Viagra is the brand name for the drug sildenafil, Cialis is the brand name for tadalafil, Levitra is the brand name for vardenafil, and Stendra is the brand name for avanafil.

How does Cialis treat erectile dysfunction?

ED happens when there is not enough blood flow to the penis. This can be a result of a medical problem, medications, or emotional problems. Your healthcare provider can help determine the cause and whether medication might be right for you.

Much like Viagra, Cialis relaxes the smooth muscles and arteries inside the penis. At the same time, it also increases blood flow to the penis. When aroused, this combination of relaxation and increased blood flow allows the penis to fill with blood, which results in an erection. It’s important to remember that Cialis only works if you are sexually aroused.

If you’re using Cialis for the first time, here are a couple things to know up front.

How quickly does Cialis work?

First, Cialis works relatively quickly but not as fast as Viagra. It can take 1 to 2 hours for the full effects of Cialis to kick in, though it only takes about an hour for Viagra to work fully.

Studies show the drug is absorbed quickly, and this is not affected by the timing of meals.

How long does Cialis last?

On the other hand, the effects of Cialis last noticeably longer than the effects of Viagra, normally up to 36 hours. That’s a full 1.5 days!

Don’t be alarmed, though: That doesn’t mean you’ll have an erection for 1.5 days straight. That would be an emergency, which we’ll talk about soon. But you may be able to achieve an erection with the help of Cialis throughout the 36-hour time period. This is one of the reasons some men prefer Cialis: It allows for more spontaneous sexual activity.

If your erection lasts longer than 4 hours, even if it’s not painful, consider it a medical emergency. Known as priapism, this condition can cause permanent damage to the tissue that allows you to become erect. People who are more likely to have a prolonged erection include those with:

• Sickle cell anemia

• Multiple myeloma

• Leukemia

• Some penile deformities

How should I take Cialis?

Here are a few tips for taking Cialis safely and effectively:

1) Follow safe, recommended doses.

If you’d like to take Cialis for ED, you’ve got two options: You can take one of the higher-dose tablets on an as-needed basis (only when you want to have sex), or you can take a smaller-dose tablet every day.

A 10 mg tablet is usually recommended for as-needed use, though some men might find that a lower (5 mg) or higher (20 mg) dose works better.

According to studies, there is no difference in safety or efficacy between these two options.

2) You can make Cialis work faster.

If you take Cialis as needed, be sure to give yourself plenty of time (since it takes up to 1 to 2 hours to kick in). Otherwise, you can’t speed it up after you’ve taken it.

If that’s not working for you, you could consider taking a lower-dose tablet every day. This might be better if you prefer to be more spontaneous. If so, be sure to take it at the same time every day.

No matter which way you decide to take it, don’t take more than 1 dose per day.

3) Watch out for interactions with other medications.

ED medications combined with medications for high blood pressure can cause dangerously low blood pressure. Never take Cialis if you take nitroglycerin or another nitrate medication for angina or blood pressure. These include:

• Nitroglycerin sprays, tablets, or patches

• Isosorbide mononitrate (Imdur, Ismo, Monoket)

• Isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate)

Taking certain medications or supplements can cause your body to eliminate Cialis from your system faster, such as:

• Phenytoin

• Fosphenytoin

• Carbamazepine

• Rifampin

• Supplements like St. John’s Wort

If you are taking these medications, it’s important to continue taking them as prescribed, but taking them separately from Cialis may be helpful.

4) Know the potential side effects.

Aside from a prolonged erection, which is an emergency, possible side effects of Cialis include:

• Flushing

• Headache

• Nasal congestion

• Heartburn

• Back pain

• Muscle pain

Additionally, patients taking Cialis daily may also experience:

• Sore throat

• Respiratory infections

• Cough

• Diarrhea

• UTIs

• Acid reflux

• Abdominal pain

You might wonder how long you can safely use Cialis. Right now, there isn’t a maximum period of time for safely taking the medication. But as the years pass, you may begin taking other medications, such as blood pressure or antifungal medications that could be dangerous if combined with Cialis, Viagra, and similar ED drugs. Always be sure any healthcare provider you see knows that you take Cialis so that your medications can be adjusted safely.

