How long until blast off? Comparing Viagra and alternatives.

Dr Andrews

Erectile Dysfunction Treatments

Erectile Dysfunction Treatments

Some men with erectile dysfunction, or ED, find they can return to an active sex life by treating an underlying condition, such as high blood pressure, or with counselling and lifestyle changes. But others find they may need medication to get and keep an erection.

What Erectile Dysfunction Medications Are Available?

All these work by relaxing your muscles and boosting blood flow to your penis, making erections easier to get and maintain. They are:

What’s the Differences in Erectile Dysfunction Drugs?

These medications all work very similarly to each other. However, there are subtle differences in how long they stay effective and how quickly they begin to work.

Levitra takes approximately 25 minutes before it starts to work. Levitra stays in your system & the effects last longer than Viagra, up to 12 hours.

Spedra is the fastest acting of the erectile dysfunction treatments. I can begin working within the first 15 minutes.

Viagra takes around 30 to 40 minutes to become effective and will last you for about 4 hours.

Cialis & Tadalafil lasts much longer. After 30 minutes you should feel the effects and both Cialis & Tadalafil (same product, branded differently) can last up to 36 hours in some cases. Hence the reason it has been nicknamed “the weekend pill”

ED Treatment vs Effect Times

All the Erectile Dysfunction Treatments available through Dr Andrews Online Pharmacy belong to the same family of drugs called PDE5 Inhibitors.


How long does my treatment take to start working?

Viagra & SildenafilCialis & TadalafilLevitraSpedra
30-60 Minutes30 Minutes
25 Minutes*15 Minutes*

*delayed if consumed with food


How long will my treatment last for?

Viagra & SildenafilCialis & TadalafilLevitra Spedra

All the treatments require sexual stimulation – the medicine on its own will not cause an erection. Spedra works in the quickest time and is popular for patients who require spontaneity whilst Tadalafil and Cialis last for the longest time and are referred to as “The Weekend Pill”.

For a full range of options available to help you please see our ED treatment page. Be sure  to check out the fact sheets for all the information on each individual product and if you have any questions feel free to contact us we will be happy to advise.

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