img

Health Centre

Trusted healthcare guides from Dr Felix

Erectile Dysfunction Articles

img

Sildenafil and erectile dysfunction: the facts about treatment

It works by preventing the action of an enzyme found in the body known as phosphodiesterase 5 (PDE-5); it is known as a PDE-5 inhibitor.  Blocking the action of PDE-5 allows the blood vessels of the penis to relax and so widen which in turn enco...

img

Viagra and sildenafil: frequently asked questions

Viagra is an erectile dysfunction medication and Sildenafil citrate is it’s active ingredient. Sildenafil citrate belongs to the group of erectile dysfunction drugs also known as phosphodiesterase 5 inhibitors PDE-5 inhibitors) which also inclu...

img

Viagra, eyesight and retinitis pigmentosa

In order to sustain an erection, Sildenafil (a PDE-5 inhibitor) inhibits PDE-5 but can sometimes also inhibit PDE-6.  When a person has retinitis pigmentosa they have lower levels of PDE-6 than normal and so if the Sildenafil further inhibits it...

img

Top tips to avoid erectile dysfunction

The truth is that erectile dysfunction is a very common condition.  As a result of it being a taboo subject to many men, estimates of the incidence of ED are just that - estimates, but according to which study or article you read, the number of ...

img

Why does smoking cause erectile dysfunction in young males?

Erectile dysfunction which is also known as impotence is defined as being when a man cannot achieve or maintain an erection long enough to have satisfactory sexual intercourse.  It is a very common condition.  Whilst it is accepted that the...

img

Viagra and skin cancer

Viagra was the first medication produced to treat erectile dysfunction and first appeared in our pharmacies in 1998.  It was hailed as the ‘wonder drug’ for men who suffered from erectile dysfunction and it has continued to help men ...

img

Viagra could one day treat heart disease

Viagra type drugs (phosphodiesterase 5 inhibitors) were initially developed as a form of treatment for heart disease, in particular for angina or chest pain caused by reduced flow to the heart and hypertension.

img

Exercise can help treat erectile dysfunction

Erectile dysfunction can be defined as the inability to achieve or maintain a penile erection long enough and of sufficient quality to have satisfactory sexual intercourse.