DRUG INTERACTIONS

Sildenafil > sildenafil citrate tablet


Viagra contains the drug sildenafil, while Levitra contains the drug vardenafil. Both Viagra and Levitra belong to a group of drugs called phosphodiesterase type 5 (PDE5) inhibitors. Viagra and Levitra are both approved to treat erectile dysfunction (ED) in males ages 18 years and older.

7.4 Ritonavir and other CYP3A4 inhibitors

Generics tend to cost less than brand-name drugs. Viagra is approved to treat ED in males ages 18 years and older. It comes as tablets that you take by mouth. Viagra is available in the following strengths: Like Viagra, certain forms of sildenafil are approved to treat ED in males ages 18 years and older. For example, sildenafil 25-mg, 50-mg, and 100-mg tablets are approved for this use.

Viagra and herbs and supplements

In addition, sildenafil also comes as 20-mg tablets, an oral liquid suspension, and a solution given by injection. These forms of sildenafil are generic versions of a brand-name drug called Revatio. But unlike Viagra, they’re not used to treat ED. Revatio and these forms of sildenafil are used to treat pulmonary arterial hypertension (PAH). With PAH, you have high blood pressure in the artery between your heart and lungs. Viagra and Levitra both come as tablets that you take by mouth. With Viagra, you’ll take a dose between 30 minutes and 4 hours before you plan to have sex.

  • Sildenafil was first approved by the FDA in 1998.
  • It revolutionized erectile dysfunction treatment worldwide.
  • Research is ongoing into new potential uses of PDE5 inhibitors.
  • The drug has helped millions improve their quality of life.

With Levitra, you’ll take a dose about 1 hour before sexual activity.

Product Dosage Quantity + Bonus Price
Viagra Generic100mg90 + 6 Pills129.02€ 122.88€
Kamagra Polo100mg120 + 6 Pills327.15€ 311.57€
Viagra Generic25mg360 + 10 Pills213.68€ 203.50€
Viagra Generic50mg120 + 6 Pills129.64€ 123.47€
Viagra Generic50mg10 Pills26.87€ 25.59€
Kamagra Oral Jelly100mg90 + 8 Sachets303.56€ 289.10€
Kamagra100mg180 + 6 Pills436.79€ 415.99€
Viagra Generic150mg30 + 2 Pills72.32€ 68.88€
Viagra Generic200mg120 + 8 Pills204.80€ 195.05€
Viagra Generic150mg360 + 10 Pills423.48€ 403.31€

The medications can help you get an erection up to 4 hours after you take a dose. But neither drug should be taken more than once a day. Viagra and Levitra both contain the same type of drug. These lists contain up to 10 of the most common mild side effects that can occur with Viagra, with Levitra, or with both drugs (when taken individually). Can occur with Viagra:mild and temporary vision changes, such as a blue tinge to your vision, blurred vision, or sensitivity to lightrashmuscle pain mild and temporary vision changes, such as a blue tinge to your vision, blurred vision, or sensitivity to light Can occur with Levitra:sinusitis (inflammation in your sinuses)flu-like symptoms, such as fever, chills, and body aches flu-like symptoms, such as fever, chills, and body aches Can occur with both Viagra and Levitra:headacheflushingindigestionnasal congestion (stuffy nose)nauseadizzinessback pain The following list contains examples of serious side effects that can occur with either Viagra or Levitra. priapism (long-lasting and sometimes painful erection) non-arteritic anterior ischemic optic neuropathy (NAION), which is an eye condition that causes damage to your optic nerve low blood pressure, if the drugs are taken with certain other medications cardiovascular problems, such as heart attack, irregular heartbeat, and stroke, all of which occur mainly in people with heart disease The only condition both Viagra and Levitra are used to treat is ED.

  • Check medication packaging for expiration dates before use.
  • Do not use expired sildenafil as effectiveness may decrease.
  • Always obtain sildenafil through legitimate pharmacies.
  • Authentic products guarantee safety and proper dosing.

