Is Low-Dose Daily Cialis/Tadalafil Effective in Treating Erectile Dysfunction/ED?

For this use, the usual dosage is 5 mg per day.

Are There Any Other Benefits?

Always follow the instructions in the leaflet or on the pack and any specific guidance given to you by your doctor. If you’re taking Cialis as needed, remember to give it enough time to work. Results aren’t instant, so aim for no less than 30 minutes before sex — longer if possible. Avoiding mixing Cialis with nitrates, such as isosorbide mononitrate or GTN spray. These cause a drop in blood pressure, which can be dangerous and never take double doses or split doses.

If I take 5 milligrams (mg) of Cialis daily, how long does it take the drug to work?

2004.The efficacy and safety of tadalafil: an update. Tadalafil administered once daily for lower urinary tract symptoms secondary to benign prostatic hyperplasia: A dose finding study. The Journal of Urology, 180(4), 1228-1234 Coward, Robert M., Carson, Culley C. 2008. Tadalafil in the treatment of erectile dysfunction. You should not take any additional doses of Cialis for occasional use before sexual activity. If you have certain kidney problems or liver problems, your doctor may prescribe a lower dosage of Cialis for you. This is because with your condition, the usual dosage may raise your risk of side effects from the drug. Depending on how severe your kidney or liver problems are, your doctor may recommend occasional dosing instead of daily dosing to treat ED. You’ll take Cialis by swallowing it, either once per day or occasionally (as needed before sexual activity). The Cialis tablet should be swallowed whole. You can take it with or without food.

Product	Dosage	Quantity + Bonus	Price
Cialis Generic	5mg	120 + 6 Pills	132.92€ 126.59€	Buy
Cialis Generic	60mg	120 + 8 Pills	240.18€ 228.74€	Buy
Cialis Professional	20mg	10 Pills	48.29€ 45.99€	Buy
Cialis Generic	5mg	10 Pills	29.39€ 27.99€	Buy
Cialis Generic	40mg	360 + 10 Pills	477.87€ 455.11€	Buy
Cialis Super Active	20mg	120 + 16 Pills	382.15€ 363.95€	Buy
Cialis Black	80mg	60 + 4 Pills	150.98€ 143.79€	Buy
Cialis Generic	20mg	20 Pills	54.72€ 52.11€	Buy
Cialis Original	20mg	48 + 4 Pills	224.69€ 213.99€	Buy
Cialis Professional	20mg	30 Pills	104.57€ 99.59€	Buy
Cialis Generic	40mg	60 + 6 Pills	130.98€ 124.74€	Buy
Cialis Black	80mg	270 + 10 Pills	502.88€ 478.93€	Buy
Cialis Generic	40mg	120 + 8 Pills	206.98€ 197.12€	Buy
Cialis Generic	60mg	270 + 10 Pills	443.96€ 422.82€	Buy
Cialis Professional	20mg	20 Pills	78.33€ 74.60€	Buy
Cialis Original	20mg	4 Pills	41.99€ 39.99€	Buy
Cialis Generic	5mg	270 + 10 Pills	205.81€ 196.01€	Buy

With once-daily Cialis, be sure to take it around the same time each day. When you’re taking Cialis once a day, there isn’t a best time to take Cialis. But taking your dose around the same time each day helps to keep a steady level of the drug in your body. For occasional (as needed) use for ED, take one Cialis tablet at least 30 minutes before anticipated sexual activity. In most cases, the ability to have sexual intercourse will be increased for up to 36 hours. If you have questions about taking Cialis, talk with your doctor or pharmacist. Cialis is usually a long-term treatment. If you and your doctor determine that it’s safe and effective for your condition, you’ll likely take it long term once you reach your maintenance dose.

PDE-5 Inhibitors Come With Drawbacks

Your doctor will likely start you on a low dosage of Cialis and adjust it over time to reach the right amount for you. They’ll ultimately prescribe the smallest dosage that provides the desired effect. But be sure to take the dosage your doctor prescribes for you. In some cases, doctors may adjust your dosage from those described here. Cialis is available as an oral tablet that you swallow.

