What is erectile dysfunction (ED)?

Erectile dysfunction (ED) is an inability to keep an erection to have sexual intercourse. Sometimes referred to as impotence, however this term is now used less often.

Occasional ED isn’t uncommon. Many men experience erectile problems at times of stress. Frequent ED, however, can be a sign of some health problems that need treatment. It can also be a sign of emotional or relationship problems that you may be having and should consider seeing a  professional.

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What causes a erection?

ED occur because of problems at any stage of the erection process. An erection is the result of increased blood flow to your penis. Blood flow is stimulated by either sexual thoughts or direct contact with your penis.

When an individual with a penis is sexually excited, a muscle within the blood vessels in the penis relaxes. This allows for increased blood flow through penile arteries, filling two chambers inside the penis. As the chambers fill with blood, the penis grows rigid.

An erection ends when the muscles in the blood vessels contract and the accumulated blood can flow out through the penile veins.

Erectile dysfunction causes

There are many possible causes of ED, and they can include both emotional and physical conditions. 

That’s why it’s important to work with your doctor so that they can rule out or treat any underlying medical condition.

Erectile dysfunction diagnosis

Testing for ED involves a variety of steps, some are a physical examination, examining your health and sexual history. Your doctor may order additional tests to determine if your symptoms are caused by an underlying condition.

Erectile dysfunction treatment

Treatment for ED will depend on the underlying cause. You may need to use a combination of treatments, including medication or talk therapy.


Your doctor may prescribe medication to help you manage the symptoms of ED. You may need to try several medications before you find one that works. The following oral medications stimulate blood flow to your penis to help treat ED:

Generic Erectile dysfunction pills  saves you money on your ED medicine choices

What are the differences between erectile dysfunction drugs? About half of men ages 40 to 70 have erectile dysfunction (ED) to some degree, although only one in 10 report a complete inability to have erections. Taking an ED drug produces an erection sufficient to start intercourse in about 70% of otherwise healthy men.

Does it make any difference which of the four drugs for erectile dysfunction you take? “Yes, there can be differences,” says Dr. Louis Liou, chief of urology at Harvard-affiliated Cambridge Health Alliance in Boston. “For new patients, I have them try different ones to see what works best.”

Sildenafil (Viagra) is often the first drug your doctor offers and you can get brand name or generic and makes no difference except for price.

Generic erectile dysfunction  drug have been on the market for a long time its side effects and the medications and foods it interacts with are well known.

Generic Erectile Dysfunction Medicine Contain Exact Same
Active Ingredients
as brand-name erectile dysfunction meds

Generic medicine drugs have the same active ingredient (the chemical that makes the drug work) to work the same way in the body as the brand-name drug. Generic drugs must also have the same amount of active ingredient in the prescription.

The non-medicinal ingredients, such as fillers and preservatives on the generic medicine may be different from the brand-name product, but they are also regulated and subject to the same review process.

But the main challenge to finding the best ED drug for you may turn out to be health insurance rules—not biochemistry. It’s a common practice among insurers to limit the number of pills you can obtain per month. After you hit your limit, the out-of-pocket cost for a single pill can be very high. “The main obstacle in my practice is the cost,” Dr. Liou says. You’ll need to work with your doctor to get the pill you need at a price you can afford.

You may want to consider buying affordable generic ed medications.

You can buy it online at very reasonable prices. 

What erectile dysfunction pills are available?

In addition to Viagra, other ED drugs available in the United States include avanafil (Stendra), tadalafil (Cialis) and vardenafil (Levitra). These all improve blood supply to the penis, but they are expensive. In combination with sexual stimulation, the drugs can produce an erection sufficient to initiate and complete intercourse. There is also a fast-dissolving form of Levitra, called Staxyn, that you put under your tongue.

One ED drug, Cialis, is FDA-approved for use daily in a dose of 2.5 or 5 milligrams. This helps to produce erections on demand and may also help relieve urinary problems, like difficulty starting urination, that result from an enlarged prostate.

