Sildenafil citrate, commonly known by the brand name, is a prescription-only medicine used to treat erectile dysfunction (ED) in adult men. It works by improving blood flow to the penis, helping to achieve and maintain an erection during sexual activity.
Sildenafil is available in 25mg, 50mg, and 100mg strengths.
Sildenafil has been shown to be effective in up to 80% of men with ED, with effects typically noticeable within 30 to 60 minutes, and lasting for up to 4–5 hours.
Common side effects include:
Less common but serious effects include visual disturbances, hearing changes, or prolonged erections. Seek medical attention if severe or persistent side effects occur.
Sildenafil should not be used by those:
Inform your doctor of all medications and supplements before use. Interactions may occur with:
Avoid excessive alcohol while taking sildenafil, as it can lower blood pressure and increase side effect risk. Use with caution if you have any heart-related conditions.
Sildenafil is available by prescription only in the UK.
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ShareSildenafil is available by prescription only and is for oral use. Please read this important and helpful information about Using UK prescriptions for ED and if you are unsure, please see our for further information.
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Viagra has been shown to cause some mild side effects. Talk to your health care provider if these do not go away within a few days. If you begin to experience more serious reactions, seek medical attention immediately.
Common side effects reported from Viagra use include:
More severe side effects include:
If you experience any of these side effects, seek medical attention immediately. These are symptoms of a severe adverse reaction to this medication that require immediate treatment.
As with all prescription medications, inform your doctor of any medical conditions you currently manage. Tell them about any and all medications, prescription drugs, and supplements you are taking before starting treatment with Viagra. Viagra can interact with bodily substances, causing potentially serious adverse reactions.
Specifically, you should inform your health care provider of any nitrate medication you are taking. Remember to mention any herbal products you use, especially St. John’s wort.
In addition, let your doctor know if you have recently had heart surgery or experience chest pain during sex. If you experience any changes in your heartbeat or chest pain during sex, contact your health care provider immediately.
as soon as possibleIn this article, we will only use images presented on this website. If you are airstealingly licensed through our provider, please contact us through the page.
In addition, let your doctor know if you are pregnant or plan to become pregnant. Pregnant or breastfeeding women should speak to their health care providers before they start any medication or treatment for erectile dysfunction.
If you are a substate of Viagra, please contact us through our provider, possibly because we are unable to use images from that substation in your home country.
Prior authorization: If you are taking a nitrate medication, consult your doctor before using Viagra. This includes any medication containing nitrates, such as Viagra® (sildenafil).
before and after ("AD trail") effectafter and afterLast updated 14 September 2023
On 14 March 2023, the UK Medicines regulator approved an application to reclassify the erectile dysfunction medication Cialis. When marketed asCialis Together(tadalafil 10mg), it will be a ‘P’ (pharmacy) medication, and so available ‘over the counter’ in pharmacies – see. This follows the 2018, ‘P’ classification of (sildenafil 50mg) which has been available OTC, without a prescription, since then.
This decision is good news for men’s health …. Erectile dysfunction can be a debilitating condition, so it’s important men feel they have fast access to quality and legitimate care
Dr Laura Squire, MHRA’s Chief Officer for Healthcare, Quality and Access
Unfortunately, there is a strong black market in the UK for ED medicines, which are often unlicensed or counterfeit. UK Border Force and the MHRA seize millions of pounds of these fake products from criminals annually. This new classification of tadalafil 10mg will enable men who suffer from ED to obtain it safely from a local pharmacy.
Sanofi, the drug manufacturer, is expected to launch Cialis Together later in 2023. Cialis Together will be available to purchase in pharmacies without a prescription by men over 18 with erectile dysfunction. Cialis Together tablets will contain 10mg tadalafil and the maximum pack size will be 8 tablets. Other doses and pack sizes of Cialis and tadalafil will still be available on prescription through doctors and specially trained pharmacists. Before purchase in a pharmacy there must be an assessment with a pharmacist, who will check that Cialis Together is appropriate and safe, or whether consultation with a GP is necessary.
Men suffering with ED will have another treatment option with the convenience of purchasing it in their local pharmacy, including pharmacies found inside supermarkets (eg. Tesco, Asda, Sainsbury’s). The pharmacist will ask some health questions, may check blood pressure, and will advise on treatment with Cialis Together or Viagra Connect, or the need to consult a GP. Pharmacies usually have a private room for such discussions.