Dosage for benign prostatic hyperplasia (BPH)

Cialis is approved by the Food and Drug Administration (FDA) to treat the following: The prescribed Cialis dosage may vary depending on the condition it’s being used to treat. Notify them if you experience any Cialis side effects that may prevent you from taking your medication. There are two dosage options when Cialis is used to treat ED: dosage for occasional (as needed) use and for daily use. With occasional use, you’ll take Cialis only as needed. You’ll likely take one 10-mg tablet before sexual activity. Optum Perks is owned by RVO Health. By clicking on this link, we may receive a commission. If your doctor prescribes once-daily Cialis for your condition, it’s best to take it around the same time each day.

Country	Prescription requirement	Purchase limits	Online availability
USA	Yes	30 pills/month	Yes
UK	Yes	60 pills/month	Limited
Canada	Yes	30 pills/month	Yes

If you miss a dose, take it as soon as possible.

Schedule Type	Timing	Notes
As-needed	30 minutes before sexual activity	Max frequency: once per day
Daily use	Same dose every 24 hours	For BPH or pulmonary HTN
Adjustment	Consult doctor for dose modification	Based on response and tolerance

However, you should not take more than one dose of Cialis per day. Doing so could raise your risk of side effects, such as low blood pressure or priapism (a painful erection lasting 4 hours or longer). If you need help remembering to take your dose of Cialis on time, try using a medication reminder. This can include setting an alarm or downloading a reminder app on your phone. Do not take more Cialis than your doctor prescribes, as this can lead to harmful effects.

• The decision between daily and on-demand dosing is made with your doctor.
• Daily dosing provides spontaneity, as the medication is always in your system.
• On-demand dosing may be preferable if you have sexual activity less frequently.
• Daily dosing uses a lower amount of medication (5mg) but is taken consistently.
• The on-demand dose (10mg or 20mg) is higher but taken infrequently.
• Your lifestyle and sexual habits will influence this decision.
• The choice can be reevaluated and changed based on your experience.

Call your doctor right away if you think you’ve taken too much Cialis. You can also call 800-222-1222 to reach America’s Poison Centers or use its online resource. But if you have severe symptoms, immediately call 911 (or your local emergency number) or go to the nearest emergency room. The following are answers to some commonly asked questions about Cialis dosage. To get the maximum effect from Cialis, take it exactly as prescribed.

• Erectile dysfunction can be a sign of an underlying cardiovascular condition.
• Successfully treating ED can improve quality of life and self-esteem.
• Open communication with your partner about ED and its treatment is important.
• Cialis does not protect against sexually transmitted infections (STIs).
• The use of condoms is still necessary to prevent the spread of STIs.
• The medication only addresses the physical aspect of achieving an erection.
• A healthy sexual relationship involves both physical and emotional connection.

If you’re using once-daily Cialis for either erectile dysfunction (ED) or benign prostatic hyperplasia (BPH), take your dose around the same time each day. This helps keep a consistent amount of the drug in your body to provide the maximum effect.

Pros and cons of Cialis (tadalafil)

A comparison of the efficacy and tolerability of tadalafil 10 mg and 20 mg in Japanese patients with severe erectile dysfunction. The journal of sexual medicine, 4(3), pp.745–752. This page was medically reviewed by Dr Alexandra Cristina Cowell, Writer & Clinical Content Reviewer on Sep 03, 2025. Next review due on Sep 03, 2028. When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from.

Does insurance cover Cialis?

And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. We couldn't find what you're looking for. Or, if you're looking for something we don't have yet, you can suggest something. All of our reviews are collected from real patients after their treatment has been delivered. We publish reviews collected through independent platforms including Reviews.io and Trustpilot. If you forget to take doses, skip doses, or take doses late, the medication won’t work as well. When prescribed for ED, take one Cialis tablet at least 30 minutes before anticipated sexual activity. If you have other questions about how to get the most from Cialis, talk with your doctor or pharmacist. Studies show that the drug begins to work 30 minutes to 6 hours after you take your first dose.

Proper Use

Depending on how well the 10-mg dose works for your ED, your doctor may adjust your dose. It may be decreased to 5 mg or increased to 20 mg. You’ll continue to take it only as needed before sexual activity. You should not take Cialis more than once per day. You also should not take more than the recommended maximum dosage of Cialis, which is 20 mg per day. But it may take several days for the medication to reach its full effectiveness. If you don’t notice a reduction in your BPH symptoms or ED within a week of daily use, talk with your doctor. They may need to adjust your dosage. The maximum recommended daily dosage of Cialis is 20 mg per day if you take it as needed for ED.

What Does ‘Low-Dose’ Mean?

