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Viagra Tablets (25mg, 50mg, 100mg)
Viagra Tablets (25mg, 50mg, 100mg) Product information
£26.98 (£6.75 per tablets)
| 25mg | 50mg | 100mg | |
|---|---|---|---|
| 4 tablets | £26.98 | £29.94 | £33.49 |
| 8 tablets | £43.94 | £58.94 | £63.94 |
| 16 tablets | - | £111.99 | £121.49 |
| 32 tablets | £159.94 | £209.94 | £234.94 |
| 64 tablets | £309.94 | £399.94 | £449.94 |
Product Information for Viagra Tablets (25mg, 50mg, 100mg)
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Viagra is the brand name created by the original patent holder who developed Sildenafil as an oral treatment for Erectile Dysfunction (ED). Often known as ‘the little blue pill’, Viagra tablets contain the active ingredient Sildenafil
Citrate and come as a film-coated tablet in strengths of 25mg, 50mg and 100mg, and in variable quantities of 4, 8, 16, 32 or 64 tablets.Â
Key features
Taken 30 minutes to 1 hour before sex, Viagra is a prescription-only oral treatment for ED. It helps men achieve stronger, firmer and longer erections; however, users must be sexually aroused for it to be effective. It doesn’t cause immediate or uncontrollable erections.Â
Oral tablet taken ‘on-demand’ as needed
Available in multiple strengths
Works in 30 minutes and lasts for 4 hours
Read more about how to use in the Directions for Use section. Always read the Patient Information Leaflet that comes with the medication in full.Â
Good to know
Your online assessment will be reviewed by a doctor before a prescription is issued.
Before you complete an online assessment, read through and make sure you meet the initial eligibility criteria below. Meeting these criteria doesn’t mean you’ll automatically be approved for treatment.
Male (those assigned male at birth)
Aged 18 or over
This may not be an appropriate treatment, including if:
You take nitrates for a heart condition. These are usually tablets or capsules called Isosorbide Mononitrate or Nicorandil (a medicine very similar to a nitrate), but can be called by other names
You use poppers
You have angina or have ever been given a spray that goes under your tongue to help chest pain
You have had a heart attack or stroke within the last six weeks
You have a condition called Peyronie’s or your penis has a bend when erect
You, or anyone in your family, has a history of eye disease, including retinitis pigmentosa or non-arteritic anterior ischaemic optic neuropathy (NAION)
You have liver or kidney problems
You have sickle-cell disease, multiple myeloma, or leukaemia
You have a stomach ulcerÂ
You have low blood pressure
You have uncontrolled high blood pressure
Our expert team are on hand to have a confidential and judgement-free chat about any concerns or finding the right treatment path. Call us on 01295 262925 or email help@oxfordop.co.uk.Â
Viagra Tablets (25mg, 50mg, 100mg) reviews
How to use Viagra Tablets (25mg, 50mg, 100mg)
These film-coated tablets are a prescription-only medication and should always be taken as directed by your doctor.
Always read the Patient Information Leaflet that comes with your medication thoroughly.
Dosage
Unless otherwise prescribed, the usual recommended dose is 50mg. The dose is taken as needed, around an hour before expected sexual activity. Depending on individual outcomes and tolerance, the dose may be increased to 100mg, or decreased to 25mg. The maximum recommended dose is 100mg. Only one dose should be taken each day.
The tablet should be swallowed whole with a glass of water.
Increasing dosage levels above 100mg will not increase performance in your system, but it can lead to an increase and severity of unwanted, serious side effects.
How long does it take to work?
It is recommended to take your prescribed dose around an hour before sexual intercourse. The medication starts working for most people in around 30 minutes. Remember, it requires sexual stimulation to work.
The effects can last up to 4 hours, but because it requires sexual stimulation to work, it won’t cause prolonged erections throughout this time.
Side effects of Viagra Tablets (25mg, 50mg, 100mg)
Viagra may cause some side effects, which are usually minor. Always read the Patient Information Leaflet that comes with your medication packaging or box for a full list of possible side effects.
Common side effects (may affect up to 1 in 10 people)
Headaches
Nausea
Facial flushing
Hot flush (symptoms include a sudden feeling of heat in your upper body
Indigestion
Colour tinge to vision
Blurred vision
Visual disturbance
Stuffy nose
Dizziness
The side effects listed below are more serious. If you experience any of these, you should stop taking Viagra and seek immediate medical help.
An erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, seek medical help immediately. Priapism can permanently damage your penis.
Sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Sildenafil and get medical help right away if you have sudden vision loss in one or both eyes.
Sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you experience these symptoms, stop taking and contact a doctor right away.
If you would like to talk to our Healthcare Advisors about any concerns around side effects, please call us on 01295 262925 or email help@oxfordop.co.uk.
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You cannot take this medication if you're using nitrate medications (often prescribed for chest pain), certain blood pressure medications, or recreational drugs containing nitrates ("poppers"). Men with severe heart disease, recent stroke or heart attack, very low blood pressure, or severe liver disease are typically not suitable candidates. Always disclose all medications and health conditions during your online consultation.
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We use plain, unmarked packaging with no indication of the contents. Your medication details won't be visible to anyone handling your package.
Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)
Viagra Tablets (25mg, 50mg, 100mg) - Patient Information Leaflet
NHS - Erectile Dysfunction
NHS - Sildenafil
- How blood affects erections: the science behind erectile dysfunction
- Why do ED medicines work for some people but not others?
- What is PDE5, and how do PDE5 inhibitors work?
- What we ask (and why) before we prescribe
- Can erectile dysfunction go away on its own?
- Comparing ED treatments, what do men try first?
- Can you have ED and still be healthy?
- Can a device really help with ED? What you need to know about Vertica
- Why ED medicines sometimes stop working
- How to take ED medication safely for the first time
Authored on May 1, 2025
Robert Bradshaw (Pharmacist) - MRPharms BSc(Hons) Pharmacy
Superintendent Pharmacist
GPhC Number: 2036118
Reviewed on October 1, 2025