The drugs all work in a similar way.

They are all PDE5 inhibitors. This means they help to relax the muscles and increase blood flow to the body.

This makes it easier for blood to get into the penis, and it allows people with erectile dysfunction (ED) to experience a lasting erection during sexual activity.  The drugs act relatively quickly. Manufacturers of PDE5 inhibitors recommend taking the pill at least 30 minutes to 1 hour before sexual stimulation, but the timing depends on the drug.

Cialis has a longer duration of action. Take one Cialis pill, and a man gains erection assistance for 36 – 72 hours. Viagra and Levitra last for about four hours (though recent studies suggest some benefit for up to about 10 hours).  But even granting Viagra extended benefit, Cialis still works much longer.

In eight published studies, researchers have asked couples to try both Viagra and Cialis. Participants used each drug for two to six months. By the end of all eight trials, the couples preferred Cialis, typically by ratios of more than two-to-one. The main reason: Its longer duration of action offers greater freedom from sexual time pressure.

Cialis is the only drug of the four that has approval for use by people with benign prostatic hyperplasia (BPH) or enlarged prostate. People with both ED and BPH should consider Cialis as their treatment option. Cialis also helps to improve urine flow.

A person can take Cialis every day to keep the body ready for sexual stimulation at any time. This allows for some sexual freedom that may be missing with the other options.

Viagra or Levitra may be better for people who do not engage regularly in sexual activity and would rather take one pill each time they plan on having sex.

How long the effect of each drug lasts is one of the key differences between them:

• Viagra is a drug that people use only when they need it. A person takes the drug 30 minutes to 1 hour before sexual activity, and the effects typically last for 3-5 hours.
• Levitra may start working faster than Viagra, but it lasts for about the same amount of time.
• The effect of a similar dose of Cialis may last up to 36 hours. For this reason, people looking for a long-lasting drug may choose Cialis.
• Depending on the dose, Stendra will be effective after 15–30 minutes, and research shows it is effective for up to 6 hours.

Interactions and warnings

Cialis may have some more serious side effects. People should not use it with guanylate cyclase stimulators or blood pressure medications, as this combination can trigger an unsafe dip in blood pressure.

A person who is taking Cialis and has prostate problems should avoid prescription alpha-blockers, as Cialis serves the same function. It will be like an additional dose.

People should also avoid certain antifungal medications and antibiotics when taking Cialis.

Anybody who is considering taking medications such as Cialis for ED should always involve their doctor in the decision.

The doctor may ask if the person has a history of any of the following:

• • • heart problems
    • stroke
    • liver or kidney problems
    • stomach ulcers
    • abnormal penis shape
    • blood cell problems like sickle cell anemia

When you want to buy Cialis Candy online, please complete the form honestly. Our online doctors will review your health condition and write you a prescription according to your health conditions. The law requires you to complete the form honestly.

The FDA has warned about sudden hearing loss experienced by people using tadalafil and similar products.

In 2016, the FDA announced that they were “evaluating the need for regulatory action” following indications that using Cialis and similar drugs might increase the risk of melanoma skin cancer.

However, some researchers have questioned how serious the risk is.

What is Cialis?

Another brand of tadalafil is Adcirca, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women. Do not take Cialis while also taking Adcirca, unless your doctor tells you to.

How Cialis works

Another substance, PDE5, destroys cGMP. When this occurs, the blood vessels return to their normal size, and the erection ends. Tadalafil stops PDE5 from destroying cGMP. This causes the erection to last for longer. The muscles of the arteries in the walls of the lungs also contain PDE5, which is why the same drug can also help with pulmonary hypertension treatment.

