Adcirca vs. Cialis: Is There a Difference?
If you’ve searched online for information about medications for pulmonary arterial hypertension (PAH) or erectile dysfunction (ED), you’ve likely come across mentions of medications such as Adcirca® and Cialis®.
Adcirca and Cialis are both brand names used to market tadalafil, a PDE5 inhibitor that’s used to treat a variety of conditions.
While Adcirca and Cialis contain the same active ingredient, the two medications are generally prescribed for different purposes.
We’ve provided more information about the differences between Adcirca and Cialis, as well as their benefits, side effects and availability, below.
What Is Cialis?
Cialis is a popular brand name for the medication tadalafil(generic Cialis), a PDE5 inhibitor that’s used to treat erectile dysfunction.
Tadalafil, the active ingredient in Cialis, was approved by the FDA in 2003 as a medication for treating erectile dysfunction. It came onto the market shortly after sildenafil (sold as Viagra®), which was first approved in 1998 by the FDA.
As a PDE5 inhibitor, Cialis works by inhibiting the action of cGMP-specific phosphodiesterase type 5, or PDE5 -- an enzyme that’s found in certain types of smooth muscle tissue.
By inhibiting PDE5, the active ingredient in Cialis can improve blood flow to the erectile tissue that’s inside your penis, making it easier for you to develop and maintain an erection when you feel sexually aroused.
Cialis is a long-lasting medication, particularly compared to other medications for ED. A typical dose of Cialis can produce improvements in erection quality and sexual performance for up to 36 hours.
Although Cialis was originally approved solely to treat ED, in 2011, the FDA also approved it as a once-daily medication for men with benign prostatic hyperplasia (BPH).
Cialis comes in several dosages, ranging from 2.5mg to a maximum dosage of 20mg per tablet. Some forms of Cialis are designed for as-needed use, whereas others are intended for use on a daily basis.
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What Is Adcirca?
Adcirca is another brand name that’s used to market tadalafil. Unlike Cialis, which is marketed as a treatment for erectile dysfunction and benign prostatic hyperplasia, Adcirca is marketed to treat pulmonary arterial hypertension (PAH).
Pulmonary arterial hypertension is a form of high blood pressure that affects the small arteries inside your lungs.
Adcirca treats pulmonary arterial by inhibiting PDE5, which is common in the lungs, particularly in the pulmonary vessel smooth muscles and pulmonary arteries.
By inhibiting the effects of PDE5, medications like Adcirca allow the blood vessels of the lungs to dilate and the arteries to relax, reducing blood pressure.
First approved by the FDA in 2009, one tablet of Adcirca contains 20mg of tadalafil, the same dosage that’s used in the highest-strength Cialis tablet. People with PAH are generally advised to take two tablets (40mg) once per day, with or without food.
Unlike Cialis, which is only intended for use in men, Adcirca is approved for use as a treatment for PAH in men and women.
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Traditional Pill
SildenafilGeneric Viagra®
From £2.36/use
The most commonly prescribed ED treatment, contains the same active ingredient as Viagra® but is 80% more affordable than the brand name.
Traditional Pill
Daily TadalafilDaily Generic Cialis®
From £21/month
A clinically proven treatment for erectile dysfunction that helps men achieve and maintain erections more easily. It gives you the freedom to enjoy spontaneous sex without needing to plan ahead.
Traditional Pill
As-Needed TadalafilGeneric Cialis®
From £2.36/use
The unbranded, more affordable generic form of Cialis® taken as needed. It is clinically proven to help men get and keep harder erections for up to 36 hours.
Traditional Pill
Viagra Connect®
From £5.83/use
The over-the-counter branded version of sildenafil. Viagra Connect® improves blood flow to the penis, helping you achieve and maintain strong and satisfying erections.
Important safety information for Sildenafil, Tadalafil, Tadalafil Daily or Viagra Connect.
Adcirca & Cialis Side Effects
Because Adcirca and Cialis contain the same active ingredient, they have similar effects and side effects. Common side effects of both medications include:
Headache
Indigestion
Muscle pain
Facial flushing
Nausea
Upset stomach
Nasal congestion
Pain that affects the arms, legs or back
Both Adcirca and Cialis can cause dizziness, fainting and other health issues when taken with alcohol. Do not drink excessive amounts of alcohol (for example, four or more alcohol drinks) while using Adcirca or Cialis.
All PDE5 inhibitors, including Adcirca and Cialis, can interact with certain medications used to treat high blood pressure, such as nitrates.
Make sure to inform your healthcare provider of any medication you're taking either prescribed, over-the-counter, or herbal supplements.
Where to Buy Adcirca & Cialis
Adcirca and Cialis are both prescription medications, meaning you’ll need to talk to a healthcare provider before you can purchase and use either drug.
If you’re affected by erectile dysfunction and would like to treat it using Cialis, you can talk to an ED doctor online. We offer Cialis and Tadalafil, following a consultation with a healthcare provider who will determine if a prescription is appropriate.
If you have pulmonary arterial hypertension, you’ll need to discuss Adcirca with your healthcare provider.
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Learn More About Treating Erectile Dysfunction
Cialis is one of several medications used to treat erectile dysfunction. Others include sildenafil (the active ingredient in Viagra®), vardenafil (Levitra®) and more recent medications such as avanafil (sold as Stendra®).
You can find out more about how these medications work in our full guide to the most common ED treatments and drugs.
This article is for informational purposes only and does not constitute medical advice. The information contained herein is not a substitute for and should never be relied upon for professional medical advice. Always talk to your doctor about the risks and benefits of any treatment or medication.