Both Viagra and sildenafil work best when taken at least 30 minutes to an hour before sexual activity (and no more than four hours beforehand).

8.7 Hepatic Impairment

While each tablet of generic Revatio is 20mg, when used for ED, you could be prescribed multiple tablets at once, making 40mg, 60mg, 80mg, and 100mg doses possible. Learn more about the difference between Revatio and Viagra on our blog. Sildenafil is also available in the United States as a liquid solution. Your healthcare provider will tell you the specific dosage of brand-name Viagra or generic sildenafil that you should use if you’re prescribed this medication. Since brand-name Viagra tablets and generic sildenafil both contain sildenafil, you can expect identical results from a 25mg-100mg dose of Viagra (the typical doses used for erectile dysfunction) as you can the same dose of generic sildenafil. You can take Viagra or generic sildenafil with or without food, but should avoid taking either with a high-fat meal, as it can make both medications take longer to take effect in your body. If you don’t experience any improvement in your erectile function after using Viagra or generic sildenafil, don’t simply take more of this medication.

Product Dosage Quantity + Bonus Price
Viagra Generic200mg20 Pills61.69€ 58.75€
Viagra Generic100mg20 Pills45.58€ 43.41€
Kamagra Soft Tabs100mg84 + 4 Pills233.05€ 221.95€
Viagra Generic25mg10 Pills25.19€ 23.99€
Viagra Generic25mg270 + 8 Pills184.26€ 175.49€
Kamagra Oral Jelly100mg21 Sachets95.92€ 91.35€
Viagra Generic50mg10 Pills26.87€ 25.59€
Kamagra100mg120 + 6 Pills330.74€ 314.99€
Kamagra Soft Tabs100mg20 Pills79.79€ 75.99€
Kamagra100mg60 + 4 Pills201.34€ 191.75€
Kamagra Oral Jelly100mg63 + 7 Sachets224.18€ 213.50€
Kamagra Oral Jelly100mg30 + 5 Sachets136.20€ 129.71€
Kamagra Soft Tabs100mg32 Pills120.11€ 114.39€
Viagra Generic100mg60 + 4 Pills96.36€ 91.77€
Viagra Generic100mg180 + 8 Pills199.37€ 189.88€
Kamagra100mg32 Pills121.24€ 115.47€
Kamagra Oral Jelly100mg110 + 9 Sachets334.87€ 318.92€

Instead, let your healthcare provider know — they may recommend adjusting your dosage or trying a different ED medication.

Usual Pediatric Dose for Pulmonary Hypertension

Advise patients taking sildenafil tablets not to take VIAGRA or other PDE-5 inhibitors. • Advise patients to seek immediate medical attention for a sudden loss of vision in one or both eyes while taking sildenafil tablets. Such an event may be a sign of NAION. • Advise patients to seek prompt medical attention in the event of sudden decrease or loss of hearing while taking sildenafil tablets. These events may be accompanied by tinnitus and dizziness.

Drug Interactions Table

Trademarks are the property of their respective owners. Fildena Double 200 is a medicine used to treat ED in men. It contains 200mg of the active ingredient Sildenafil, which increases blood flow to that area to help achieve and maintain ED Problems. The recommended dosage is one pill per day, but it is important to consult a doctor before taking it as it is a high dose and may not be suitable for everyone. Overdose can lead to serious side effects and it is important to follow precautions such as avoiding alcohol and driving while taking the medicine. Although sildenafil works similarly to other PDE5 inhibitors like vardenafil (Levitra), the two have different dosages.

  • The onset of action is usually within 30 minutes.
  • Peak effect occurs around 1 hour after ingestion.
  • The duration of action can last up to 4-6 hours.

Vardenafil, for example, uses a lower dose, although not necessarily stronger than Viagra.

Drug Label Information

and looking for a cheaper alternative to Viagra, it’s best to stick with FDA-approved sildenafil. Viagra comes in three dosages: 25mg, 50mg, and 100mg. Sildenafil pills similarly come in 25mg, 50mg, and 100mg tablets. However, sildenafil can also come in 20mg when it is sold as the generic version of Revatio. Revatio is FDA-approved to treat a type of high blood pressure in the lungs (called pulmonary arterial hypertension, or PAH), but it can be prescribed off-label for ED.So, is sildenafil 20mg the same as Viagra 25mg? Since brand-name Viagra and generic sildenafil contain sildenafil and come in the same range of dosages, both medications can cause the same range of side effects.

  • Store sildenafil tablets in a cool, dry place away from moisture.
  • Keep out of reach of children and pets.
  • Expiry date can be checked on the packaging.

We’ve divided the side effects into two groups: common and rare.

Point Explanation Importance
Take on an empty stomach or after light meal Food, especially high-fat meals, delays onset Ensures faster effectiveness
Do not exceed recommended dose Overdose increases side effects and risks Safety
Timing of administration 30-60 minutes before sexual activity Optimal results
Potential side effects Headache, flushing, vision changes Recognize and report unusual effects
Avoid alcohol consumption Can decrease efficacy and increase side effects Safety

We’ve also included a note about serious drug interaction risks that you should seek to avoid and alert your healthcare provider to before taking sildenafil.

Other Comments

It is not recommended for patients with heart, liver, or kidney disorders. Spontaneous sex for less than $2/day If you’ve searched the web for information about ED medication, you’ve no doubt seen Viagra® mentioned alongside a drug called sildenafil. Given how often they’re interchanged, you might be wondering if there are any differences when it comes to sildenafil vs. Viagra. Put simply, Viagra is the FDA-approved brand-name version of sildenafil, a prescription medication for ED.

