Although Cialis and Viagra both make it easier to get and maintain pleasure, there are a few key differences between these two ED medications that may make one a better choice than the other for you if you have difficulty getting and staying hard.
The biggest differences between Viagra and Cialis is the total amount of time each medication works — for Cialis, up to 36 hours, and for Viagra, around four hours. But other nuances about how — and when — these medications should be taken will ultimately be very important when deciding which one is right for you.
Is Cialis stronger than Viagra? Is Viagra stronger than Cialis? Which one should you take?
Below, we’ll guide you though these questions and compare Cialis and Viagra on their effectiveness, their duration of action, potential side effects and more. But let’s quickly cover what they have in common, to set the stage.
How Cialis and Viagra Work
Used by millions of men in the United States alone, phosphodiesterase type 5 inhibitors such as tadalafil (the active ingredient in Cialis) and sildenafil (the active ingredient in Viagra) are two of the most widely used drugs for treating erectile dysfunction (ED), and for good reason.
Cialis and Viagra both work in very similar ways and have similar effects on your arousal.
Cialis and Viagra, as well as their generic equivalents, belong to a class of drugs referred to as PDE5 inhibitors. These medications work by inhibiting the actions of an internal enzyme called phosphodiesterase type 5 (or PDE5, for short).
PDE5’s full role in your vascular system is complicated, but on a simple level, it’s involved in the control of blood flow to your male genitalia.
By inhibiting the actions of PDE5, medications like Cialis and Viagra increase the total amount of blood that can flow to your male genitalia when you’re aroused.
This increase in blood flow can make it easier for you to get pleasure when you feel ready to get aroused
It’s important to understand that Cialis and Viagra aren’t arousal pills. If you’re not already aroused, they won’t do the hard work for you. Instead, they make it easier to get and stay hard when you’re already in the mood for arousal.
What’s the Difference Between Cialis and Viagra?
Generally, there is no major difference in the effectiveness of Viagra vs Cialis. Both tablets can be taken at least 30 minutes to an hour before performing. The difference lies primarily in the effective windows of each medication: Viagra can last up to four hours, while Cialis lasts around 36 hours.
Because both drugs work by affecting the blood vessels that supply your male genitalia, you should be careful if you have a cardiovascular issue, such as high blood pressure, a history of heart disease or if you’ve previously had a heart attack.
We’ve discussed these issues — as well as steps you can take to use Cialis or Viagra as safely as possible — further down the page.
To get a sense of how the medical community views each medication and their different ideal use cases:
Viagra 101
Arguably the most well-known ED medication of all, Viagra contains the active ingredient sildenafil.
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Sildenafil citrate (generic Viagra) is considered an on demand treatment for ED, meaning it’s taken as needed.
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It was developed in the ‘80s and ‘90s as a treatment for angina (a type of chest pain caused by certain heart conditions).
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During testing, the researchers behind sildenafil discovered that although it was effective as an angina treatment, it was more effective at helping men get excited, largely because it increases blood flow to the male genitalia.
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Viagra was approved by the FDA as a treatment for ED in 1998. It’s now sold as brand name Viagra and as generic sildenafil.
It takes around 30 to 60 minutes for a normal dose of Viagra to begin working and provide relief from ED.
Cialis 101
Also a prescription ED medication approved by the FDA, Cialis contains the active ingredient tadalafil.
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Tadalafil or generic Cialis can be taken either on demand or as a daily ED medication.
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It came onto the market a little later than Viagra, first receiving approval as a prescription ED medication in 2003.
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Like sildenafil, it comes as an oral tablet for use before arousal.
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Cialis isn’t solely used to treat ED. It’s also used to treat the symptoms of benign prostatic hyperplasia (BPH), a form of enlarged prostate that’s common in middle-aged and older men.
It can be taken as needed or daily, and is often referred to as the “weekend pill” thanks to its long-lasting effects.
Is Cialis Better than Viagra?
