What Is the Difference Between Sildenafil and Sildenafil Citrate?

Sildenafil is a type of medicine that is used to treat erectile dysfunction. A popular brand of sildenafil is Viagra. As for Sildenafil Citrate, it is the active ingredient used in making a sildenafil drug. Sildenafil tablet is a white crystalline powder and it contains the following chemical composition – C 22 H 30 N 6 O 4 S. It was first discovered in 1989.Sildenafil Citrate is a formulation that helps a muscle relax. It was initially developed to treat adults with angina and heart problems.

In the case of men with erectile dysfunction, it relaxes their penile muscle. As for people with pulmonary arterial hypertension, sildenafil citrate helps the blood vessel connecting the lungs and the heart to relax. While helping these affected muscles relax, it also regulates blood flow, preventing possible erection problem or hypertension.

The very first Sildenafil tablet that was released on the market was Viagra from Pfizer. This medicine was a hit when it was introduced in the market and Pfizer applied for a patent. After its patent expired, different pharmaceutical companies started manufacturing their own version of sildenafil and called it generic Viagra or generic Sildenafil.

To sum it up, sildenafil citrate is the raw material used in making the product, sildenafil. Sildenafil citrate was first introduced in the market in 1989 as an active ingredient for a drug that is used as a treatment for the heart. It was developed by Albert Wood and Peter Dunn. In 1991, Dr. Nicholas Terrett worked on the raw sildenafil citrate and developed Viagra. Viagra was originally a treatment for the heart yet clinical trials proved that it is also an effective treatment for erectile dysfunction. With such result, Viagra or Sildenafil became a known erectile dysfunction drug and in 1998, it was approved by the FDA as a treatment for erectile dysfunction.

Sildenafil 100 mg Review By Patients

Sildenafil 100 mg is the highest dosage available for a Sildenafil tablet. There are other formulations such as Sildenafil 25 mg, 50 mg, 75 mg, and 20 mg. Sildenafil 100 mg is prescribed to men with severe erectile dysfunction. It is a need-only medicine. For adults with pulmonary arterial hypertension, it is prescribed as a part of regular medication.

Sildenafil is a fast-acting ED medicine that works within 30 to 45 minutes after taking it. It is more effective if taken on an empty stomach. The effect of Sildenafil tablet lasts for 4 hours. To date, there are online pharmacies that sell sildenafil citrate or raw sildenafil powder. Most users say that sildenafil citrate powder works faster than sildenafil tablet. Still, there is not much data yet regarding the efficacy and safety in using raw sildenafil powder.

To date, there are more than 50 generic sildenafil tablets circulating in the online market. If you want to get affordable generic sildenafil tablet, you can check our top-rated pharmacies list.

Sildenafil 100 mg

Is Viagra the Same as Sildenafil?

Viagra is just one of the brand names of a Sildenafil tablet. It was produced by a pharmaceutical company called Pfizer. Because Viagra was so popular, all other sildenafil tablets were eventually called as generic Viagra. Most people are now interchanging Viagra and Sildenafil and it is just okay and is widely accepted. Since Viagra was the first sildenafil erectile dysfunction drug that was introduced in the market, doctors and ED patients alike consider Viagra as the Sildenafil product from Pfizer (branded Sildenafil).

Viagra is the same as Sildenafil. When you get a prescription for a branded Viagra or branded Sildenafil that means you will be getting Pfizer’s Viagra. All other Sildenafil tablets are considered as generic sildenafil or generic Viagra and only varies with their manufacturer’s name (eg, Ajanta’s Viagra or Fortune Healthcare’s Sildenafil).

Sildenafil vs Viagra Cost

The price is one of the biggest difference between sildenafil and Viagra. After Pfizer lost its patent in the UK in 2013, UK pharma companies started manufacturing their own versions of Sildenafil. In the US, the Viagra patent expires in 2020, making it illegal in the US to sell generic Viagra.

Let’s take a look at the big difference between the price of sildenafil and Viagra.

Sildenafil Pills Pricing

The price of sildenafil or generic Viagra is $0.37 per tablet. There are other manufacturers who sell it for more than a dollar but never higher than $2. As for Pfizer’s Viagra, it costs $3.81 per tablet. This is the usual price of Viagra and generic Viagra online while on physical drugstores, Viagra often costs around $8 up to $20 (depending on the country location) while Sildenafil costs $2 to $5.

If you are looking for a way to save some dollars on your medicine, you can definitely purchase your ED medicine from our list of top rated online pharmacies. The good thing about online pharmacies is that they offer a lot of perks and promotions. Aside from offering Sildenafil for a very low price, they also offer coupons and perks like free bonus pills. Some online drugstores even offer free shipping to customers who ordered the required amount.


To simply put it, Sildenafil is the medicine that people with erectile dysfunction are using while sildenafil citrate is the active ingredient used in making the sildenafil tablet. Sildenafil is categorized based on the manufacturer who made it hence we have Pfizer Sildenafil (Viagra), sildenafil Kamagra or sildenafil Fildena.

Sildenafil is the finished product. It is the medicine we buy online. Whether it is a generic or branded sildenafil medicine, it is a drug that contains the active formula, sildenafil citrate. The dosage of each sildenafil tablet determines the sildenafil citrate content of each tablet. A 25 mg sildenafil tablet means that it has 25 mg sildenafil citrate while a 100 mg sildenafil tablet contains 100 mg sildenafil citrate. Our list of top rated online pharmacies can help you find a reliable provider of pharmaceuticals.