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The active ingredient in Viagra Connect is sildenafil, a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing the blood vessels in your penis, allowing blood to flow into your penis when you get sexually excited and causing an erection, and helps to prevent blood flowing back out of the penis. Viagra Connect will not work if you are not sexually excited (stimulated).

Medical checks for erectile dysfunction

Erectile dysfunction is when a man finds it difficult to achieve or maintain an erection that is firm enough to have sex. Erections depend on many different factors, including proper blood flow to the penis. Erectile dysfunction can affect men differently. Some cannot achieve an erection. Others may achieve an erection, but not firm enough for having sex or they may lose the erection before or during sex.

Before requesting treatment from Dr Fox, men must read the medical information which provides background information about erectile dysfunction and its treatment.

It is important that men with erectile dysfunction are properly assessed and advised about treatment. This includes having a health check with a doctor to check for any underlying health conditions within 6 months of starting treatment or sooner if Viagra Connect is not working.

How to take Viagra Connect

• Take 1 tablet (50mg sildenafil) 30-60 minutes before sexual activity.
• Swallow the tablet whole with water.
• Effective for around 4 hours.
• Do not take more than 1 tablet a day.

According to the study data for Viagra Connect (sildenafil 50mg) 74% of men reported that treatment improved their erections. This figure increases to 82% of men using sildenafil 100mg dosage.

There are times when ED tablets might not work and may not improve or overcome the underlying cause of erectile dysfunction. Satisfactory erections require the following:

• Adequate blood supply
• Sexual arousal - if you are not sexually aroused, Viagra Connect will not work.
• Healthy nervous system

Viagra Connect will usually achieve the desired effect the first or second time it is taken for most men, and up to 4 attempts should be made (on different days) before deciding to trial alternative treatment.

If the effect is too strong, or the side effects are too severe, a lower-dose of sildenafil (25mg) may be suitable. Our doctors and pharmacists are available to advise if required.

Possible side effects of Viagra Connect

The most common side effects of Viagra Connect (sildenafil) are headache, flushing, dyspepsia (indigestion), visual disorders, nasal congestion, dizziness, and visual colour distortion.

In the rare event of serious side effects men should seek immediate medical advice. This applies particularly to chest pains (possibly cardiac), loss of vision, and prolonged and painful erections (priapism).

For a full list of side effects see the patient information leaflet for Viagra Connect.

Viagra Connect warnings

For a full list of cautions and medicine interactions see the patient information leaflet for Viagra Connect.

Men should not take Viagra Connect without first discussing with their own doctor if they have certain medical conditions:

• Breathlessness.
• Low or high blood pressure.
• Recent heart attack.
• A history of heart disease or stroke.
• Mild or moderate liver disease or serious kidney (renal) disease.
• Angulation or deformity of the penis.
• Leukaemia.
• Multiple myeloma or sickle cell disease.
• Bleeding disorders.
• Stomach ulcers.

Do not take Viagra Connect if you also take nitrate medicine (chest pain or heart failure) or amyl nitrates ('poppers'), riociguat (high blood pressure in lungs), or ritonavir (HIV treatment), or other ED treatment.

There is a very rare theoretical risk of abnormal heart rhythm if Viagra Connect (sildenafil) is taken at the same time as some other medications - please check this list.

Alternative treatment to Viagra Connect

Other oral ED drugs work in a similar way, with similar side effects. Viagra was the first drug in this class to become widely prescribed.

The following oral tablet treatments for ED are available to buy online in various strengths and pack sizes from Dr Fox after completing the same medical consultation:

• Sildenafil (25mg, 50mg, 100mg)
• Viagra (25mg, 50mg, 100mg sildenafil)
• Cialis (2.5mg, 5mg, 10mg, 20mg tadalafil)
• Cialis Together (10mg tadalafil)
• Tadalafil (2.5mg, 5mg, 10mg, 20mg)
• Vardenafil (5mg, 10mg, 20mg generic Levitra)
• Spedra (50mg, 100mg, 200mg avanafil)

Non tablet alternatives

Other treatments for ED include topical applications, injections into the penis, surgical devices, penis pumps, and counselling.

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