The following information describes dosages that are commonly used or recommended for Cialis.

What’s the pack size?

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 before sex — longer if possible.

Take as part of a healthy lifestyle

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.

Erectile Dysfunction

2008. 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. Be sure to take the dosage your doctor prescribes for you.

Product Dosage Quantity + Bonus Price
Cialis Professional40mg180 + 4 Pills618.23€ 588.79€
Cialis Soft Tabs20mg20 + 2 Pills66.98€ 63.79€
Cialis Soft Tabs20mg120 + 6 Pills248.64€ 236.80€
Cialis Super Active20mg10 Pills55.64€ 52.99€
Cialis Original20mg4 Pills41.99€ 39.99€
Cialis Super Active20mg120 + 16 Pills382.15€ 363.95€
Cialis Professional20mg60 + 2 Pills183.83€ 175.08€
Cialis Professional20mg20 Pills78.33€ 74.60€
Cialis Super Active20mg180 + 20 Pills521.59€ 496.75€
Cialis Generic5mg120 + 6 Pills132.92€ 126.59€
Cialis Black80mg10 Pills43.27€ 41.21€
Cialis Generic40mg90 + 6 Pills171.35€ 163.19€
Cialis Generic5mg60 + 4 Pills86.02€ 81.92€
Cialis Generic2.5mg60 + 4 Pills83.43€ 79.46€
Cialis Generic10mg90 + 6 Pills146.17€ 139.21€
Cialis Professional40mg270 + 6 Pills898.37€ 855.59€

They’ll determine the best dosage to fit your needs.

  • PDE5 inhibitors like Cialis may have protective cardiac effects studied.
  • Theories include improved endothelial function and reduced oxidative stress.
  • These potential benefits are not a reason for prescription without ED/BPH.
  • Never share your prescription medication with another person.
  • A friend's positive experience does not guarantee your safety or results.
  • Dosage is highly individualized based on health and response.
  • Keeping a symptom diary can help your doctor assess effectiveness.
  • Follow-up appointments are crucial to monitor benefits and side effects.
  • Treatment can be discontinued at any time under doctor's guidance.
  • Newer treatments may emerge; stay informed with your physician.

In some cases, doctors may adjust your dosage from those mentioned here.

Adverse Effects

When we present you with stats, data, opinion or a consensus, we’ll tell you 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. 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. Cialis comes as an oral tablet in four strengths: 2.5 milligrams (mg), 5 mg, 10 mg, and 20 mg.

Question Answer Notes
Can I take Cialis daily? Yes, 5 mg is the lowest once-daily dose approved for daily use. Ensures spontaneity
Is it safe for women? No, Cialis is not approved or recommended for women. Limited research
Does food affect absorption? Food, especially high-fat meals, may delay onset. Best taken on an empty stomach or with light meal
Can I drink alcohol? Moderate alcohol consumption is generally safe but may increase side effects. Use in moderation
What should I do if I miss a dose? Take as soon as remembered unless close to the next dose. Do not double doses

Cialis is approved to treat the following conditions: Note: Some people may be prescribed Cialis to treat both ED and BPH. Whichever condition Cialis is used to treat, the recommended maximum dose per day is 20 mg. This is the highest dosage that a doctor may prescribe. If you’re prescribed Cialis for daily use, the typical starting dosage is 2.5 mg taken once per day. If this dosage is not effective for you, your doctor may increase your dosage to 5 mg per day. You do not have to take Cialis at any specific time before sexual activity when it’s prescribed in this way. You can take your dose at any time of day.

Brand names

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.

Serious side effects

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.

Dosage adjustments

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 the best generic cialis a few tries, it should ultimately offer you the results you want. But you should try to take it at the same time every day. This helps ensure there’s enough medication in your body for Cialis to be effective. The typical dosage of Cialis for occasional use in treating ED is 10 mg taken before sexual activity. If you have side effects with the 10-mg dose, your doctor may reduce your dose to 5 mg. If the 10-mg dose doesn’t work for you, they may increase your dose to the maximum recommended dosage of 20 mg per day. When taken for occasional use to treat ED, the effects of Cialis have been reported to last up to 36 hours. Regardless of the prescribed dose, you should not take more than one Cialis tablet per day. For treating BPH, the recommended Cialis dosage is 5 mg taken once per day.

Other uses for this medicine

The maximum recommended dosage for ED or BPH is 20 mg per day. Your doctor may adjust your Cialis dosage based on factors such as other medications you take, whether you experience bothersome side effects, and whether you have kidney or liver problems. Cialis belongs to a drug class called phosphodiesterase-5 (PDE5) inhibitors. It is available in a generic version. This article describes the dosages of Cialis, as well as its available strengths and how to take it. For use as a single medication to treat both ED and BPH, the recommended Cialis dosage is 5 mg taken once per day.

Storing And Handling Cialis

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.

Pregnancy Categories

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 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.

Key takeaways

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. You don’t have to take Cialis at any specific time before sexual activity when it’s prescribed in this way. Doctors recommend using Cialis as a long-term treatment, even if you take it only on occasion to treat ED.

  • The 5 mg tablet is the lowest strength available for daily use.
  • Brand-name Cialis 5 mg is manufactured by Eli Lilly.
  • Patents have expired, allowing multiple generic manufacturers.
  • Generic bioequivalence is rigorously tested by the FDA.
  • Pill imprint "C 5" often identifies brand-name Cialis 5 mg.
  • Different generics may have different shapes, colors, or imprints.
  • Mail-order pharmacies can be a convenient source for refills.
  • Traveling with medication: keep in original labeled container.
  • Temperature extremes can degrade the medication's potency.
  • Dispose of unused medication via drug take-back programs.

If you and your doctor determine that Cialis is safe and effective for you, you’ll likely take it long term.

Storage Condition Recommended Temperature Additional Tips
Room Temperature 20-25°C (68-77°F) Keep away from moisture
Protect from Light Yes Store in a dry, cool place
Keep Out of Reach Yes Keep out of children's reach
Expiry Date Check regularly Do not use expired medication
Packaging Original packaging Prevents contamination

The following are some answers to frequently asked questions about Cialis dosages.

What special precautions should I follow?

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.

Does Cialis increase the size of a man’s penis?

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.

How should I store tadalafil?

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. The maximum recommended dosage of Cialis is 20 mg once per day.

  • A treatment option for men with both ED and BPH (common combo).
  • Potential for improved quality of life and self-esteem.
  • Open communication with your partner about treatment is beneficial.
  • Does not cause infertility; may actually aid in conception efforts.
  • Sperm parameters are not negatively affected by tadalafil.
  • There is no evidence it causes permanent retinal damage.
  • Most side effects are mild to moderate and diminish over time.
  • Back pain is thought to be due to PDE11 inhibition in muscle.
  • Staying well-hydrated may help mitigate muscle-related side effects.
  • Driving and operating machinery are usually safe while taking it.

Taking a higher dose of Cialis than recommended could increase your risk for side effects. These can include serious side effects such as drops in blood pressure or priapism (a painful erection that won’t go away).

What does it do?

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 tadalafil cialis daily (tadalafil) is a brand-name drug used to treat erectile dysfunction (ED) and benign prostatic hyperplasia (BPH). The typical dosage of Cialis depends on the condition it’s being used to treat. And for ED, the dosage depends on whether it’s taken daily or as needed. It’s important not to take more Cialis than the dose your doctor recommends. You should take Cialis exactly as it’s prescribed for you. If you have other questions about Cialis doses, talk with your doctor or pharmacist. Cialis dosages for someone who is age 70 years (and older adults in general) are the same as those for other adults.