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Note: You must complete a short online consultation so that our doctor can ensure that the treatment is suitable for you. The above pricing should only be used as a reference. The final decision to issue this treatment lies with the prescribing doctor.
It prevents the action of a chemical in the body called phosphodiesterase type 5. This chemical makes the arterial walls in the penis narrow, making it more difficult for blood to flow in and initiate an erection. Sildenafil works by relaxing the arteries and increasing the blood flow to the penis.
Although Sildenafil works quickly, in as little as 30 minutes, it will stay in your body for up to 4 hours. This does not mean that you will sustain an erection for this time, just that the drug is still active in your system. Without sexual stimulation from foreplay you will not achieve an erection. It may reduce the recovery time needed before you have sex again.
Sildenafil comes in 25mg, 50mg and 100mg doses. You will most likely be started at 50mg to see how you handle that dose. Many people remain with that as they respond well to it, but some may need to be increased to 100mg to see an increased benefit from the medication. Conversely, some people will experience side effects and need to be switched to the 25mg dose, although the chance of this is low.
People over the age of 65 will be started on the lowest dosage. Additionally, people with liver or kidney problems, or those with HIV who are on protease inhibitors will also be given the lowest dose.
It should be taken with a glass of water a minimum of 30 minutes before you have sex. Never take more than one pill in a 24 hour period and always stick to the dosage that was prescribed for you.
Meals high in fat should be avoided as they will reduce the effectiveness of the medication. If a fat-containing meal cannot be avoided, then allow extra time after taking the pill before having sex. Excessive alcohol can also have a negative effect on the body and should be avoided.
If you have recently recovered from a stroke or heart attack then this medication may not be for you. Always tell the doctor about any changes to your health and any other treatment, prescription or over the counter, which you are taking.
Like all prescription drugs, some people may experience some sort of side effect after using this treatment. The most common symptom is a headache but it is possible to experience any of the following:
Not all possible side effects have been mentioned above. Make sure to read the patient leaflet that comes with the packaging to ensure you are familiar with your new medication and how best to avoid side effects. If you have any concerns then speak to your doctor about your options.
Should you be too embarrassed or too busy to visit your doctor, you can place an order online with 121doc. The first step is to complete our free consultation, where you will be asked to answer questions about your medical history and your condition. Secondly, you will be asked to fill out your home and delivery address. Finally you will be asked for your payment details. Once this is complete you will receive a confirmation email or SMS. At this time one of our doctors will review your consultation to ensure that you are suitable for the treatment you have chosen. If you are then a prescription will be sent to the pharmacy for immediate dispatch for delivery. If you are not suitable for this treatment then you won't be charged and you can find other erectile dysfunction treatments on 121doc that may be more suitable for you.
Your order will arrive in a plain Royal Mail envelope with no mention of 121doc or Sildenafil. All personal information that we collect is totally confidential and will not be shared with any parties.
|Overview||Most popular||Weekend pill, generic treatment|
|Works in||30-60 min||30-60 min|
|Lasts||4 hours||36 hours|
|Side effects||Usually mild||Usually mild|
|How to take|
|How to take||1 pill max a day||1 pill max a day|
|View treatment||View treatment|
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Select a condition here or use the top menu. For every condition, we provide you with information as well as the treatments we currently offer. If you don’t know which is best for you, just click the 'Advise-me' button.
If you know what you want, the quickest way to find a specific medication is to use the search bar here.
Every order starts with an online consultation. We will ask you medical questions to make sure only treatment that is safe and effective is prescribed. We take into account your lifestyle, health and any other medications you’re currently using.
The consultation is completely free, and takes between 5 and 10 minutes of your time.
All your information is safe with us. We don’t share it with anyone unless you want us to.
If you need any guidance, you can call, message or email our customer service team via the ‘How can we help you?' section here.
As soon as you place the order, one of our doctors will review your consultation. On working days, this usually takes around one hour.
If the doctor has any additional questions, you will receive a phone call and an email. We understand you might be at work or busy. Our customer service representatives are always discreet and can call back at a more convenient time if necessary.
Our emails never contain any personal or medical information, only a link to your private account on our website (where you will find your messages).
Once our pharmacy receives your prescription, you will get a second email with your package tracking code.
All orders include next-day delivery. Alternatively, you can select a delivery date that suits you better.
We also provide a free UPS Access Point service. Pick up your package from one of many collection points across the UK.
With your tracking code, you will know the estimated delivery time. All we need is your signature (or a friend‘s or relative’s).
All parcels are plainly labelled; there is no logo or any indication of its contents. Inside, you will find your treatment as well as a patient leaflet in your chosen language.
With 121doc’s Subscribe & Save service, you can automatically receive your treatment every few weeks or months.
The order will be generated by us, using the information you provided (including delivery frequency). You don’t have to do anything. Payment is taken two days before shipping.
There are two ways to subscribe. The first is during the order process. The second is via your profile here.
You can cancel or amend your repeat prescriptions at any time.
There are no sign-up fees with this service. Plus, you get a 10% discount off all future prescriptions, increasing to 15% after six orders!