blood flow to the penis. This should allow you to get and maintain an erection more easily.\u003c\/p\u003e\n\u003cp\u003eThe treatment will not resolve the underlying physical \u003ca href=\"\/blogs\/mens-health-advice\/erectile-dysfunction-causes\"\u003ecause of your erectile dysfunction\u003c\/a\u003e or increase your sexual desire.\u003c\/p\u003e\n\u003ch2\u003eHow long does it take for sildenafil to take effect?\u003c\/h2\u003e\n\u003cp\u003eSildenafil normally starts to work within \u003cstrong\u003e25-60 minutes\u003c\/strong\u003e. But don’t forget, you need to be aroused for it to work.\u003c\/p\u003e\n\u003ch4\u003eHow long does Sildenafil last?\u003c\/h4\u003e\n\u003cp\u003eThe effects of Sildenafil can last for up to \u003cstrong\u003esix hours\u003c\/strong\u003e. However, how long the effects last depends on your age, health and dosage.\u003c\/p\u003e\n\u003cp\u003eThis does not mean that you can expect to have an erection for up to six hours, but that during this time you are more likely to get and maintain an erection.\u003c\/p\u003e\n\u003ch2\u003eHow effective is sildenafil?\u003c\/h2\u003e\n\u003cp\u003eIt’s thought that Sildenafil works for as many as \u003ca rel=\"noopener\" href=\"https:\/\/www.nhs.uk\/medicines\/sildenafil-viagra\/\" target=\"_blank\"\u003etwo thirds of men.\u003c\/a\u003e If you have eaten a large meal or drunk more than 1-2 units of alcohol, you may find Sildenafil is less effective.\u003c\/p\u003e\n\u003cp\u003eThere’s also a chance it might not work if it’s your first-time taking Sildenafil. We recommend you try an ED medication up to 8 times on separate occasions before giving up, considering a higher dose or seeking an alternative like \u003ca href=\"\/products\/tadalafil-erectile-dysfunction\"\u003etadalafil\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWho can take sildenafil?\u003c\/h2\u003e\n\u003cp\u003eMost men over the age of 18 can take Sildenafil. However, you can't take sildenafil if the following applies to you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/blogs\/womens-health-advice\/can-women-take-viagra\"\u003eYou're a woman\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIf you are taking nicorandil or nitrates, such as GTN spray or isosorbide mononitrate tablets to treat angina\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIf you are taking alpha-blockers (such as doxazosin or tamsulosin), you should wait at least 6 hours between taking those and taking Sildenafil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is important that you let us know which prescription, over-the-counter medicines and recreational drugs you are taking so that we can prescribe Sildenafil safely.\u003c\/p\u003e\n\u003ch2\u003eHow to take sildenafil\u003c\/h2\u003e\n\u003cp\u003eSildenafil works best on an empty stomach. Sildenafil can be taken once a day and should be taken between 30 minutes and an hour before sex.\u003c\/p\u003e\n\u003cp\u003eSildenafil can be taken once a day. You should never take more than one \u003ca href=\"\/blogs\/mens-health-advice\/sildenafil-dosage-guide\"\u003eSildenafil tablet\u003c\/a\u003e in 24 hours.\u003c\/p\u003e\n\u003ch4\u003eCan you take sildenafil alongside other ED medication?\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eDo not combine sildenafil alongside other ED medication. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs there are several options available for erectile dysfunction treatments available, it can be tempting to combine two like \u003ca href=\"\/blogs\/mens-health-advice\/sildenafil-vs-tadalafil\"\u003esildenafil and tadalafil\u003c\/a\u003e together to increase your chances of a successful erection.\u003c\/p\u003e\n\u003cp\u003eDo not do this. Combining treatments can lead to side effects like dangerously low blood pressure and fainting.\u003c\/p\u003e\n\u003cp\u003eIf you are unsatisfied with your current erectile dysfunction treatment, speak to your GP first.\u003c\/p\u003e\n\u003ch2\u003eSildenafil dosage\u003c\/h2\u003e\n\u003cp\u003eThere are three dosages of sildenafil: 25mg, 50mg and 100mg. The treatment is currently available as:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosage \/ Tablet amount\u003c\/td\u003e\n\u003ctd\u003e4 tablets\u003c\/td\u003e\n\u003ctd\u003e8 tablets\u003c\/td\u003e\n\u003ctd\u003e16 tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25mg\u003c\/td\u003e\n\u003ctd\u003e£12.99\u003c\/td\u003e\n\u003ctd\u003e£19.99\u003c\/td\u003e\n\u003ctd\u003e£33.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50mg\u003c\/td\u003e\n\u003ctd\u003e£13.99\u003c\/td\u003e\n\u003ctd\u003e£23.99\u003c\/td\u003e\n\u003ctd\u003e£38.