Cialis and vardenafil both contain medications used to treat ED.

Patient Group	Recommended Dosage	Timing	Comments
Erectile Dysfunction Patients	20 mg as needed	30 minutes before activity	Do not exceed once per day
Men on other medications	Consult doctor	Varies	Watch for drug interactions
Elderly Men	20 mg or lower	As directed	Adjust based on tolerability
Patients with liver issues	Lower dose advisable	Consult physician	Risk of accumulation

These lists contain up to 10 of the most common mild side effects that can occur with Cialis, with vardenafil, or with each drug (when taken individually).

12.3 Pharmacokinetics

Here’s a comparison of how Cialis and vardenafil are alike and different. Note: Levitra, the brand-name version of the generic drug vardenafil, is discontinued and no longer available. Vardenafil is a generic drug, which is an exact copy of the active ingredient in a brand-name medication (in this case, Levitra, which is discontinued). Both Cialis and vardenafil belong to a group of medications called phosphodiesterase 5 (PDE5) inhibitors. The Food and Drug Administration (FDA) has approved Cialis and vardenafil to treat erectile dysfunction (ED) in males. Can occur with Cialis:pain in your arms or legs Can occur with vardenafil:sinus infectionflu symptoms, such as fever and cold sweatskidney problems, such as an increased level of creatine kinase (a measure of kidney function) in your blood flu symptoms, such as fever and cold sweats kidney problems, such as an increased level of creatine kinase (a measure of kidney function) in your blood Can occur with both Cialis and vardenafil:headacheflushingstuffy noseheartburnback painmuscle paindizzinessnausea These lists contain examples of serious side effects that can occur with Cialis, with vardenafil, or with both drugs (when taken individually).

Product	Dosage	Quantity + Bonus	Price
Cialis Generic	2.5mg	360 + 10 Pills	260.03€ 247.65€
Cialis Generic	2.5mg	270 + 10 Pills	199.64€ 190.13€
Cialis Black	80mg	10 Pills	43.27€ 41.21€
Cialis Original	20mg	12 Pills	78.32€ 74.59€
Cialis Soft Tabs	20mg	180 + 8 Pills	353.17€ 336.35€
Cialis Generic	40mg	120 + 8 Pills	206.98€ 197.12€
Cialis Generic	60mg	180 + 10 Pills	313.11€ 298.20€
Cialis Professional	20mg	90 + 2 Pills	241.49€ 229.99€
Cialis Super Active	20mg	30 + 6 Pills	128.09€ 121.99€
Cialis Generic	20mg	20 Pills	54.72€ 52.11€
Cialis Generic	2.5mg	180 + 10 Pills	154.86€ 147.49€
Cialis Generic	20mg	10 Pills	31.49€ 29.99€
Cialis Generic	60mg	90 + 6 Pills	196.67€ 187.30€
Cialis Black	80mg	20 Pills	71.83€ 68.41€
Cialis Super Active	20mg	270 + 30 Pills	661.49€ 629.99€
Cialis Soft Tabs	20mg	90 + 6 Pills	216.71€ 206.39€

Can occur with Cialis:no unique serious side effects Can occur with vardenafil:changes in heart rhythm called long QT syndrome changes in heart rhythm called long QT syndrome Can occur with both Cialis and vardenafil:prolonged erection (an erection that lasts more than 4 hours)allergic reactionloss of visionchanges in hearing, such as trouble hearing or ringing in your earschanges in blood pressure prolonged erection (an erection that lasts more than 4 hours) changes in hearing, such as trouble hearing or ringing in your ears Cialis and vardenafil have different FDA-approved uses, but they’re both used to treat ED.

8.3 Nursing Mothers

If you drink alcohol, it’s important to avoid drinking too much alcohol while you’re taking Cialis. (See the “Cialis and alcohol” section below to learn more.) In addition, be sure to talk with your doctor or pharmacist about any other medications that you’re taking. They’ll be able to determine whether the drugs may interact with Cialis and whether that may lead to an increased risk of side effects. If you have any questions about the best way to avoid specific side effects from Cialis, talk with your doctor. Like Viagra, the drug vardenafil (Levitra) has uses similar to those of Cialis. Studies have found both Cialis and vardenafil to be effective for treating ED.

Psychological aspects: ED can have both physical and psychological causes.
Cialis treats the physical component by improving blood flow.
Success with medication can improve confidence and reduce performance anxiety.
It is often used in conjunction with psychological counseling or sex therapy.
Open communication with one's partner is important for treatment success.
Unrealistic expectations (e.g., automatic erection without stimulation) should be managed.
Medication failure may indicate an underlying psychological issue needing address.
Stress, anxiety, and depression can contribute to ED and affect treatment.
A combined approach (medical and psychological) often yields the best outcomes.
Support groups and educational resources can be beneficial.
The goal is satisfactory sexual experience for both partners.

