Viagra/sildenafil, eyesight and retinitis pigmentosa

retinitis pigmentosa viagra sildenafil

Background context

Many millions of men have taken Viagra (sildenafil) repeatedly and regularly for up to 15 years, since it became available in 1998.

The concerns raised in this article are based on a single short term study in mice, which may not be relevant to humans. The mice study was carried out using very much higher doses than are taken in humans.

The side effects of medicines are monitored. There has been no reporting of widespread permanent damage to vision in men taking Viagra/sildenafil. There is no need for men to be alarmed as we discuss this is more detail. Read in full

Brands of sildenafil

Sildenafil is the medical name for the active ingredient in Viagra tablets. The patent for Viagra held by the drug company Pfizer expired in June 2013. Since then a number of UK licenced brands of sildenafil have become available from various pharmaceutical manufacturers. These companies often market sildenafil branded by their company names, e.g. Sandoz sildenafil, Mylan sildenafil, Accord, Actavis, Ajanta, Pfizer, Teva, Torrent, Dr Reddys, Bristol Labs, Zentiva, etc. Patients with a brand preference can request preferred brand after making an order with Dr Fox.
generic sildenafil
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Priapism

priapism

What is Priapism?

Priapism is a medical condition in which the penis becomes continuously erect, and usually painful, for a prolonged period of a few hours or more. It is a medical emergency, which if untreated can lead to permanent damage to the penis. A single episode can affect the future capacity to achieve erections.

During an episode of priapism the shaft of the penis will be hard and sometimes painful. The head of the penis may remain soft. Read in full

Sildenafil on the NHS

sildenafil nhs

Good news for men suffering from erectile dysfunction: sildenafil is now more widely available on the NHS in England (from 1 Aug 2014), although health managers previously advised limits of 4 tablets per month.

When Pfizer’s patent for Viagra expired in June 2013, the supply cost of sildenafil (the generic name for Viagra) was slashed from pounds to pennies. Since 1999 the availability of Viagra/sildenafil on the NHS has been subject to certain restrictions. Specifically, the drug was only available to male patients whose erectile dysfunction was associated with any of the following conditions:

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Alternative erectile dysfunction treatments

new erectile dysfunction treatmentsMost men with erectile dysfunction take tablets known medically as PDE5 inhibitors. These include Viagra/sildenafil, Cialis/tadalafil, or Levitra/vardenafil. However there are some less familiar treatments, including some less well known PDE5 inhibitors tablets and a medicine known as alprostadil. Alprostadil comes as cream, insertable pellet or injection and works directly on the penis. Read in full

Vitaros cream for ED

vitaros cream onlineA cream which treats erectile dysfunction (ED) is now available on prescription in the UK.

The cream – called Vitaros – now gives hope to the 2.3 million men over 18 across the country who currently try to deal with the problem by taking a variety of other treatments, such as Viagra (sildenafil).

Vitaros cream is available in a single-use, disposable applicator. A pre-prescribed amount is applied to the tip of the penis and, once absorbed, claims to yield an erection within five to 30 minutes.

The cream, which contains the drug alprostadil, means that men in the UK are the first in the world to have access to this new form of treatment to combat their sexual dysfunction issues.

Vitaros cream must be kept refrigerated and is unsuitable for mail order without specialist packaging to keep the medicine cooled. Read in full

New: Spedra (avanafil) for erectile dysfunction

Packs of Spedra: 50mg, 100mg, 200mg

Spedra (avanafil) is a new fast acting prescription drug for the treatment of erectile dysfunction (ED). It works in a similar way to older well established ED drugs, Viagra/sildenafil, Cialis/tadalafil, and Levitra/vardenafil. These medications are all known as PDE5 inhibitors. They work by increasing the blood flow to the penis at times of sexual stimulation.

Stimulation is required before these tablets will work. If there is no stimulation, tablets remain inactive and active ingredients are eliminated harmlessly from the body over a day or so. Read in full

Erectile dysfunction: Simon’s story

erectile dysfunction cialisAfter losing his Mother, property developer Simon began to suffer with depression and soon after he started to developed an issue with impotency.

Simon’s erectile dysfunction problem continued for almost a year before he was encouraged by his partner Laura to seek help from his GP.

He said: “Laura was extremely supportive and gave me the encouragement to seek some medical help. I’m 43 and it is very important to me that I can have a sexual relationship with her so I went to see my GP.” Read in full