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2008. Tadalafil in the treatment of erectile dysfunction. 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.

7.2 Potential for Other Drugs to Affect CIALIS

Cialis 2.5mg is the lowest dosage offered. Whilst 2.5mg may sound low, daily dosing means that tadalafil is always circulating in your system, allowing for spontaneous sex. When compared, 72% of men preferred Cialis Daily over regular Cialis. Cialis 5mg is used in several ways. If you’re taking Cialis Daily at 2.5mg and you’re not seeing the results you would like, your clinician may prescribe you an increased dose of 5mg.

How do you take 20 mg of Cialis?

Equally, if you’re taking Cialis at the starting dose of 10mg but find you’re suffering too many adverse side effects they may discuss lowering your dose to 5mg. Cialis 5mg is also used in the treatment of Benign Prostatic Hyperplasia (BPH). So, if you’re over 40 years old and have noticed that you’re getting up more often at night to urinate, your urine stream is weaker than it used to be or you get some dribbling after urination, then Cialis daily will help that too. It’s also interesting to note that some of the traditional treatments for BPH, like tamsulosin or finasteride, can actually cause erection problems. If you’re taking BPH treatment, talk to our experts or your usual doctor about Cialis daily as it could be a suitable treatment. Next review due on Sep 03, 2028.

Ingredient Quantity per Pill Function Notes
Tadalafil 20 mg Active pharmaceutical ingredient Main compound
Microcrystalline Cellulose 50 mg Filler Binds ingredients
Magnesium Stearate 2 mg Lubricant Improves manufacturing
Lactose Monohydrate 10 mg Diluents Contains lactose

When we present you with stats, data, opinion or a consensus, we’ll tell you canadian online pharmacy generic cialis where this came from. 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.

  • Works best with a healthy cardiovascular system
  • Regular check-ups for blood pressure and cholesterol
  • Diabetes management improves ED treatment outcomes
  • Hormone imbalances may reduce effectiveness
  • Low testosterone can be addressed separately
  • Psychological factors like anxiety may require therapy
  • Couples counseling can improve relationship dynamics
  • Communication with partner is important
  • Avoid using as a performance enhancer
  • Not a substitute for intimacy or foreplay
  • Use as part of a comprehensive ED management plan
  • Follow up with doctor for ongoing assessment

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Product Dosage Quantity + Bonus Price
Cialis Generic10mg20 Pills48.23€ 45.93€
Cialis Generic20mg10 Pills31.49€ 29.99€
Cialis Generic60mg30 + 2 Pills85.33€ 81.27€
Cialis Professional40mg120 + 4 Pills436.68€ 415.89€
Cialis Generic5mg270 + 10 Pills205.81€ 196.01€
Cialis Soft Tabs20mg20 + 2 Pills66.98€ 63.79€
Cialis Generic60mg20 Pills65.61€ 62.49€
Cialis Generic40mg360 + 10 Pills477.87€ 455.11€
Cialis Professional40mg180 + 4 Pills618.23€ 588.79€
Cialis Generic20mg270 + 10 Pills335.21€ 319.25€
Cialis Black80mg20 Pills71.83€ 68.41€
Cialis Original20mg8 Pills61.70€ 58.76€
Cialis Generic10mg90 + 6 Pills146.17€ 139.21€

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. 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 a popular and effective treatment for erectile dysfunction that contains tadalafil. When taken at least 30 minutes before sex, it helps you achieve and keep a strong erection so you can have a normal, healthy sex life.

Directions for Use

One such side effect, priapism, is an erection that lasts more than 4 hours and requires immediate medical attention. At your consultation, make sure you give your doctor your full medical history. This will help them make the best initial decision about your erectile dysfunction treatment. Once you begin treatment, keep an eye out for any side effects and let your prescriber know if they occur. Whilst it’s important you give your prescribed dose a few tries, it should ultimately offer you the results you want.

Dosage for benign prostatic hyperplasia (BPH)

If this isn’t the case, again, let your clinician know. Getting the best results when you take Cialis is the end goal. 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 daily cialis buy before sex — longer if possible. But Cialis comes in a variety of different dosages. Smaller dosages of Cialis oral tablets, 2.5mg and 5mg, are perfect for daily use. If you have sex on a regular basis, then Cialis daily is a good option for you. Larger dosages of Cialis, on the other hand, such as the 10mg and 20mg oral tablets, are better for those who have sex less frequently (fewer than 2 - 3 times per week). To help you find the right dosage of Cialis for you, we’ve compiled this useful guide. It looks at the recommended dosage per person, how often you should take Cialis for best results, what happens if you take more than one tablet of Cialis, and more. Cialis may help with erectile dysfunction in four different strengths. Daily doses (2.5mg and 5mg) suit those who have sex frequently. Larger doses (10mg and 20mg) last up to 36 hours when needed. Taking Cialis with alcohol may reduce its effectiveness.

  • 20mg dose is effective for most men with ED
  • Success rate of about 80% in clinical trials
  • Works regardless of ED cause (physical or psychological)
  • May take several attempts to find optimal timing
  • Not effective without sexual arousal
  • Can be used in men with spinal cord injuries
  • Helps with ED after prostate surgery
  • May improve confidence and relationship satisfaction
  • Does not increase sexual desire or libido
  • Only treats erectile function, not premature ejaculation
  • Can be combined with other treatments if needed
  • Discuss expectations with doctor for best results

Never take more than one Cialis tablet within the recommended timeframe.