A generic form of Cialis, called tadalafil, is available.

Country	Average Price	Price Range	Purchase Options
USA	$30	$25 - $40	Pharmacy, Online pharmacies
UK	£25	£20 - £30	Local pharmacy, Online stores
Canada	CAD 40	CAD 35 - CAD 50	Prescription or online sources
Australia	AUD 45	AUD 40 - AUD 55	Pharmacies, online telemedicine

The actual price you’ll pay for either of these drugs depends on your insurance plan, your location, and the pharmacy you use.

Counterfeit Cialis is a significant problem, especially from online sources.
Fake pills may contain incorrect doses, no active ingredient, or harmful substances.
Harmful substances found in counterfeits include printer ink, drywall, and talc.
Only obtain Cialis with a valid prescription from a licensed pharmacy.
Genuine Lilly Cialis 20mg tablets are yellow, almond-shaped, and marked "C 20".
The packaging should have proper branding, lot number, and expiration date.
Be wary of websites offering "generic Cialis" without a prescription.
In the U.S., the FDA has approved only brand Cialis and authorized generics.
"Generic tadalafil" is widely available but should come from a reputable pharmacy.
Pharmacies verified by programs like VIPPS (Verified Internet Pharmacy Practice Sites) are safer.
Reporting suspected counterfeits to the FDA or MHRA helps protect others.

Here’s a look at how the drugs Cialis and Adcirca compare.

4. Bottom Line

* ED is a condition in which you can’t get or keep an erection. Cialis is also FDA-approved to treat the following in males: symptoms of benign prostatic hyperplasia (BPH), a prostate condition that may cause problems with urination Use of the term “male” in this article refers to sex assigned at birth. Both Cialis and vardenafil come as tablets that you swallow. Cialis can be taken canadian online pharmacy generic cialis once a day or as needed for sexual activity. Vardenafil is taken only as needed for sexual activity. Use of the terms “male” and “female” in this article refers to sex assigned at birth.

2. Upsides

Headache is a common side effect that may occur with Cialis. If you have headaches that are bothersome to you while using Cialis, talk with your doctor. They may be able to recommend ways to help ease this side effect. Changes in blood pressure are a possible side effect of taking Cialis. Low blood pressure occurs most often while taking this medication.

When to take

But high blood pressure can occur as well. A decrease in blood pressure may be more likely if you’re taking Cialis along with other medications that can also lower blood pressure. Symptoms of low blood pressure can include: If you have these symptoms while taking Cialis, tell your doctor right away. They’ll help determine what’s causing the low blood pressure and the best way to treat it. Although rare, Cialis may also increase your blood pressure.

Alternatives for ED and BPH

This side effect was reported only in people who took Cialis once a day for erectile dysfunction (ED). If you have any symptoms of high blood pressure, such as headaches or chest pain, tell your doctor right away. They’ll help determine what’s causing the increase in blood pressure and the best way to treat it. Back pain is a common side effect with Cialis. It usually occurs between 12 and 24 hours after taking Cialis. However, the Food and Drug Administration (FDA) has approved the drugs to treat different conditions. Cialis is FDA-approved to treat the following in males: erectile dysfunction (ED), a condition in which you can’t get or keep an erection symptoms of benign prostatic hyperplasia (BPH), a prostate condition that may cause problems with urination Adcirca is approved to treat a type of high blood pressure in your lungs called pulmonary arterial hypertension (PAH).

Society and culture

Usually, back pain goes away within 2 days of taking your dose. While taking Cialis, if you have back pain that’s bothersome to you or doesn’t go away, talk with your doctor. Your doctor may also do more testing to see what’s causing your back pain. Heartburn is a common side effect of Cialis. If you have heartburn that’s bothersome cialis 20 mg 8 tablets to you while taking Cialis, talk with your doctor.

What if I miss a dose?

They may be able to recommend ways to treat this side effect. It’s possible to get a prolonged erection that lasts more than 4 hours while taking Cialis. This side effect can lead to priapism, which is a painful erection lasting longer than 4 hours. It’s considered an emergency because it can cause permanent damage to your penis, such as being unable to have erections at all. If you have an erection that lasts longer than 4 hours while using Cialis, see a doctor or go to the hospital right away.

What should I do if I accidentally use too much tadalafil?