Cost of erectile dysfunction pills

The cost to you for ED drug therapy varies considerably, depending on the pharmacy price, prescription co-pays, and your level of health plan coverage. Even if private insurance covers it, you may be limited to four doses per month. Here are a few things you can do to contain costs:

  • Shop around, because pharmacy prices vary. Various websites can help you save money. One of the most affordable sites is where you will find affordable medications at very reasonable prices. You can order them online for up to 90 days and have it shipped directly to your door.
  • Ask your doctor about pill splitting, where you get the pills at a higher dose than you need and divide them.

How well do ED pills work?

ED drugs produce an erection sufficient for intercourse in about 70% of men. But the results vary quite a bit from one individual to another. A man with nerves or arteries damaged by prostate surgery, diabetes, or cardiovascular disease will not respond as strongly to ED drugs. “There are some men in whom none of these drugs work,” Dr. Liou says.

How quickly do ED pills work?

How soon the drugs start working ranges from 15 to 60 minutes. Neither Viagra nor Levitra will work if you take them after a meal, which blocks their absorption. However, neither Cialis nor Stendra interact with food this way. The onset time determines how soon you can engage in intercourse. Stendra and daily-use Cialis are closest to being an “on demand” erectile drug; using the others requires more planning.

How to use ED pills properly

Dr. Liou says that some men come to him after getting a prescription from their primary care doctors, claiming that the drug doesn’t work. Sometimes it’s because they used it incorrectly. “The biggest misconception is that these drugs are an on/off switch for erections,” Dr. Liou says. But the drugs don’t work well without sexual stimulation. “During that time, you need to be with your partner and have foreplay,” Dr. Liou says. “Don’t take it, do the taxes or the dishes, and then meet at the bedroom thinking you’ll be ready to go. It’s not like that.”

How long do ED pills last?

The ED drugs break down at different rates in the body. The durations of action range from four hours to more than a day (for Cialis in the higher doses). Each dose should be sufficient to provide a full cycle of intercourse, from erection to climax.

“Will it last through another cycle? It’s not guaranteed,” Dr. Liou says. To have sex more than once a day, Cialis is your best bet.

What are the side effects of ED pills?

The most common side effects of ED drugs, in order of most to least common are headache, flushing, upset stomach, nasal congestion, vision problems, diarrhea, dizziness, and rash. A man who has an erection that lasts four hours or more needs to get to a hospital or risk permanent damage.

None of the ED drugs is safe to take with cardiac drugs called nitrates because it could cause a dangerous drop in blood pressure. Drugs that many men take for urinary symptoms, called alpha blockers, can also lower blood pressure, so take them at least four hours apart from ED drugs. Your doctor may start you on a smaller dose of the ED drug if you already take an alpha blocker or may recommend the alpha blocker tamsulosin (Flomax), which affects blood pressure less.

Heart health and erectile dysfunction

ED is often an early warning sign of underlying cardiovascular disease, such as clogged arteries (atherosclerosis). “It can predate a diagnosis of cardiovascular disease by at least a few years,” Dr. Liou says. We don’t have strong proof yet that starting to live a healthier lifestyle can reverse erectile problems, but it can’t hurt.

ED drugs: How soon they start working and how long they last




avanafil (Stendra)

15-30 minutes

6-12 hours

sildenafil (Viagra) $0.43 Per Pill 

30-60 minutes

4-5 hours

tadalafil (Cialis) $0.46 Per Pill

30-45 minutes

24-36 hours

tadalafil (Cialis) daily $0.46 Per Pill 



vardenafil (Levitra) $0.49 Per Pill

30-60 minutes

4-5 hours

Several drugs, in particular, have become very common – a key example of this is kamarga, a generic medicine used to treat erectile dysfunction. It costs are much more affordable then other drugs. The active ingredient of Kamarga is sildenafil. Viagra, a popular brand-name drug, used for the same purpose, also uses sildenafil as its active ingredient. The difference lies in price, with the latter costing $60 – over 12 times kamarga’s cost. At you purchase it at less the half the price. 