  • Some people may experience vision changes with Cialis 20mg.
  • Seek immediate medical help if sudden vision loss occurs.
  • Most side effects are mild and temporary.

A healthcare professional can help to determine the right dose for you. The smaller dosages of 2.5mg and 5mg are known as the Cialis Once Daily Tablet. These are prescribed to men who are looking to have spontaneous sex and do not wish to plan their intercourse.

Side Effects of Generic Cialis 20 mg Pills

If you want spontaneous sex, Cialis daily is the better option. However, if your ED comes and goes, you don’t want to take a tadalafil daily dose or aren’t sexually active more than two days a week, on-demand Cialis may be best. It’s unlikely you will be prescribed it when you first start treatment. If you’ve tried a 10mg Cialis dosage, you haven’t seen results you hoped for and you didn’t have side effects, your clinician may consider prescribing the 20mg. You might feel the higher the dose the better, but if you get easy, strong erections on 10mg a higher dose isn’t going to beat that.

Tadalafil: the science

It will however increase the risk of side effects. Your clinician will evaluate whether the benefits outweigh the risk of side effects. If you’re prescribed 20mg and find either that you’re experiencing too many side effects or are not seeing the results you want, speak with your clinician. They may suggest another type of ED pill or an alternative treatment. As 20mg is the Cialis max dose there is no “Cialis 30mg” or beyond and you should never take more than one tablet in any 24 hour period. These tablets are taken once a day, every day.

What are the possible side effects or risks of tadalafil?

If your ‘on-demand’ dose doesn’t work well enough, your clinician may increase it to 20mg. And similarly, if your daily dose of 2.5mg isn’t working as well as you’d like, it can then be increased to 5mg. If you experience side effects on Cialis, let your doctor or pharmacist know. They’ll suggest either lowering your dose or recommend an alternative ED treatment. To minimize the risk of side effects avoid grapefruit, drinking too much alcohol, and do not take more than one dose of Cialis per day.

Getting Started Is Easy

If you aren’t seeing the results you want on Cialis Daily 2.5mg, and don’t experience side effects, your prescriber may recommend upping your dose to Cialis 5mg daily. It should be equally as effective at treating ED as Cialis. There is no Cialis 40mg or Tadalafil 40mg available in the US. A tadalafil dosage of 40mg is used to treat pulmonary arterial hypertension, but this is under careful medical supervision. Doses higher than 20mg have a higher risk of side effects and can dangerously affect blood pressure. The 10mg and 20mg dosages of Cialis, on the other hand, are known as “the weekend pill”.

Uses of Cialis Tablet

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. 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. They last for 36 hours and are prescribed to men who have sex less regularly. Regular Cialis is not taken every day. Instead, it is taken as required allowing you to participate in sexual activity at any point during a 36-hour period, hence its nickname “the weekend pill”.

Cialis and Alcohol

Known as the “standard dose,” Cialis 10mg is the initial dose of Cialis prescribed when starting treatment. Tadalafil 10mg is the generic equivalent and will be equally as effective. As it’s the unbranded version, the tadalafil 10mg price will be slightly cheaper. The 10mg dose works for around 71% of men and has a lower risk of side effects than the 20mg dose. If you’re starting treatment with Cialis daily, you’ll normally be prescribed Cialis 2.5mg.

Dosage adjustments

This is the lowest daily dose available. The unbranded, generic version is Tadalafil 2.5mg which once again is usually at a lower price point. But your physician can increase or decrease your dose based on your response to the treatment. This is to keep the risk of side effects low — your doctor will aim for the lowest dose possible to get the job done. (Which is 2.5mg for ‘daily’ use, and 10mg for ‘on-demand’ use. Each dosage of Cialis should be taken at least 30 minutes before sex, but it may take longer to take effect depending on the person. If you need more information on this treatment and how it works, then read our 'what is Cialis?' guide.

16.2 Storage

Different doses of Cialis offer you and your clinician flexibility. If you experience side effects these can be reduced with a lower dose. If you aren’t seeing the results you want, your dose can be increased. It also means that more men are likely to find a medication that helps their ED symptoms but also minimizes the risk of side effects. Cialis 10mg and 20mg will stay active in your system for up to 36 hours.

What are the benefits of taking Cialis?

Meaning once taken you have a 36-hour window where Cialis should make getting an erection easier. It does not mean you’ll have a prolonged erection and if you have an erection for four hours you should seek medical attention. By taking a low dose every day, Cialis daily maintains a constant level of the medication in your system, meaning you’re ready for sex at any time. This is why it’s a good idea to take Cialis daily at the same time every 60 mg generic cialis day so that it’s continuously active in your system. As far as Cialis daily vs on-demand, the answer depends on how you need Cialis to work for you. The correct usage of Cialis depends on the type of Cialis you’re taking and the frequency with which you have sex.

  • Cialis 20mg should not be used with nitrates.
  • Combining these medications can cause dangerous blood pressure drops.
  • Always disclose all medications to your doctor.

The 2.5mg and 5mg dosage tablets of Cialis should be taken once daily at the same time each day, one tablet per day.

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