The prolonged erection should be treated as soon as possible so that it doesn’t cause lasting damage. The best way to take Cialis is to use it exactly as your doctor directs, either once a day at the same time each day or only as needed. You should not take any other medications to treat erectile dysfunction (ED) while you’re using Cialis, unless your doctor says that it’s safe. And you should never take Cialis more than once a day. Taking Cialis more often than prescribed or in high doses can increase your risk of side effects. The drug is approved for use in males and females.

Possible Side Effects of Cialis 20 mg Tablets

If you missed your dose yesterday, just skip the missed dose and continue with your once-a-day dosing. To help make sure that you don’t miss a dose, try setting a reminder on your phone. A medication timer may be useful, too. If you’re taking Cialis to treat BPH, this medication may be a long-term treatment. Cialis may also be taken to treat ED long term.

Are you currently using Tadalafil (Cialis, Adcirca, and others)?

But in some cases, your doctor may determine the cause of your ED, such as depression or an illness. In such instances, you may be able to stop taking Cialis after the cause of your ED has been treated. Cialis can cause mild or serious side effects. The following lists contain some of the key side effects that may occur while taking Cialis. These lists don’t include all possible side effects.

Does tadalafil interact with other medicines (drug interactions)?

For more information on the possible side effects of Cialis, talk with your doctor or pharmacist. They can give you tips on how to deal with any side effects that may be concerning or bothersome. Note: The Food and Drug Administration (FDA) tracks side effects of drugs it has approved. If you would like to report to the FDA a side effect you’ve had with Cialis, you can do so through MedWatch. Mild side effects of Cialis can include:* Most of these side effects may go away within a few days or a couple of weeks. PAH is a specific kind of pulmonary hypertension that occurs in the arteries of your lungs.

17.9 Sexually Transmitted Disease

But if they become more severe or don’t go away, talk with your doctor or pharmacist. * This is a partial list of mild side effects from Cialis. To learn about other mild side effects, talk with your doctor or pharmacist, or see Cialis’s prescribing information. Serious side effects from Cialis aren’t common, but they can occur. Call your doctor right away if you have serious side effects.

Professional resources

Call 911 if your symptoms feel life threatening or if you think you’re having buy cheap cialis online a medical emergency. Changes in hearing can be a serious side effect of Cialis. Other serious side effects, explained in more detail below in “Side effect details,” include: prolonged erection (an erection that lasts more than 4 hours) You may wonder how often certain side effects occur with this drug. Here’s some detail on certain side effects this drug may cause. However, you can also see this article for details about the potential side effects of Cialis.

Tadalafil Blocks PDE5

As with most drugs, some people can have an allergic reaction after taking Cialis. Allergic reactions did occur in clinical trials of Cialis, but it wasn’t reported how many people had them. Symptoms of a mild allergic reaction can include: A more severe allergic reaction is rare but possible. This may include skin conditions such as Stevens-Johnson syndrome (a life threatening rash). Symptoms of a severe allergic reaction can include: swelling under your skin, typically in your eyelids, lips, hands, or feet swelling of your tongue, mouth, or throat severe rash, which may cause painful blisters Call your doctor right away if you have a severe allergic reaction to Cialis. Although these medications are very similar, they can’t be swapped.

Parameter	Value	Description	Notes
Absorption Time	30-60 minutes	Time to reach peak plasma concentration	After oral intake
Half-life	17.5 hours	Duration of action	Prolonged effects possible
Peak Plasma Levels	Achieved in 2 hours	Time to maximum concentration	Variable per individual
Bioavailability	~84%	Proportion absorbed into bloodstream	When taken with food

This means that if you’re taking Cialis for ED or symptoms of BPH, you should not take Adcirca instead.

Clinical trials demonstrated the efficacy and safety of tadalafil for ED.
In studies, 20mg on-demand improved erectile function in ~80% of men.
Placebo response rates were typically around 30-35%.
The International Index of Erectile Function (IIEF) is a common assessment tool.
For BPH, tadalafil 5mg daily significantly improved IPSS (symptom score) vs. placebo.
Long-term studies support the safety of daily use for up to 4 years.
Cardiovascular safety profile was established in large, controlled trials.
Studies excluded men with unstable cardiovascular disease or recent cardiac events.
No causal link to melanoma was found in large epidemiological studies.
Post-marketing surveillance continues to monitor long-term safety.
Efficacy is maintained in men with diabetes and after prostate surgery.

And if you’re taking Adcirca for PAH, you should not take Cialis instead. Although the active ingredient is the same in both Cialis and Adcirca, the two drugs have different dosages.