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100mg\u003c\/td\u003e\n\u003ctd\u003e£19.99\u003c\/td\u003e\n\u003ctd\u003e£38.99\u003c\/td\u003e\n\u003ctd\u003e£44.99\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosage \/ Tablet amount\u003c\/td\u003e\n\u003ctd\u003e8 tablets\u003c\/td\u003e\n\u003ctd\u003e16 tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50mg\u003c\/td\u003e\n\u003ctd\u003e£20.39\/month\u003c\/td\u003e\n\u003ctd\u003e£33.14\/month\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100mg\u003c\/td\u003e\n\u003ctd\u003e£25.49\/month\u003c\/td\u003e\n\u003ctd\u003e£38.24\/month\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003eThe standard dose is 50mg. Depending on your age, height and weight, the cause and the severity of your ED, you may be prescribed a lower dose of 25mg, or a higher one of 100mg. Higher doses come with an increased chance of developing side effects. \u003c\/p\u003e\n\u003cp\u003eSildenafil dosage does not affect how quickly or for how long the treatment works. You should take Sildenafil tablets in the dosage suggested by your clinician or as explained in the patient information leaflet.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003e“You may be tempted to choose the highest dosage of Sildenafil to guarantee an erection, but that doesn’t guarantee results. Consult your GP or take one of our online consultations to determine the correct dosage for you. It is recommended you try your current dosage eight times to determine its effectiveness. If there’s been little to no effect after that, talk to your GP about changing dosages.”\u003c\/em\u003e - Dr Bhavini Shah\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eSildenafil side effects\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eSide effects are uncommon, but can include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNausea\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVomiting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBack pain\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiarrhoea \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAn allergic rash\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFacial flushing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeadaches\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLight headedness\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNasal congestion\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIndigestion\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePalpitations (racing heartbeat) \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSildenafil side effects can include vision changes. This is rare, however if you experience a sudden decrease or loss of vision, you should call your doctor or 111 straight away.\u003c\/p\u003e\n\u003cp\u003eFor full information on side effects and correct use, see the \u003ca rel=\"noopener\" href=\"https:\/\/www.medicines.org.uk\/emc\/files\/pil.7124.pdf\" target=\"_blank\"\u003epatient information leaflet\u003c\/a\u003e. \u003c\/p\u003e\n\u003ch2\u003eSave 15% with a subscription\u003c\/h2\u003e\n\u003cp\u003eIf you’d like regular treatment, you can choose a subscription and save 15% off your consultation. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFree delivery\u003c\/strong\u003e or convenient \u003ca href=\"\/pages\/delivery-and-collection\"\u003eParcelShop collection\u003c\/a\u003e of your treatment is included each month, and there’s no contract to worry about, you can \u003cstrong\u003ecancel any time\u003c\/strong\u003e.    \u003c\/p\u003e","brand":"UK Production","offers":[{"title":"25mg \/ 4 Tablets","offer_id":42726832275644,"sku":"3615","price":16.0,"currency_code":"GBP","in_stock":true},{"title":"25mg \/ 8 Tablets","offer_id":42726832308412,"sku":"3616","price":24.0,"currency_code":"GBP","in_stock":true},{"title":"25mg \/ 16 Tablets","offer_id":42726832341180,"sku":"3617","price":45.0,"currency_code":"GBP","in_stock":true},{"title":"25mg \/ 12 Tablets","offer_id":42726832701628,"sku":"NONE","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"50mg \/ 4 Tablets","offer_id":42726832373948,"sku":"3566","price":15.0,"currency_code":"GBP","in_stock":true},{"title":"50mg \/ 8 Tablets","offer_id":42726832406716,"sku":"3567","price":28.0,"currency_code":"GBP","in_stock":true},{"title":"50mg \/ 16 Tablets","offer_id":42726832439484,"sku":"3568","price":44.99,"currency_code":"GBP","in_stock":true},{"title":"50mg \/ 12 Tablets","offer_id":42726832734396,"sku":"3760","price":39.0,"currency_code":"GBP","in_stock":true},{"title":"100mg \/ 4 Tablets","offer_id":42726832472252,"sku":"3599","price":25.0,"currency_code":"GBP","in_stock":true},{"title":"100mg \/ 8 Tablets","offer_id":42726832505020,"sku":"3600","price":35.0,"currency_code":"GBP","in_stock":true},{"title":"100mg \/ 16 Tablets","offer_id":42726832537788,"sku":"3601","price":60.0,"currency_code":"GBP","in_stock":true},{"title":"100mg \/ 12 Tablets","offer_id":42726832767164,"sku":"NONE","price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/1284\/4476\/products\/Sildenafil_Erectile_dysfunction_treatment.jpg?v=1743581393","url":"https:\/\/onlinedoctor.lloydspharmacy.com\/products\/sildenafil-erectile-dysfunction","provider":"UK Production","version":"1.0","type":"link"}