Is 20mg cialis equal to 100mg viagra?

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Cialis vs Viagra: which is best?
Cialis and Viagra are both medicines used to treat erectile dysfunction . Erectile dysfunction is where a man cannot get or keep an erection long enough to have sex. Erectile dysfunction is also known as impotence.
There are many different causes of erectile dysfunction, including:
psychological reasons, such as stress lifestyle choices, such as smoking or drinking alcohol health conditions, such as heart disease or diabetes physical reasons, such as blood vessel or nerve damage.
There are now a number of different erectile dysfunction treatments available. These treatments have been used successfully by many men to manage erectile dysfunction. Two of the most well known treatments for erectile dysfunction are Cialis and Viagra. Let’s look at some of the differences between Viagra and Cialis to understand a bit more about which one might be best for you.
To request Cialis, Viagra, or another erectile dysfunction treatment, complete our short online medical questionnaire . Our doctors can prescribe treatment within a few hours once they’ve checked this is suitable for you. If you have any questions about erectile dysfunction or which treatment may be right for you, you can privately message our doctors through your account, free of charge.
What is the difference between Cialis and Viagra?
Cialis and Viagra are both phosphodiesterase type 5 (PDE5) inhibitors , but the difference is that they contain different active ingredients . Both Viagra and Cialis work by relaxing the smooth muscle in the blood vessels of the penis, allowing an increase in blood flow. This helps you to create and maintain an erection. Viagra and Cialis are similar in how effective they are in treating erectile dysfunction. But one of the main differences between Cialis and Viagra is how long the effects last . The effects of Cialis can last for up to 36 hours . This is longer than the effects of Viagra, which usually last for 4 to 6 hours .
Side effects.
headache back pain muscle aches arm or leg pain facial flushing nasal congestion indigestion.
The most common side effects of Viagra are:
headache nausea facial flushing hot flushes indigestion colour tinge, blurred vision, or visual disturbance nasal congestion dizziness.
With both Cialis and Viagra, drug interactions can occur if they are taken at the same time as some other medicines. These can occur with some commonly prescribed medicines such as nitrates like amyl nitrite (used to treat angina or chest pain) and alpha blockers (for high blood pressure). You should let your doctor know about any other medicines you are taking, or planning to take, before taking Cialis or Viagra. Your doctor can advise if Cialis or Viagra will be suitable for you.
With both Cialis and Viagra, if you have certain medical conditions the medicines may not be suitable for you. This includes some heart conditions, low blood pressure and if you have recently had a heart attack or stroke. You should speak to your doctor for advice.
Cialis is a prescription only medication . This means you can only buy Cialis with a prescription. Cialis is sometimes also taken to treat an enlarged prostate.
Viagra is available as an over the counter medication at a 50mg dose (Viagra Connect). You will need a prescription to buy Viagra at other doses, such as 25mg or 100mg.
Active ingredients.
Viagra and Cialis contain different active ingredients.
Cialis contains the active ingredient tadalafil . Cialis is available from ZAVA in tablets containing 10mg or 20mg of tadalafil.
Viagra contains the active ingredient sildenafil . Viagra is available from ZAVA in tablets containing 25mg, 50mg or 100mg of sildenafil.
How quickly they start to work.
Cialis and Viagra differ slightly in how quickly they start to work:
With both Cialis and Viagra, you will need to be sexually stimulated for the medicines to have an effect. Cialis and Viagra will not lead to an erection without sexual stimulation.
How long they last.
The effects of Cialis and Viagra last for different lengths of time:
The difference in how long Cialis and Viagra last may affect which is most suitable for you.
Cialis is also available at a lower dose (called Cialis daily). This may be suitable if you want to be able to get an erection at any time and are happy to take a low dose, 2.5mg or 5mg, tablet every day.