Cialis Together is a 10mg tadalafil product for use at least 30 minutes prior to anticipated sexual activity. Its effects can last. It is not recommended for daily use. The maximum recommended dose of Cialis Together will be one tablet in 24 hours. Prescription Cialis and tadalafil will still be available at different doses.
Dr Fox welcomes the wider access to ED medication for men that Cialis Together classified as a ‘P’ OTC medication will provide. We at Dr Fox are aware of the difficulties men have in discussing ED with their GPs and in accessing ED medication. We know that Cialis is effective and safe for most men and this change provides another option for obtaining ED treatment. Pharmacists are health professionals who are able to give ED advice but they will also know when to refer men who would benefit from a doctor’s assessment. ‘P’ medicines can also be supplied on prescription, and we will offer Cialis Together, when available, alongside our other competitively priced ED products.
Dr Claire Pugh, Dr Fox Medical Director
In the UK have 3 categories:
Currently, only woman can legally practise at home with men. However a variety of other measures can be attempted, and the consideration of medicine now and then may be sought for the future.
What types of medicines can I buy without a prescription?There are many types of medicines, including all products for under 500/territory. However in the end only men and women are eligible for buying medicines without a prescription.
Viagra is a FDA approved prescription medication for the management of erectile dysfunction. It helps enhance blood flow, supporting erectile function during sexual activity.
Viagra 50mg Tablet can be taken with or without food but should always be used as directed by your doctor. For best results, take it approximately one hour before planned sexual activity. While the time it takes to work may vary from person to person, it usually starts acting within 30 minutes to an hour. This medicine works only when there is sexual stimulation. Do not exceed the recommended dose of one tablet in 24 hours.
Avoid alcohol consumption while taking this medicine, as it can increase the likelihood of experiencing side effects such as dizziness or headache and may decrease the effectiveness of Viagra Tablet.
It is essential to avoid using it with nitrate-based medications (commonly prescribed for chest pain or angina) as this combination can cause serious health risks. Additionally, do not use Viagra 50mg Tablet if you have severe heart or liver conditions, have recently experienced a heart attack or stroke, or have very low blood pressure. Always inform your doctor about your medical history before starting this medication.
The most common side effects of Viagra include flushing (a warm sensation), headache, dizziness, blurred vision, muscle pain, indigestion, and rash. If these effects persist or become bothersome, consult your doctor for advice. They may adjust your dosage or suggest an alternative treatment. Patients are advised to seek immediate medical attention if an erection lasts more than 4 hours, as priapism can cause permanent damage to the penis.
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Viagra 50mg Tablet can take up to 30 minutes to take effect. It usually takes for the effects to wear off after a few hours. If you don't get an erection after a few hours, you should let your doctor know.
fortable with alcohol consumption while taking Viagra as it can increase the likelihood of experiencing side effects such as dizziness or headache and may decrease the effectiveness of Viagra Tablet.
can be used with alcohol, as it can lead to serious side effects such as flushing, headache, muscle pain, indigestion, and nausea. If you experience any severe reactions such as chest pain, irregular heartbeat, or chest pain and blood pressure, you should contact your doctor immediately.
can be used with alcohol, as it can lead to serious side effects such as dizziness or headache and may decrease the effectiveness of Viagra Tablet.
can be used with alcohol, as it can lead to serious side effects such as indigestion, headache, muscle pain, indigestion, and nausea. If you experience severe reactions such as difficulty reaching or/or dropping an erection, you should contact your doctor immediately.
If you experience severe reactions such as flushing, headache, or dizziness, you should contact your doctor immediately.
should not be taken with Viagra 50mg Tablet, as it can cause serious health risks. You should talk to your doctor about using Viagra 50mg Tablet if you experience flushing, headache, or dizziness that doesn't go away after sexual activity, as it can cause your erection to become temporarily flummy (closing the medication down can result in a temporary loss of blood pressure).
may be taken with alcohol to help reduce the likelihood of experiencing side effects such as indigestion, dizziness, and rash. If you experience severe reactions such as difficulty dropping an erection, you should immediately contact your doctor or visit a doctor.
seizure of the pancreas or liver if Viagra 50mg Tablet is taken during pregnancy or breastfeeding. It is important to have caution with this medication, as it is likely to cause damage to the liver or other organs. Therefore, avoid sexual activity until the effects are gone and the person is completely fine. If using Viagra 50mg Tablet during pregnancy or breastfeeding, consult your doctor before using it.
should not be taken by patients who are taking Viagra 50mg Tablet so, if you think you are taking this medication, tell your doctor immediately.