Sildenafil for Erectile Dysfunction

ED can have physical, hormonal or psychological causes - often a combination. The most common physical causes relate to blood flow: high blood pressure, high cholesterol and cardiovascular disease. Diabetes is significant too, with ED rates in diabetic men as high as 75%.

Hormonal causes matter - up to 47% of men with ED also have low testosterone. Psychological factors like stress, anxiety and relationship difficulties also play a role, especially in younger men.

That’s why we offer a [Discount] blood test with every ED plan.

Men with low testosterone often report low mood, irritability, fatigue, anxiety, reduced libido or difficulty achieving an erection. Other common symptoms include brain fog, lack of motivation, low confidence, difficulty losing weight and difficulty gaining muscle.

Blood testing is the only way to know for sure if you have a testosterone deficiency. Our Initial Testosterone Blood Test (a simple finger-prick test) can be taken at home. If the results show that you have low testosterone and you’d like to start testosterone replacement therapy, UK regulations require you to take a second, more comprehensive blood test first to ensure that you can safely start treatment. This one is a venous test which has to be administered by a nurse or phlebotomist.

Sildenafil and tadalafil are both effective in over 80% of men. The key difference:

Tadalafil (daily): One tablet a day. Always ready. Works within 20–30 min, lasts 36 hours. Our recommended option.

Sildenafil (on-demand): Take 30–60 min before sex. Lasts 4–5 hours. Good for less frequent needs.

Our clinicians recommend based on your lifestyle.

Yes. Over a third of men under 30 have experienced ED. In younger men, it’s often linked to stress, performance anxiety, smoking, alcohol or recreational drug use.

ED medication works well regardless of age. No shame in getting help early.

ED medications (PDE5 inhibitors) block an enzyme called phosphodiesterase 5 that restricts blood flow. When you’re aroused, blood flows more freely, making it easier to get and maintain an erection.

They don’t cause spontaneous erections. Arousal is still needed.

Adapted from Manual. Age-specific guidance.

Yes. Sildenafil is the active ingredient in Viagra®. The generic version works identically but costs significantly less.

Both highly effective. Choose daily tadalafil if you want to be ready all the time. Choose sildenafil if you prefer medication only when needed.

Tadalafil lasts longer (36h vs 4–5h) and works faster (20–30 min vs 30–60 min).