Important information

Do not take Cialis if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as “poppers”. Taking tadalafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.

Some medicines can cause unwanted or dangerous effects when used with Cialis. Tell your doctor about all your current medicines, especially riociguat (Adempas).

Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis.

Get medical help at once if you have nausea, chest pain, or dizziness during sex.

Stop using Cialis and get emergency medical help if you have sudden vision loss.

Before taking this medicine

You should not take Cialis if you are allergic to tadalafil.

Taking Cialis with certain other medicines can cause a sudden and serious decrease in blood pressure.Do not take this medicine if you also use:

• riociguat (to treat pulmonary arterial hypertension); or
• a nitrate drug (for chest pain or heart problems) such as nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, or recreational drugs such as amyl nitrate or nitrite “poppers”.

Some tadalafil can remain in your bloodstream for 2 or more days after each dose you take (longer if you have liver or kidney disease). Avoid nitrate use during this time.

To make sure this Cialis is safe for you, tell your doctor if you have ever had:

• • • heart disease or heart rhythm problems;
    • a heart attack or stroke;
    • angina (chest pain), high or low blood pressure;
    • pulmonary hypertension (unless you are taking tadalafil for this);
    • a condition called pulmonary veno-occlusive disease (narrowing of the veins that carry blood from the lungs to the heart);
    • liver or kidney disease (or if you are on dialysis);
    • vision loss, or retinitis pigmentosa (an inherited condition of the eye);
    • a bleeding disorder;
    • a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia;
    • a physical deformity of the penis (such as Peyronie’s disease), or an erection lasting longer than 4 hours;
    • a stomach ulcer; or
    • health problems that make sexual activity unsafe.

Sudden vision loss has occurred in a small number of people taking medicines like tadalafil (Viagra or others). Most of these people already had certain eye problems or had high cholesterol, diabetes, coronary artery disease, a history of smoking, or were over 50 years old). It is not clear whether the medicine was the actual cause of vision loss.

Cialis is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It is not known whether tadalafil passes into breast milk or if it could affect the nursing baby. Tell your doctor if you are breast-feeding.

Cialis is not approved for use by anyone younger than 18 years old.

What form(s) does Cialis come in?

2.5 mg (for once-a-day use) Each yellow-orange, almond-shaped, film-coated tablet, marked on one side with “C2½”, contains 2.5 mg of tadalafil. Nonmedicinal ingredients: croscarmellose sodium, hydroxypropyl cellulose, hydroxypropyl methylcellulose, iron oxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, talc, titanium dioxide, and triacetin.

5 mg (for once-a-day use) Each yellow, almond-shaped, film-coated tablet, marked on one side with “C5”, contains 5 mg of tadalafil. Nonmedicinal ingredients: croscarmellose sodium, hydroxypropyl cellulose, hydroxypropyl methylcellulose, iron oxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, talc, titanium dioxide, and triacetin.

10 mg (for “on-demand” dosing) Each yellow, almond-shaped, film-coated tablet, marked on one side with “C10”, contains 10 mg of tadalafil. Nonmedicinal ingredients: croscarmellose sodium, hydroxypropyl cellulose, hydroxypropyl methylcellulose, iron oxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, talc, titanium dioxide, and triacetin.

20 mg (for “on-demand” dosing) Each yellow, almond-shaped, film-coated tablet, marked on one side with “C20”, contains 20 mg of tadalafil. Nonmedicinal ingredients: croscarmellose sodium, hydroxypropyl cellulose, hydroxypropyl methylcellulose, iron oxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, talc, titanium dioxide, and triacetin.

Cialis is usually taken only once per day.  Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Cialis can be taken with or without food. Do not break or split a tablet. Swallow it whole.

For erectile dysfunction, take Cialis just before sexual activity but not more than once per day.

Cialis can help achieve an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Follow your doctor’s instructions.

