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Viagra

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Viagra is a world-famous landmark medicine used to treat erectile dysfunction. When taken orally in the form of a blue pill, this single dose can help achieve an erection in 30-60 minutes. Viagra tablets work by dilating the penis’s blood vessels, boosting blood flow and allowing a more easily maintained erection. It's suitable for adult males with erectile dysfunction and contains the active ingredient sildenafil (a PDE5 inhibitor).

  • Viagra tablets to treat erectile dysfunction
  • Works within 30-60 minutes
  • The branded version of the cheaper generic Sildenafil
Erectile Dysfunction
Men's Health
Price
£33.99

Viagra

Strength: 100mg

Pack Size: 4

£33.99

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Buy Viagra Tablets Online

Viagra is one of the most popular treatments for erectile dysfunction, used to help those with erectile difficulties achieve and maintain an erection. Viagra’s effects are activated by sexual arousal and will not be effective without this.

You can order Viagra at Pharmacy Online after your personal consultation service. Viagra is available in 25mg, 50mg, or 100mg doses to treat erectile dysfunction. You can buy Viagra at Pharmacy Online. Simply start an online consultation to begin your prescription. Order today for fast and discreet delivery.

For more information about Viagra for erectile dysfunction treatment, check out our Guide to Buying Viagra Online.

When to Use Viagra 25mg Tablets?

Viagra is an effective treatment for males with erectile dysfunction. The 25mg tablets are the lowest strength dose available. It's usually prescribed in the following situations:

  • Reduce Side Effects: If you're sensitive to medicines or have experienced side effects before, a lower dose can reduce any complications.
  • Age: Men aged 65 and over usually begin on the lowest dose because their bodies take longer to metabolise the medicine.
  • Health Conditions: If you have an existing health condition, Viagra 25mg is the safer option to begin with, as it can reduce the risks of complications.

Age Restrictions For Viagra 25mg

Viagra is only suitable for men aged 18 and over. While there's no upper age limit, men over 65 usually start at the lower dose.

How to Use Viagra 25mg Tablets to Treat Erectile Dysfunction?

Viagra doesn't work instantly, and it only takes effect when you're aroused. When using the 25mg tablet, please follow these instructions:

  • Timing: Take one tablet 30 to 60 minutes before sexual activity. Viagra typically begins to work within 30 minutes, but it can be effective for up to four hours.
  • Frequency: Take only 1 tablet every 24 hours and never exceed the recommended dosage. If you don't find it effective, your healthcare provider may increase the dose.
  • Dietary Considerations: Viagra works best when taken on an empty stomach. You should also avoid consuming high-fat meals and grapefruit before using it, as they can affect the medication's metabolism.

Viagra isn't a miracle treatment, and it might not work instantly. Your body may require a few doses before it adjusts.

When to Avoid Using Viagra Erectile Dysfunction Medication?

While the 25mg dose is generally safe, there may be some situations where you should avoid using it. These include:

  • Medications: If you're taking medications called nitrates or Guanylate Cyclase Stimulators, your healthcare provider won't prescribe Viagra pills, as it can cause severe interactions.
  • Medical Conditions: If you have a cardiovascular condition or have had a recent stroke or heart attack, you won't be able to use Viagra.
  • Low Blood Pressure: Individuals with low blood pressure can experience further decreases when using Viagra.
  • Allergies: If you're sensitive or allergic to any of the ingredients in Viagra, you should avoid using it.

Precautions For Viagra 25mg Tablets

The following won't automatically rule you out of taking Viagra, but you should exercise caution:

  • Medical Conditions: If you have Peyronie's Disease or a stomach ulcer, you should seek medical advice before using it.
  • Upcoming Surgery: Viagra can impact your blood pressure during surgery, so it's vital to inform the surgeon before your procedure.
  • Lifestyle Choices: If you eat a lot of high-fat foods or drink heavily, Viagra can be less effective. Drinking while using Viagra increases the risk of fainting.

