What Are The Dosages Of Cialis?

Which strength to pick

Cialis 10mg dosage

Key takeaways

  • There are 4 dosages available; 2.5mg, 5mg, 10mg, and 20mg

  • The right dosage depends on whether you go for daily or on demand treatment

  • Sometimes it can help to switch dosage; when you have side effects, or don't get the result you wanted

  • Increasing your dosage should only be done together with a doctor

  • It's tricky to compare Cialis dosages with other erectile dysfunction medications

Contents of this article

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Cialis is an effective treatment method used by men for erectile dysfunction (ED) and contains the active ingredient, tadalafil. Cialis is available in different dosages and some doses can be used daily. 

Your doctor may discuss with you the different doses and will usually begin you on a low dose at first to see how you respond. As with most medications, the effectiveness of Cialis can vary between men.

What are the dosages of Cialis?

There are 4 dosages of Cialis available:

Cialis Daily:

  • 2.5mg – specifically designed for daily use. The daily pill is beneficial for men who want an ED pill but not necessarily take it before sex
  • 5mg – specifically designed for daily use. Usually prescribed to men who think they will have sex at least twice a week

Cialis on demand (as and when you need them):

  • 10mg – 10mg is usually the starting dose for on-demand Cialis. Usually prescribed to men who have sex less than twice a week
  • 20mg – the highest dose of Cialis available. This is prescribed to men who find that the 10mg dose is not sufficient

The most commonly prescribed dosage of Cialis is 10mg – this dose is for use as and when it is needed, unlike the lower dosages which are designed for daily use. The as and when needed dosages (10mg and 20mg) need to be taken around 30 minutes to an hour before you intend to have sex. 

More about daily dosages – the daily use tablets are designed to be taken once a day and allow you to have sex at anytime between doses. So, there is no need to take the medication 30 minutes before you attempt to have sex. The daily dose should allow you to have successful sexual intercourse within around 5 days.

How do you pick the right dosage?

The dosage you require will largely depend on how often you intend to have sex.

Sex up to twice a week – the 10mg and 20mg Cialis doses are designed to be used when needed, so they are ideal if you would usually have sex up to twice a week. These doses of Cialis should be taken 30-60 minutes before you have sex. 

Sex at least twice a week or more – the Cialis Daily tablet is usually given in 5mg doses. Men who anticipate having sex at least twice a week will be prescribed the daily dose. The daily version gets rid of the need to plan and take your ED medication just before you engage in sex. Instead, the daily version allows spontaneous sex and erections. Cialis Daily allows men who have ED to have spontaneous sex. If you take it daily, then you should, after an initial period, be able to spontaneously get an erection and have sex whenever you want to. 

Starting with the standard dosage – when you begin taking Cialis on-demand, your GP will normally start you on the 10mg dosage, especially if you have never taken Cialis before. The 10mg dose is the most commonly prescribed dose and is usually sufficient to treat the symptoms of ED. However, some men find that 10mg does not produce the desired effect and so may move up to 20mg. 

Are any of the dosages right for you? – before being prescribed Cialis for ED you will need a consultation with a doctor to assess your eligibility. They will assess your medical history to ensure Cialis will not interact with any other medications you take including complementary medicines and that Cialis will not affect any existing medical conditions. Your GP may also be able to identify potential causes of your ED and may be able to recommend other treatments or therapies to tackle the underlying causes.

When should you switch dosages?

Switching because of side effects – if you experience side effects on the dose of Cialis, you have been prescribed you should talk to your doctor about switching dosage. Side effects may include:

Common side effects:

  • Headaches
  • Flushing
  • Muscle and back pain
  • Acid reflux and indigestion

Uncommon side effects:

  • Dizziness
  • Stomach ache
  • Palpitations
  • Sweating
  • Nosebleeds
  • Blurred vision
  • Painful eyes
  • Increased heart rate

If you experience side effects consult your doctor for advice. In a medical emergency call 999 and seek medical attention immediately. 

Switching because your Cialis didn't work – you may also consider switching dose if you are not getting the desired effects with the Cialis you are taking. If you are already taking the 10mg dose and you feel it isn’t working for you then you can speak to your doctor about increasing your dose to 20mg. However, 20mg is the maximum dose for Cialis and if this is not working for you, you will not be able to increase it. Instead, it may be better for you to switch to a different ED medication.

Can you increase the dosage of Cialis for better results?

Possibly if a lower dosage didn't work for you – if Cialis does not work on the lower doses (daily 2.5mg or on-demand 10mg), then it may be possible to increase the dose. Your doctor may advise you to increase the daily dose to 10mg or the on-demand dose to 20mg. 

Never take more than the recommended dosage – you should never take more than you have been recommended by a doctor and 20mg is the maximum daily dosage available. You should also never take Cialis more than once a day. This is because taking too much Cialis can cause serious side effects and will not give you a better erection. 

Get better results – there are some steps you can take to help increase the effectiveness of Cialis:

If you take Cialis with a meal, avoid high-fat foods

Make sure you take Cialis around an hour before you intend to have sex:

  • You will not get an instant erection
  • Make sure you are aroused – to get an erection with ED medication you need to be sexually stimulated
  • Take your time

Try to avoid alcohol when taking Cialis:

  • Can increase heart rate
  • Reduce blood pressure
  • Increase likelihood of headaches and dizziness

Avoid grapefruit juice:

  • Can have minor interactions with Cialis
  • Can increase the effects of Cialis

How do Cialis dosages compare to other medications?

They aren't easy to compare – Cialis is not the only ED medication available. However, the dosages between different medications cannot be compared because individual doses don’t reflect the strength of active ingredients. It is the active ingredient in the ED medication which makes it effective e.g. tadalafil in Cialis and sildenafil in Viagra.

Differences between medications – the dosages of Viagra and Cialis differ because of the amount of time each drug lasts in the body and they both contain different active ingredients. For example, Cialis can last in the body for up to 36 hours, whereas Viagra may last up to 6 hours. This is why there is a daily version available. 

No difference in dosage between branded and generic – Cialis and tadalafil have the same dosages available because they have the same active ingredient. Tadalafil is the active ingredient whereas Cialis is the branded version of tadalafil. Therefore, tadalafil and Cialis are the same drug

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