Stimulation increases blood flow

ENJOY SEX AGAIN
Sildenafil
From£1.17 / tablet
This treatment option is subject to a consultation followed by clinical review.
Takes effect in: 1 hour
Lasts up to: 4 hours
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All content on this page has been medically reviewed by: Hassan Thwaini, Clinical Pharmacist and Copywriter, Master of Pharmacy (MPharm) on 30 March, 2026. GPhC Registration: 2221320View profile
Stronger erections, better sex
Sildenafil is an effective treatment for erectile dysfunction. It contains the same active ingredient as branded alternatives.
Sildenafil works by encouraging more blood to flow to the penis, ensuring a strong erection when you need one. It’s effective for 82% of men.1
How it works
Sildenafil: the science
Restricted blood flow inhibits an erection
Medication promotes a firmer erection
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MBBS MRCGP MSC BSSM

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MBChB BSc (Hons) MRCGP

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FAQS
Your questions answered
Knowledge
Sildenafil: what you need to know
References
Guay et al. “Efficacy and Safety of Sildenafil Citrate for Treatment of Erectile Dysfunction in a Population With Associated Organic Risk Factors.” Journal of Andrology (2013).
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