Does Cialis work better than Viagra? It depends who you ask. One of the main reasons people consider Cialis to be “better” than Viagra is that Cialis lasts longer. Cialis can last for up to 36 hours per dose, whereas a single dose of Viagra usually provides relief from ED for around four hours.
Put simply, Cialis works like a weekend pill for ED, hence its nickname, while Viagra is more of an evening pill.
If you like to have bedroom time more than once a day, or if you prefer the idea of taking a single pill for a weekend versus taking medication every night, you’ll probably prefer Cialis over Viagra.
On the other hand, if you’re only interested in short-term relief from ED, such as for a night out, or if you want to limit the amount of time your medication is active in your body (and, therefore, the amount of time you experience potential side effects), Viagra could be a better choice for you.
There are other factors about each medication to consider, so it’s best to talk to your healthcare provider before deciding that a specific medication is going to be best for you based on the time it’s active within your body.
It’s also important to keep in mind that Cialis and Viagra don’t always last for precisely 36 or four hours per dose. You may notice the effects of either medication ending sooner or later based on factors such as your body weight, your eating habits or certain medical conditions.
Viagra vs Cialis: Which Works Faster?
Cialis and Viagra are both fast-acting medications that should produce noticeable improvements in your function within 30 minutes to two hours.
On average, it takes around 30 to 120 minutes for Cialis to start working. Most research suggests that Cialis reaches its peak concentration in your blood after about two hours.
Similarly, Viagra typically starts to work after 30 to 60 minutes.
Regardless of whether you use Cialis or Viagra, a few simple techniques can help you to make sure that your medication works in time for you to get aroused:
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Take your medication around an hour before getting aroused. This way, your medication will be either completely active or close to completely active by the time you and your partner begin the activity.
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Take note of how long it takes before you “feel” your medication. Try to remember how long it takes before you notice improvements in arousal after taking your ED medication. This way, you’ll know how early to take Cialis or Viagra in the future.
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Avoid eating too much food before using ED medication. Some ED medications can take longer to begin working if they’re taken with a large, fatty meal. We’ve discussed the effects of high-fat meals on ED medication in more detail below.
Follow other medical advice to improve your arousal. Making simple, meaningful changes to your daily habits, such as maintaining a healthy weight and eating a healthy diet, can also help to improve your ED and performance in bed.
Our guide to maintaining an arousal naturally shares lifestyle tips that you can use with Viagra or Cialis for improved arousal and better health.
Which is Better: Viagra or Cialis?
Cialis and Viagra are both highly effective as treatments for ED. Both are approved by the FDA, meaning they’ve passed through an extensive process of clinical trials showing that they’re both safe and effective for most men.
Most studies show that more than 80 percent of men with ED who take either medication find it easier to get and stay hard.
For example, in an article published in the journal Clinical Interventions in Aging, experts found that 88 percent of men with ED reported successful arousal after using Cialis, versus approximately 64 percent of men who used a non-therapeutic placebo.
They also found that the men who used Cialis reported higher levels of satisfaction, as well as more successful attempts at intercourse.
A similar study published in the journal BMC Urology also found that 91 percent of men with ED reported improved arousal after using Viagra before performing.
It’s important not to get wrapped up in the minutiae here. Although there are slight differences in these numbers, both Cialis and Viagra are extremely effective at treating ED, and neither medication is “better” than the other.
The real difference is the amount of time each medication works, which is something you’ll want to keep in mind when discussing ED medications with your healthcare provider.
(Related: How to Get Viagra: Do You Need A Prescription?)
Are Cialis or Viagra Affected by Food?
Like other oral medications, Cialis and Viagra are broken down by your stomach acids, allowing them to pass through your liver and into your bloodstream.
Because oral medications need to pass through your digestive tract, taking these medications at the same time as eating certain foods can affect the rate at which they’re absorbed and able to become effective.
