The “weekend pill” is a nickname for tadalafil, a treatment for erectile dysfunction that stays in the body and works for up to 36 hours (1). The name comes from its long duration. If you take it on a Friday evening, you may still experience effects throughout the weekend.
This longer window is what makes tadalafil different, offering more flexibility and spontaneity compared to other erectile dysfunction pills.
In this article:
Why is tadalafil called the weekend pill?
How does the weekend pill work?
How long does the weekend pill last?
What are the benefits of tadalafil over shorter treatments?
Is the weekend pill right for me?
Why is tadalafil called the weekend pill?
Tadalafil is often referred to as the “weekend pill” because of how long it remains active in the body.
Unlike short-acting treatments like sildenafil, tadalafil doesn’t require precise timing. Once it starts working (typically 30 minutes after taking it), it can support erections for up to 36 hours (1). This means that if you take it on a Friday evening, it may improve erectile function into Sunday morning.
Due to its longer-lasting effect, some men find tadalafil to be a more stress-free option as you don’t need to plan sex around taking a tablet. Instead, it allows for a more natural, less time-sensitive approach where intimacy can happen more spontaneously.
It’s worth mentioning that tadalafil doesn’t cause a constant erection during this time. It simply makes it easier for your body to respond when the moment feels right.
How does the weekend pill work?
The weekend pill works by helping increase blood flow to the penis. It belongs to a group of medicines called PDE5 inhibitors, which relax the blood vessels throughout the body and allow more blood to flow where it’s needed — in the case of erectile dysfunction, to the penis (2).
Erections rely on this blood flow, because when sexually stimulated, blood rushes into the penis and is trapped there, causing an erection. When the blood vessels can relax properly, blood flows into the penis more readily when aroused, making it easier to get an erection that’s firm enough for sex.
Because the weekend pill works by supporting your body’s natural response, you need sexual stimulation for it to work (3). It doesn’t cause an erection on its own.
How long does the weekend pill last?
The weekend pill can last for up to 36 hours (1). Other tablets for erectile dysfunction, including sildenafil, avanafil, and vardenafil, last for around 4 hours (1, 4); tadalafil has a much longer duration.
However, this doesn’t mean that the effects feel exactly the same throughout that entire period. It means there is some noticeable effect. Most men notice a window where the medication feels most effective (generally two hours after taking it), followed by a gradual reduction as it leaves the system.
Precisely how long the effects last also varies between people. Factors like metabolism, overall health, dosage, and even alcohol consumption and how recently you ate can all influence how your body processes the medicine.
Even with this variation, tadalafil consistently offers a longer duration than many other options, often chosen for its convenience and flexibility.
What are the benefits of Tadalafil over shorter treatments?
While no ED treatment is better than others, for many men, the main advantage of the weekend pill is flexibility. Because it stays in your system for longer, it can:
Reduce the need to precisely time when to take medication before sex
Allow for more spontaneity and less planning
Creates less pressure around timing sex right
Fit more naturally into your routine
Some people find this helps them feel more relaxed and confident, particularly if planning ahead feels stressful or disruptive. Feeling worried can also make it harder to get an erection, so lowering any anxieties around may further help you get stronger erections.
Again, this doesn’t mean that Tadalafil is “better” than any other ED medication, it varies from person to person which is the right medication for their circumstance and preference. To find what is right for you, you should discuss all possible options with your prescriber.
Is the weekend pill right for me?
The longer duration of the weekend pill makes it a great option for many men. But it doesn’t necessarily mean it’s the best treatment for everyone. Some people prefer a shorter-acting treatment that works for a specific moment, while others value more flexibility.
As with any medicine, how well it works and how it feels can vary from person to person. Finding the right option is often about what fits best alongside your lifestyle, preferences, sexual health needs, and overall health status.
If you’re thinking about using tadalafil, consider completing a confidential online consultation with Oxford Online Pharmacy. Our independent, UK-registered doctors will assess whether or not you’re suitable and recommend a treatment that works for you.
Explore our erectile dysfunction treatments or start your consultation today.
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References
NHS. Common questions about tadalafil [Internet]. nhs.uk. 2022.
NHS. Erectile dysfunction (impotence) [Internet]. nhs.uk. 2019.
NHS. About Tadalafil [Internet]. nhs.uk. 2022.
NHS. About Sildenafil (Viagra) [Internet]. nhs.uk. 2022.