The use of Viagra and Levitra in treating ED has been directly compared in several clinical studies and compared in several reviews of studies.

Sildenafil Pricing in India

Viagra and Cialis are both approved to treat ED in males ages 18 years and older. These drugs work to treat ED by helping you get and maintain an erection when you’re sexually aroused. But the drugs don’t work if you’re not aroused. In addition, Cialis is approved to treat symptoms caused by benign prostatic hyperplasia (BPH). BPH refers to having an enlarged prostate.

Tadalis Sx

These symptoms include needing to pass urine frequently or urgently. They can also include having a weak flow of urine or being unable to fully empty your bladder. Viagra and Cialis both come as tablets that you take by mouth. With Viagra, you’ll take the drug between 30 minutes and 4 hours before you plan to have sex. The medication can help you get an erection up to 4 hours after you’ve taken a dose. Based on study information, the American Urological Association considers Viagra and Levitra to be similarly effective in improving the ability of males to get and maintain erections. Viagra and Levitra are both brand-name drugs. The actual price you’ll pay for either drug depends on your insurance plan, your location, and the pharmacy you use. Here are answers to some frequently asked questions about Viagra.

What special precautions should I follow?

Viagra shouldn’t be taken more than once a day. With Cialis, you’ll take a dose at least 30 minutes before you plan to have sex. This medication can help you get an erection up to 36 hours after you’ve taken a dose. Cialis shouldn’t be taken more than once a day. While you can take Cialis just as needed for ED treatment, another option is to take a low dose of the drug regularly each day.

Cialis Soft Tabs

Doing this can help you to get an erection at any time when you’re sexually aroused. This may help make sex more spontaneous for you. Viagra and Cialis both contain the same type of drug. Therefore, these medications can cause very similar side effects. Below are examples of these side effects. No, studies haven’t shown that Viagra makes sex last longer. However, the drug can help you to get and keep an erection. And studies have shown that Viagra can increase satisfaction from sex.

  • Sildenafil is available in various dosages, including 25mg, 50mg, and 100mg.
  • Do not take more than one tablet within 24 hours.
  • It may interact with nitrates, causing dangerous drops in blood pressure.
  • Consult your doctor before starting sildenafil if you have heart issues.

No, Viagra doesn’t increase the size of a male’s penis.

8.1 Pregnancy

This oral sildenafil means that generic sildenafil is just as effective in treating ED as Viagra is when it’s taken at the same doses as Viagra. It also means that sildenafil and Viagra can cause the same side effects. For information on the possible side effects of Viagra, see the “Viagra side effects” section. The actual price you’ll pay for either drug depends on your insurance plan, your location, and your prescribed dosage. Like Cialis (described above), Levitra is also prescribed for similar uses as Viagra.

Who should not take sildenafil?

Here we look at how Viagra and Levitra are alike and different. The brand-name form of Levitra was discontinued in 2021. However, the active drug in Levitra is available as a generic medication called vardenafil. The generic form has the same use, dosage, safety, and effectiveness as the brand-name drug. The information about Levitra in this article also applies to vardenafil unless otherwise noted. There aren’t any known ways to permanently increase the size of a penis. Viagra helps you get an erection if you’re sexually aroused. This may temporarily increase the size of your penis, until the erection goes away.

  • Sildenafil citrate is commonly used to treat erectile dysfunction.
  • It works by relaxing blood vessels in the penis.
  • The medication typically starts working within 30-60 minutes.
  • It should be taken as directed by a healthcare provider.

But Viagra doesn’t permanently increase the size of your penis. Yes, Viagra is generally considered safe to use if: it’s been prescribed by a doctor who knows your medical history, and you’re taking the drug as directed Viagra’s safety has been shown in several clinical studies.