The maximum recommended dose of Cialis is 20mg daily.  Increasing the dose to 40mg might just increase the intensity of side effects and may not actually deal with the erectile dysfunction problem.

If 20mg dose is not working you might want to look for an another medicine. Sometimes even a medicine in the same class works better for an individual than another in the same class.

Do not take Cialis for erectile dysfunction if you are taking Adcirca for pulmonary arterial hypertension.

Store at room temperature away from moisture and heat.

Cialis comes in yellow, film-coated and almond-shaped tablets in 5, 10 and 20 milligram (mg) doses.

Patients with erectile dysfunction can take Cialis as needed, but it should not be taken more frequently than once every 24 hours.

For the medication to work, a man needs to be sexually aroused. The drug does not provide an erection without sexual stimulation.

A first dose is 10 milligrams (mg) at least 30 minutes before sexual activity. Dosage can then be adjusted depending on how the individual responds. The maximum is 20 mg as a single dose.

The patient should take no more than one dose in 24 hours, but a daily dose of 10 mg to 20 mg is not recommended. This is because a portion of the drug remains in the system for at least 24 hours.

Patients who expect to be sexually active at least twice a week can take a daily dose of 5 mg, and this may be reduced to 2.5 mg once daily, depending on the individual reaction.

What happens if I miss a dose?

As Cialis is used as needed, you are not likely to be on a dosing schedule.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking Cialis?

Drinking alcohol with this medicine can cause side effects.

Grapefruit and grapefruit juice may interact with tadalafil and lead to unwanted side effects. Avoid the use of grapefruit products while taking this medicine.

Cialis side effects

Get emergency medical help if you have signs of an allergic reaction to Cialis: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop and get medical help at once if you have nausea, chest pain, or dizziness during sex. You could be having a life-threatening side effect.

Stop using this medicine and call your doctor at once if you have:

• a light-headed feeling, like you might pass out;
• an erection is painful or lasts longer than 4 hours (prolonged erection can damage the penis);
• vision changes or sudden vision loss;
• ringing in your ears or sudden hearing loss; or
• heart attack symptoms – chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating.

Common Cialis side effects may include:

• headache;
• flushing (warmth, redness, or tingly feeling);
• nausea, upset stomach;
• stuffy nose; or
• muscle pain, back pain, pain in your arms or legs.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Tell your doctor about all your current medicines and any you start or stop using, especially:

• medicines to treat erectile dysfunction or pulmonary arterial hypertension;
• an antibiotic or antifungal medicine;
• antiviral medicine to treat hepatitis C or HIV/AIDS;
• drugs to treat high blood pressure or a prostate disorder; or
• seizure medicine.

This list is not complete. Other drugs may interact with tadalafil, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Cialis only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Copyright 1996-2019 Cerner Multum, Inc. Version: 11.01.

 What’s the difference between Cialis and Viagra ?

Cialis is the brand name for tadalafil and Viagra is the brand name for sildenafil.  Both belong to a class of medicines known as phosphodiesterase type 5 (PDE5) inhibitors.  PDE5 inhibitors work only in the presence of sexual stimulation, as they rely on the natural release of nitric oxide (NO), a chemical only released during sexual arousal.

NO in turn activates other substances to relax the smooth muscle inside the penis to allow the inflow of blood and an erection to occur. PDE5 inhibitors enhance the effect of NO.

Cialis and Viagra are both PDE5 inhibitors used for the treatment of erectile dysfunction (ED). Both only work when a man is sexually aroused. Cialis lasts for around 36 hours compared with only 4 to 5 hours for Viagra.

Food does not affect the activity of Cialis, whereas food may decrease the effectiveness of Viagra. Cialis can be used once daily, at a smaller dosage, and is also effective at treating benign prostatic hyperplasia (BPH).

Dosage of Cialis may need to be reduced in men with liver or kidney problems and risk of interactions may be higher than with Viagra.