
How Long Does Cialis® (Tadalafil) Last?









If you’ve been researching treatment options for erectile dysfunction (ED), chances are you’ve encountered Cialis® and Viagra®. Among the myriad questions surrounding these prescription medications is how they stack up against each other, particularly in terms of duration of effectiveness. So, how long does Cialis last after consumption?
While both medications are well-known, several factors set Cialis apart from the widely recognized Viagra (often referred to as the “little blue pill”). The most prominent distinction is the longevity of action for each medication.
Cialis is the brand-name formulation of the generic drug tadalafil. This active ingredient serves as a prescription remedy for ED (and is also effective for benign prostatic hyperplasia, or an enlarged prostate). Unlike Viagra (and its generic form, sildenafil), which is typically administered a specific duration prior to sexual activity, Cialis offers more flexible options — you can take it as needed or as a daily regimen.
The method of administration, timing of use, and dosage play critical roles in determining how long the effects of this medication will last. We’re here to provide all the pertinent information you need, including details about duration, half-life, onset time, and other essential facts about Cialis.
A key reason Cialis is so effective for a wide range of men is that tadalafil is available in two main treatment formats: an as-needed dose and a lower daily dosage option that can be taken consistently.
Following guidelines from the FDA (U.S. Food and Drug Administration), Cialis can be utilized in one of two primary ways:
Once per day at a dose ranging from 2.5 mg to 5 mg (milligrams)
As needed at a dosage that falls between 5 mg and 20 mg
Generally speaking, tadalafil sets itself apart from other FDA-approved PDE5 inhibitors due to its notably extended efficacy timeframe — in essence, it stays effective for a substantially longer duration.
Comparably, while Viagra can provide relief for a few hours post-dose, a single administration of tadalafil boasts effectiveness for as long as 36 hours.
It’s important to note that while it may not consistently last the entire 36 hours, the possibility should make you cautious to avoid taking this medication more than once in a single day.
After ingesting a Cialis tablet (or opting for one of our ED hard mints that contain tadalafil), users typically begin to feel the effects after an average of two hours. However, some individuals have reported feeling the effects much sooner, sometimes within just 15 to 30 minutes. The time to onset can vary based on the specific dose taken and whether it is consumed on an empty stomach, which might expedite its effectiveness.
How long does tadalafil persist in your system following a single dose? This duration can vary depending on the specific tadalafil dosage you receive.
The average half-life of Cialis (and tadalafil) is about 17.5 hours. The term "half-life" refers to the time it takes for your body to eliminate half of the concentration of the medication from your bloodstream. This figure is slightly under half of that 36-hour duration we discussed earlier.
According to FDA data, the medication reaches maximum concentration in the bloodstream somewhere between 30 minutes to six hours after intake.
After reaching the half-life at approximately 17.5 hours, the concentration of medication in your system will be reduced by half, continuing to diminish until fully eliminated. If you are on a lower dosage, the effects will taper off more quickly.
Some anecdotal reports suggest that Cialis can remain effective for even longer durations, potentially extending up to 72 hours. However, the typical experience for most users tends to be around 24 to 36 hours following a single dose.
As previously noted, varying Cialis dosages yield different durations of effectiveness. For instance, a daily dose continually replenishes the active ingredient in your system, essentially providing an ongoing treatment duration as long as you keep taking it.
This suggests that at a lower daily dosage, the medication doesn’t entirely exit your system, thereby allowing high enough concentrations to facilitate regular erections each day — provided there is sexual stimulation.
What about a tadalafil 20mg dosage — how long does it last? Higher doses, like Cialis 20 mg tablets, may offer prolonged effectiveness. Nevertheless, it’s challenging to determine precisely when the medication will cease to be effective that day because the actual hours of effectiveness can largely vary based on individual responses.
If you have concerns that Cialis might be effective for too extended a period during your workday, you may also be curious about how long Viagra lasts as a possible alternative for ED treatment. The conversation surrounding Cialis versus Viagra is a prevalent one, yet it ultimately hinges on your specific sexual life preferences and needs.
So, how does Cialis compare in duration against other ED medications? Many alternative treatments (including Viagra) are often prescribed for immediate situations. For instance, if a date night is going smoothly, and you’re heading back to your partner's place, you might take a pill to align with those delightful expectations.
Conversely, tadalafil operates on a broader scope when your intimate schedule isn't as predictable. Its extended effectiveness timeframe allows a morning dosage to set the stage for not only spontaneous afternoon encounters but also for late-night intimacy.
That’s why tadalafil is an exceptionally advantageous choice when your sexual life doesn’t follow a strict schedule. Yet, if your partner can be flexible, taking tadalafil as a daily medication is designed to meet and adapt to your needs.
How Long Each ED Medication Lasts
Here are some crucial details to keep in mind when comparing these erectile dysfunction medications:
Cialis is the longest-lasting ED medication. No other medications come close to the duration of Cialis, which boasts an impressive effectiveness of up to 36 hours.
