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Sildenafil (Viagra)
About sildenafil
Who can and cannot take it
How and where to get it
How and when to take it
Side effects
Pregnancy, breastfeeding and fertility
Taking sildenafil with other medicines and herbal supplements
Common questions
Related conditions
Ejaculation problems
Erectile dysfunction (impotence)
Priapism (painful erections)
Pulmonary hypertension
Useful resources
Relate (sex therapy): charity
www.relate.org.uk
Sexual Advice Association: charity
sexualadviceassociation.co.uk