Ingredients Of Viagra 25mg Tablets

The active ingredient in Viagra 25mg is Sildenafil Citrate. As a phosphodiesterase type 5 (PDE5) inhibitor, it can boost arousal and help males achieve and maintain an erection. However, the medication only works during sexual stimulation.

Inactive ingredients include:

  • Microcrystalline Cellulose
  • Titanium Dioxide (E171)
  • Magnesium Stearate
  • Anhydrous Calcium Phosphate
  • Lactose Monohydrate
  • Croscarmellose Sodium
  • Hypromellose
  • Triacetin
  • Colourings

Side Effects Of Viagra 25mg Tablets

There are possible risks of side effects with any medication, including Viagra. Most are fairly mild and will subside over time. However, other side effects can pose more serious risks and should be reported to your GP immediately. If you are unsure or concerned about any potential side effects of Viagra, please contact a member of our team.

Common side effects of Viagra may include:

  • Nosebleeds
  • Dizziness
  • Nausea
  • Flushing
  • Headaches
  • Runny/stuffed nose
  • Red and/or warm skin
  • Diarrhoea
  • Muscle pain or back pain

The following side effects of Viagra are of a serious nature. If you experience any of the following, you must report them to your GP or online doctor immediately and seek urgent medical attention.

  • Loss of vision, either in one or both eyes. This can be indicative of a serious eye condition called non-arteritic anterior ischemic optic neuropathy.
  • An erection lasting longer than 4 hours that will not go away (priapism). If you experience priapism, seek urgent medical attention - this can cause permanent damage to your penis.
  • Sudden hearing loss, or a decrease in hearing. Some also experience ringing in their ears (tinnitus) or dizziness.
How long does Viagra 25mg take to work for erectile dysfunction?

Viagra (Sildenafil tablets) usually becomes effective in around 30 minutes. However, its effects can be seen anywhere from 20 to 60 minutes after taking the Viagra tablet.

Other factors, such as food and alcohol consumption, can influence the time taken to achieve an erection. Taking Viagra with high-fat meals or alcohol can hinder its effects.

How regularly can I take Viagra 25mg as an erectile dysfunction treatment?

Although Viagra can typically be taken as often as it is required, it is recommended not to take more than one erectile dysfunction medication treatment in 24 hours. It is also not recommended to take Viagra for more than four days a week.

What happens if Viagra 25mg doesn’t work for erectile dysfunction?

In some cases, it can take many different attempts to use Viagra before it is effective. If Viagra does not initially work, it is recommended to take it on eight separate occasions before increasing the strength or trying an alternative erectile dysfunction tablet. Alternative erectile dysfunction treatments include Tadalafil (Cialis), Vardenafil, and Levitra.

Can I buy viagra online if I have heart problems or high blood pressure?

Viagra has been shown to put extra strain on the heart, meaning those with heart conditions should be especially cautious when considering Viagra use. Viagra’s vasodilative effects on the penis can also affect the heart’s vessels. If you have a heart condition or are worried about the potential effects of Viagra, please speak to your GP before you buy Viagra.

How should Viagra be taken?

Viagra should be taken no more than once in 24 hours. It should be taken in a single dose just 30 minutes before sexual activity to help gain an erection. You should not take Viagra more than 4 times in one week.

Viagra 25mg Tablets Patient Information Leaflet

Before taking Viagra, or any medicines in general, regardless of whether they are over-the-counter or prescription-only, it is essential always to read the Viagra Patient Information Leaflet. If you have any questions about using Viagra, please speak to our online pharmacists today.

Viagra Patient Information Leaflet

Umar Razzaq, MPharm | University of Strathclyde, Clinical Pharmacist.
Content Written by:Umar RazzaqMPharm | University Of Strathclyde
Date Written:01/03/2024
Role:Clinical Pharmacist
Nish Fayyaz, MPharm | University of Strathclyde, Pharmacist.
Medically Reviewed By:Nish FayyazMPharm | University Of Strathclyde
Date Checked:30/05/2025
Role:Pharmacist
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