Viagra and Cialis can both be taken without any regard to your food intake. However, according to the FDA, taking Viagra with a meal that’s high in fat might slow down its absorption, meaning it could take longer to start working.
This effect doesn’t appear to be very large, meaning you shouldn’t worry too much about what you eat when you’re using Viagra.
However, if you notice that Viagra is a little slow to start working for you, you might want to opt for a lighter meal or just taking it on an empty stomach versus taking it with something like a burger, steak or pizza.
Not only should this help with absorption, but it’s also an easy way to reduce your risk of feeling bloated in the bedroom.
(Related: The Best ED Pills for Men)
Cialis vs Viagra Side Effects
When taken as prescribed under the supervision of a healthcare professional, Cialis and Viagra are both safe and effective medications for most men.
However, like all medications, Cialis and Viagra can both potentially cause adverse effects. Most of these are mild side effects that improve over time, although some side effects related to Cialis or Viagra may be more severe and/or persistent.
Because Cialis and Viagra work in similar ways within your body, they usually cause similar side effects.
You can find the most common side effects of Viagra and Cialis below, along with information on the percentage of men who report these side effects at the minimum and maximum doses:
Common Viagra Side Effects
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Headaches (16 to 28 percent)
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Flushing (10 to 19 percent)
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Upset stomach (three to 17 percent)
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Abnormal vision, including changes in color vision, blurred vision and/or increased sensitivity to light (one to 11 percent)
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Nasal congestion (four to 9 percent)
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Back pain (three to four percent)
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Muscle pain (two to four percent)
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Nausea (two to three percent)
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Dizziness (three to four percent)
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Skin rash (one to three percent)
Common Cialis Side Effects
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Headaches (three to 15 percent)
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Upset stomach (four to ten percent)
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Back pain (three to six percent)
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Muscle pain (one to four percent)
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Nasal congestion (two to three percent)
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Flushing (one to three percent)
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Pain in limbs (one to three percent)
In rare cases, Cialis and Viagra may cause more serious side effects, including temporary loss of vision, sudden loss of hearing or changes in hearing sensitivity and allergic reactions.
In very rare cases, Cialis and Viagra may cause priapism. Priapism is a painful and prolonged arousal that requires immediate care from a medical professional.
If you experience a painful, persistent or uncomfortable arousal after using Viagra, Cialis or any other type of ED medication, it’s important to go to the emergency room immediately.
As we mentioned, most of the time, side effects from ED medications get better over time. But because Cialis has a much longer half-life than Viagra, you may experience Cialis side effects for longer.
If you’re prone to side effects from any type of ED medication, you might benefit from adjusting your dosage.
Make sure to talk to your healthcare provider before making any changes to the way you take Viagra or Cialis, including reducing your dose of either medication.
Our guide to what you can expect from ED medication goes into greater detail about the potential side effects of Cialis, Viagra and similar medications, while our full guide to Viagra (sildenafil) side effects goes into more detail about the potential adverse effects of this medication.
(Related: How Do Premature Ejaculation Pills Work?)
Cialis and Viagra Interactions
Cialis and Viagra can both interact with other medications, including several medications used to treat hypertension (high blood pressure) and other cardiovascular health issues.
When used with nitrates, Cialis and Viagra can produce a sudden drop in blood pressure levels that may cause dizziness, lightheadedness, fainting and serious cardiovascular events, such as heart attack or stroke.
In addition to prescription nitrates such as nitroglycerin, other nitrate/nitrite products that interact with Cialis and Viagra include recreational “poppers”.
Cialis and Viagra can also interact with other medications, including:
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Alpha blockers
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Guanylate cyclase stimulators
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Oral antifungal medications
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Other hypertension medications
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Other ED medications
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HIV protease inhibitors
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Some antibiotics
If you’re prescribed any type of medication, or if you occasionally use recreational drugs, make sure to inform your healthcare provider before using Cialis, Viagra or any other ED medication.
This article originally appeared on Hims and was syndicated by MediaFeed.org.
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