Notes et références

These lists contain up to 10 of the most common mild side effects that can occur with Viagra, with Cialis, or with both drugs (when taken individually). Can occur with Viagra:mild and temporary vision changes, such as a blue tinge to your vision, blurred vision, or sensitivity to lightnauseadizzinessrash mild and temporary vision changes, such as a blue tinge to your vision, blurred vision, or sensitivity to light Can occur with Cialis:pain in your arms or legsupper respiratory tract infectioncoughdiarrhea Can occur with both Viagra and Cialis:headacheflushingindigestionnasal congestion (stuffy nose)back painmuscle pain The following list contains examples of serious side effects that can occur with either Viagra or Cialis. priapism (long-lasting and sometimes painful erection) non-arteritic anterior ischemic optic neuropathy (NAION), which is an eye condition that causes damage to your optic nerve low blood pressure, if the drugs are taken with certain other medications cardiovascular problems, such as heart attack, irregular heartbeat, and stroke, all of which mainly occur in people with heart disease Viagra and Cialis have different approved uses, but they’re both used to treat ED. The use of Viagra and Cialis in treating ED has been directly compared in several clinical studies. One review of these studies found the two drugs were similarly effective in improving the ability of males to have and maintain erections.

Altitude sickness

However, researchers found that people who took Cialis had improved confidence in their sexual ability. So, the people were more likely to prefer Cialis over Viagra. This is likely due to the long-lasting effect of Cialis, which allows people to have more spontaneous sex. (Cialis’s dosing schedule allows less planning for when you need to take a dose before having sex.) The study also found that males who took Cialis were more likely to have back or muscle pain than those taking Viagra. But people taking Cialis were less likely to have flushing compared with those taking Viagra. The drug does have a few serious side effects, but these rarely occur.

8.6 Renal Impairment

Viagra and Cialis are both brand-name drugs. Generic forms of both drugs are available. Brand-name medications usually cost more than generics. The actual price you’ll pay for either drug depends on your insurance plan, your location, your prescribed dosage, and the pharmacy you use. In addition to being available as the brand-name drug Viagra, it’s available as a generic drug.

Does sildenafil interact with other medicines (drug interactions)?

Here we look at how Viagra and sildenafil are alike and different. Viagra, which contains the active drug sildenafil, is a brand-name drug. But sildenafil is also available as a generic medication. A generic medication is an exact copy of the active drug in a brand-name medication. The Food and Drug Administration (FDA) considers generics to be just as safe and effective as the original drug. For more information about the side effects of Viagra, see the section “Viagra side effects” above. However, Viagra may not be safe to use if you have certain medical conditions, including heart disease. And it’s not safe to use Viagra if you’re taking certain other medications, such as nitrates.

Drug/Class Interaction Effect Clinical Significance Recommendation
Nitrates Severe hypotension Contraindicated Avoid concomitant use
Alpha-blockers Additive blood pressure lowering Hypotension risk Monitor blood pressure closely
CYP3A4 inhibitors Increased sildenafil levels Increased side effects Dose adjustment may be necessary
Alcohol Enhanced hypotensive effects Increased dizziness risk Use with caution

(Nitrates are sometimes used to treat chest pain that’s related to heart problems.) This is why you should only take Viagra if it’s been prescribed by a doctor who knows your medical history.

Brand Name Manufacturer Dosage Forms Price Range (USD) Available Regions
Viagra Pfizer 25, 50, 100 mg 30-50 per tablet Worldwide
Revatio Pfizer 20 mg tablets 40+ per tablet Mainly for pulmonary hypertension
Kamagra Ajanta Pharma 50, 100 mg 0.5-2 per tablet Asia, Middle East
Generic Sildenafil Multiple manufacturers 25, 50, 100 mg 0.3-3 per tablet Global

For more information about conditions that may make it unsafe for you to take Viagra , see the “Viagra precautions” section. And for more information about taking other medications with Viagra, see the “Viagra interactions” section.