Leaders in the Global Erectile Dysfunction Drug Market

The leaders in the global ED drug market are Viagra, Cialis, Levitra, and Stendra, and they can all be found at most pharmacies. In this article, we will go over the top medication for erectile dysfunction and discuss their efficacy. Most of these drugs also come in a generic version that can cost less than half the price. 

Erectile Dysfunction Medication – General Notes

All of these medications are in a class of drugs called PDE 5. They work to block an enzyme called phosphodiesterase type 5 and encourage muscles to relax by boosting nitric oxide. 

None of these drugs should be taken more than once within a twenty-four hour period. Women and children should never take these drugs. 

 While side-effects vary for each, all of these drugs may cause:

  • Stuffy or runny nose
  • Headache
  • Flushing
  • Back Pain

When considering taking any of these ED remedies, it is essential to consult with a medical professional first.


Viagra was the first and most notable of the PDE-5 inhibitors. The drug treats ED as well as pulmonary arterial hypertension. 

Strength, When to take it And How Long it Lasts

Viagra is available in 25 milligrams (mg), 50 mg, and 100 mg tablets. The typical dose is 50 mg and can take from a half-hour to an hour to start working. The effects of the pill last about four hours.

Is there a Generic Version?

The pharmaceutical giant Pfizer had a patent on Viagra which recently expired. Generic versions are now on the market. They all include the same ingredient, sildenafil, though they are much cheaper. For example, the site called Sildenafil Kaufen has pills available for discreet ordering online. 


The main ingredient in Cialis is tadalafil. The oral pill is used to treat erectile dysfunction as well as pulmonary arterial hypertension and prostatic hyperplasia. 

Strength, When to take it And How Long it Lasts

Cialis comes in either 2.5 mg, 5 mg, 10 mg, or 20 mg. The dosage for men using daily is 2.5 mg, and the maximum dosage is 10 mg. 

The pill should be taken thirty minutes before sex and can stay in the bloodstream for up to thirty-six hours. 

Is there a Generic Version?

Yes, there are many generic versions of Cialis with the generic name tadalafil


Levitra works to correct ED for men, both young and old, and regardless of metabolic disorders. 

When To Take It & How Long it Lasts

Levitra is available in 5 mg oral tablets for men 65 years and older. For everyone else, the pill is usually taken in 10 mg doses. It should be taken thirty minutes before sex. After taking Levitra, the effects will last from four to five hours. 

Is there a Generic Version?

Yes, Generic versions include the active ingredient, Vardenafil.


This is the most potent out of all of the options available on the market.

How Strong is Stendra?

The pill comes in 50 mg, 100 mg, or 200 mg. The most common dosage is 100 mg and should be taken 15 minutes before sex unless taking the 50 mg tablet, in which case take it thirty minutes before. The medication remains in the bloodstream for up to six hours. 

Is there a Generic Version?

Avanafil is the generic name of Stendra, though there is no generic version available thus far.


The five leaders in the Erectile Dysfunction drug market are taken in a variety of doses, so be sure to seek advice from a medical professional. All of the drugs interact with the body’s systems in similar ways. There are many options available with the opportunity to buy generic versions. All of these drugs offer hope for individuals suffering from ED. 

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