Hi David,
Thank you for taking the time to provide your feedback.
I am sorry to hear that you have not found this medication to be an effective treatment for you on this occasion.
With medication such as Sildenafil, our website recommends to start at 50mg and if this does not work for you, to try a higher dose as some people will find their body reacts well to a lower dose while others will need a higher dose before the medication becomes effective for them.
It can also be the case that there is a degree of trial and error to find both the best dose and the best active ingredient as there is a lot of individual difference in which combination of this type of medication works best for patients.
Given your feedback you may wish to try a higher dose of this medication or a different medication and our support team have contacted you directly to provide further assistance. Our clinical team would also be happy to offer personalised advice if required.