Taking higher dosages of Cialis than this, such as 40 mg per day, raises your risk of serious side effects. Examples of tadalafil cialis 5 mg these side effects include very low blood pressure and priapism (a painful erection lasting 4 hours or longer). With daily use, you’ll take one dose of Cialis per day. You don’t need to time your dose to be taken before sexual activity. You should take it around the same time each day. If you take Cialis daily, the maximum dosage is 5 mg per day. Taking doses of Cialis over the recommended limit could lead to serious side effects, such as dangerously low blood pressure or priapism (a painful erection lasting 4 hours or longer).

• Cialis 10mg is a popular choice for treating ED due to its long duration.
• Prescription requirement ensures safe use of Cialis 10mg.
• Alcohol consumption can increase side effects when using Cialis 10mg.
• Cialis 10mg is manufactured by Eli Lilly and Company.
• It is important to follow the prescribed dosage for Cialis 10mg.
• Cialis 10mg has a generic version called Tadalafil.
• Use Cialis 10mg only under medical supervision.
• Cialis 10mg is not suitable for individuals with certain eye or kidney issues.
• Do not crush or break Cialis 10mg tablets.
• Regular check-ups are recommended when using Cialis 10mg long-term.

Cialis dosage is not based on your age alone. Instead, your doctor will prescribe the dosage that’s best for your condition. Before prescribing Cialis, your doctor may send you for a blood test to check how well your kidneys and liver are working. This is because they’ll take your kidney and liver health into consideration when determining your dosage.

Cialis prescriptions online: board-certified docs treat ED virtually

Why this page was updated on Sep 19, 2025 Content checked and updated as part of our 3-yearly periodic review, to ensure accuracy and currentness. Cialis is available in tablet form in strengths of 2.5 milligrams (mg), 5 mg, 10 mg, and 20 mg. The dosage varies depending on the condition being treated and whether it’s prescribed for occasional or daily use. For erectile dysfunction, Cialis can be taken occasionally as needed (10 mg, adjusted to 5 mg or 20 mg) or daily (2.5 mg, adjusted to 5 mg). But it should not be taken more than once per day.

Lifestyle matters: better results with both Cialis and Viagra with good health habits

For benign prostatic hyperplasia, the recommended dose of Cialis for once daily use is 5 mg, taken at approximately the same time every day. Cialis (tadalafil) is a prescription drug used to treat erectile dysfunction and symptoms of benign prostatic hyperplasia. (An active ingredient is what makes a medication work.) Cialis belongs to a group of drugs called phosphodiesterase type 5 inhibitors. This article describes the dosages of Cialis, as well as its strengths and how to take it. To learn more about Cialis, including its cost and side effects, see this Cialis overview article. For many people, their kidneys may not work as well as they age.

• Cialis 10mg has been approved by regulatory agencies worldwide.
• Prescription scripts typically specify dosage and frequency.
• Patients should report any adverse reactions promptly.
• Cialis 10mg may interact with antibiotics or antifungal medications.
• Use within the recommended dose to avoid potential complications.
• Cialis 10mg is available in various pharmacy outlets.
• Proper hydration can improve the effectiveness of Cialis 10mg.
• Do not alter the dosage without consulting your doctor.
• Cialis 10mg can be part of a healthy lifestyle approach.
• Read the patient information leaflet carefully before use.

So if you’re an older adult (age 65 years or older), it may take longer for your body to break down and clear Cialis from your system. Older adults’ bodies also be more sensitive in how they react to Cialis, which may increase their risk of side effects. If you’re 70 years old, your doctor will likely start you on a low dosage of Cialis. If it works well for you, you’ll probably continue taking a low dosage. If it doesn’t work well for you or you develop bothersome side effects, your doctor will adjust your dosage.

Get Cialis online: prescriptions available for ED treatment with top doctors

For daily use of Cialis for ED, the usual starting dosage is 2.5 mg per day. If this dosage isn’t effective for you, your doctor may increase your dosage to 5 mg per day. When used for benign prostatic hyperplasia (BPH), the recommended dose of Cialis for once daily use is 5 mg, taken at approximately the same time every day. When Cialis is prescribed along with the drug finasteride for BPH, the recommended Cialis dose for once daily use is 5 mg, taken at approximately the same time every day for up to 26 weeks. If your doctor prescribes Cialis to treat ED along with BPH symptoms, you’ll take Cialis once per day. The goal is to find the lowest dosage that effectively treats your BPH symptoms or ED without causing bothersome side effects.