Other options last significantly shorter durations. Treatments like vardenafil, avanafil, and sildenafil (the generics for Levitra®, Stendra®, and Viagra, respectively) offer relief for no longer than 12 hours, with most providing only a few hours of effectiveness.
Viagra typically endures for four to six hours. At maximum, it may provide a window of effectiveness lasting up to 12 hours.
Stendra and Levitra work quickly. Both can begin to take effect within 30 minutes of consumption and generally last around five hours.
Your healthcare provider should be aware of any other health conditions you may have, including angina (chest pain) and heart-related issues, prior to prescribing any of these ED medications.
Remember that Cialis (nor any ED medications) alone will not result in erections. In reality, tadalafil likely wouldn’t be effective unless accompanied by certain stimuli — imagine needing more than just the pill, perhaps even illustrations from vintage Playboy magazines.
Tadalafil and other PDE5 inhibitors simply help your system achieve optimal functioning — stimulation and arousal are still necessary components.
Millions of men experience ED, and while many find success with Cialis, it may not work for all, particularly if your ED is linked to stress, low self-esteem, anxiety regarding performance, or other mental health concerns.
This is why the treatment options for erectile dysfunction include therapy and other supportive mental health services.
A crucial point to remember: If you’re curious about how to maximize the benefits from Cialis, it certainly doesn’t involve taking double doses or exceeding the prescribed number within a 24-hour period. It’s always best to follow the instructions provided by your healthcare provider.
Overdosing or taking the drug too frequently could increase the likelihood of experiencing common side effects associated with Cialis — not to mention there’s the risk of more severe side effects.
PDE5 inhibitors such as tadalafil have additional applications as well. Tadalafil is also used to treat hypertension (high blood pressure), so improper use or overdose might lead to dangerously low blood pressure levels.
If you experience chest pain, back pain, or suspect you may be undergoing a heart attack, seek immediate medical attention without delay.
While many men might contend that there is no such thing as an overly prolonged erection, those individuals should heed the warnings regarding erections lasting longer than four hours, known as priapism. This painful condition can damage the spongy tissue of the corpora cavernosa and potentially result in lasting damage to your penis. Priapism necessitates urgent medical intervention.
As a general rule, it's wise to avoid combining medications with nitrates, alpha-blockers, antifungals, or grapefruit juice, as these can impact both the potency of a Cialis dose and its side effects.
Once again, it is important to inform your healthcare provider of any existing health issues prior to receiving a prescription for this drug.
So, how long does Cialis last? How about generic tadalafil — what’s its duration? The effects can last up to 36 hours, but each individual’s experience will vary.
If you’re reading this, you may be feeling less than satisfied with your recent sexual experiences. But remember, there’s nothing to be ashamed of.
Here’s what to consider:
ED is defined as the inability to achieve or maintain an erection sufficient for satisfactory sexual performance. Medications like Cialis represent just one of the many available treatments to address this issue.
Your medication choice and its frequency of use should be determined based on your personal preferences and lifestyle. Always seek medical advice for the best recommendations, no matter if you’re considering supplements or prescribed medications.
Tadalafil is effective for treating ED, so if you’re dealing with inconsistent, incomplete, or unsatisfactory erections, consult with a healthcare professional about obtaining a tadalafil prescription.
There are alternatives. ED medications such as Stendra, Levitra, and Viagra also provide relief for ED symptoms, but they typically function on an as-required basis.
When utilized correctly, these pharmaceuticals can assist you in overcoming the physical challenges posed by ED, empowering you to approach intimacy with confidence.
Exceeding the recommended dosage will not enhance your erection or increase your penis size. It’s akin to pouring premium gasoline into your car’s tank instead of regular, hoping it’ll magically add cylinders.
If your ED stems from emotional issues, lack of self-esteem, or other underlying matters, effective treatment might necessitate more than just addressing the mechanical aspects. Speak to a therapist or mental health professional if this scenario resonates with your experience.
If you’re ready to take steps in addressing ED, we’re here to help. Our telehealth platform offers affordable ED medications, and you can secure a prescription for Cialis through an online consultation.
5 Sources
- CIALIS (tadalafil) tablets, for oral use . accessdata.fda.gov. (n.d.). https://www.accessdata.fda.gov/drugsatfda_docs/label/2011/021368s20s21lbl.pdf.
- Coward, R. M., & Carson, C. C. (2008). Tadalafil in the treatment of erectile dysfunction. Therapeutics and Clinical Risk Management. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2643112/
- Evans, J. D., & Hill, S. R. (2015). A comparison of the available phosphodiesterase-5 inhibitors in the treatment of erectile dysfunction: a focus on avanafil. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4542406/
- Silberman M, et. al. (2023) Priapism. https://www.ncbi.nlm.nih.gov/books/NBK459178/
- Sooriyamoorthy T, et. al. (2023) Erectile Dysfunction. https://www.ncbi.nlm.nih.gov/books/NBK562253/
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