What happens with ED?

Sildenafil is the main active ingredient in Viagra. Like the store-brand salad dressing made with the same ingredients as its brand-name equivalent, sildenafil is just as good as the “little blue pill,” but cheaper. Keep reading to learn more about the similarities and differences between these drugs, and how to choose the best one for you. Sildenafil citrate (often shortened to “sildenafil”) is the main ingredient in Viagra. After parent company Pfizer’s patent expired, other manufacturers were allowed to manufacture generic Viagra under the name of its active ingredient, sildenafil. Common side effects of Viagra and generic sildenafil include: Changes in your perception of color, such as a visible blue tinge or difficulty telling the difference between the colors blue and green Changes in your perception of color, such as a visible blue tinge or difficulty telling the difference between the colors blue and green Most of these side effects resolve on their own as the medication leaves your body.

7.2 Alpha-blockers

The terms are pretty much interchangeable, the way you might say “Kleenex®” to refer to a tissue. The only real difference between the two medications for ED is how much they cost. Viagra® is a well-known and widely used medication for treating erectile dysfunction (ED), one of the most common sexual dysfunctions in the world. Formulated as that iconic little blue pill, Viagra has the longest history of any FDA-approved ED treatment on the market today. Both generic sildenafil and Viagra work by increasing blood flow to your penis, making it easier for you to get and maintain an erection.

Drug Interaction Studies

Sildenafil belongs to a class of enzyme-inhibiting drugs called phosphodiesterase type 5 inhibitors, or PDE5 inhibitors. Like the others in its class, sildenafil works by relaxing the muscle tissue inside the walls of your blood vessels, allowing the vessels to dilate, and improving blood flow throughout some parts of your body — including your penis. It's important to note that these erectile dysfunction medications aren't wonder drugs. They only work if you're sexually stimulated. But if you’ve got sexual stimulation and these pills, research shows that you have an effective, reliable erectile dysfunction treatment. In rare cases, Viagra and generic sildenafil may cause serious side effects, such as: Priapism (a persistent, often painful erection lasting longer than four hours) Priapism (a persistent, often painful erection lasting longer than four hours) Lightheadedness and dizziness (typically brought on by low blood pressure when combined with other medications) Lightheadedness and dizziness (typically brought on by low blood pressure when combined with other medications) If you experience any of these severe side effects, seek medical attention immediately.

How should I take sildenafil?

While a single tablet of Viagra is priced as high as $70 in the United States, generic drugs like sildenafil tablets are available for as little as $3 each when purchased online. Even though the active ingredients are the same, if you’re switching from Pfizer’s brand-name Viagra to a generic form of sildenafil, it’s important to check that you’re purchasing tablets with a similar dosage to the one your healthcare provider prescribed. Sildenafil may also be sold under different brand names in other countries. Some of these Viagra generic names include: When it comes to drugs like Figral, Mazzogran, and Fildena vs. Viagra, they are all used for the same purpose: increasing blood flow to the penis.

Platelet-aggregation Inhibitors

Their labels also state that these products contain sildenafil, so Mazzogran sildenafil 100mg should be equivalent to brand-name Viagra 100mg. However, because these drugs have not been made in the U.S. and cleared by the FDA, it may be harder to assess the quality of their ingredients. Each country has its own set of regulations, and there’s always the chance the product you’re getting is not authentic if you buy it online from an international retailer. If you’re in the U.S. Both Viagra and generic sildenafil can interact with other medications, including alpha-blockers, nitrates, and other medications used to treat hypertension (high blood pressure), heart disease, and other cardiovascular health issues.

5.7 Priapism

If you’re curious about the history of the brand and generic names, here’s the quick version: Two years sildenafil 50 mg india and many clinical trials later, in March of 1998, the new medication — now called Viagra — received approval from the Food and Drug Administration and hit the market as a prescription medication for the treatment of erectile dysfunction. Two years and many clinical trials later, in March of 1998, the new medication — now called Viagra — received approval from the Food and Drug Administration and hit the market as a prescription medication for the treatment of erectile dysfunction. As the first oral medication for ED, Viagra became incredibly popular. Large-scale TV ad campaigns made the little blue pill famous. In 2005, the FDA approved sildenafil under the brand name Revatio® for treating pulmonary arterial hypertension — more on this later.

Binding Characteristics

Pfizer’s patent on Viagra expired in 2012 for countries outside the U.S., allowing other brands to produce and market their own generic Viagra medications containing sildenafil. Although Pfizer challenged the expired patent in the United States, sildenafil has since become widely available as a generic medication manufactured and marketed by various companies. Viagra is brand-name sildenafil that’s FDA-approved for ED, and what is the active ingredient in Viagra? But we suspect the question you really want to ask is whether one is made better, or safer — is generic sildenafil as good as Viagra for treating ED? Although some manufacturers may use their own brand name, most generic sildenafil products are labeled simply as “sildenafil.” Regardless, they do the same thing, offer the same benefits, and have the same risk of side effects. As such, you’ll want to tell your healthcare provider if you’re taking any prescription or over-the-counter medications, or if you’ve had previous heart issues like angina, chest pain, or a heart attack.

  • Using sildenafil with certain medicines can cause serious interactions.
  • Blood pressure medications and alpha-blockers are common concerns.
  • Always inform your doctor of all medications you're taking.