Other drugs used to treat erectile dysfunction or impotence is Generic Cialis that has tadalafil as its active ingredient and costs under $2. On the other hand, its brand-name version, Cialis, costs about $30 a dose – 15 times greater than tadarise, despite having the same active ingredient and you can buy this generic medicine online at substantial lower costs at

Finpecia, a generic medicine used to address male pattern baldness, can be purchased for much cheaper at but brand-name versions like, Proscar and Propecia, cost much more and you can buy the Generic Version at much more less. Again, they share the same active ingredient, finasteride. So why waste money on the brand name drugs that only empty your pockets. 

 People suffer from extreme sleepiness or drowsiness as a result of narcolepsy or other sleep disorders can manage their conditions using many different kinds of medication at substantially lower prices.

Using even the highest price for the generic, the brand-name one costs over 13 times more at your local  pharmacy comparing with generic drugs or generic medicine.

Of course, the prices above may vary, depending on where they are purchased, the buyer’s insurance, the strength of the medication; the volume of pills purchased; but, regardless, there is a very significant difference between the prices of the generic medicine and brand-name versions, over ten times in all the examples discussed above. Given these price differentials, it is worth analyzing how generic and brand-name drugs are the same and what the circumstances are that prompt manufacturers to price the drugs so differently. 

One of the most critical points is that generic medicine contain the same active ingredients as brand-name medicine in equal amounts, are meant to address the same conditions in the same way, and even have the same side effects. Their producers are held to the same manufacturing standards as those producing brand-name drugs. However, generic drugs may be packaged or marketed differently from their name-brand versions; they may also have differences in taste, color or some trace ingredients. In effect, though, they must be essentially the same drug.

The drug manufacturers’ ability to price generics lower relies on the brand-name manufacturers initially owned patent. The patent, usually lasting about 20 years, gives owners exclusive ability to produce, sell, and, most importantly, generate more profit from these drugs. 

In practice, this translates to a monopoly – or something very close to it – for the owners of these patents, allowing them to recoup their investments several times over. This is especially true for life-saving drugs, for which there are no alternatives on the market, and those struggling with the conditions are likely to exhaust all means possible to purchase the drugs, however expensive they may be.   

Once the patents expire, however, generics manufacturers are able to produce and sell the drugs and you can get the best price on your medications at, but at much lower prices because they did not have to invest billions of dollars during the research and development phase. The entrance of competitors also effectively breaks the monopoly discussed above, naturally placing downward pressure on the pricing of all manufacturers. Of course, generics manufacturers are rigorously screened by the US Food and Drug Administration, and other similar regulatory bodies around the world, to ensure that generic drugs are just as safe and effective as their brand-name counterpart. 

Over the years, generic drugs have become increasingly widespread, in no large part due to their dramatically lower cost. In the United States, a reported 88% of all prescriptions are for generic drugs; it is estimated that the US health-care system saved $254 billion through the use of generic drugs (as opposed to their brand-name versions).

A company like can procure a generic medicine at an affordable price and save you over 80% on your medications, and best of all their motto is nobody beats their prices.

Nonetheless, there are still reports of medical professionals supposedly counseling their patients to purchase generic-name versions at significant savings. These are, in turn, attributed mainly to pressure, or incentives, from pharmaceuticals producing brand-name drugs that want to continue to keep their hold over captive markets. However, it is also true that require you to obtain a prescription from your doctor. If you require medication your  prescriptions for generic versions of the brand-name drugs if requested by you from your doctor is very simple. Online reputable pharmacies like are also likely to procure drugs at the best prices from a regulated pharmacy in the country of origin long as these are permitted by national laws and international regulatory bodies saving you a lot of money on your prescription medication.

The initial investment required for the research and development process for the drugs is often cited as the primary reason to allow brand-name manufacturers to sell their drugs at such high prices. Hence, governments and regulatory bodies are often caught between making medicines as easily accessible as possible and protecting the profit-making capacities of pharmaceuticals to ensure that they continue their research and development efforts to improve the drug regimes for various diseases. 


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Generic or Brand Medicine?


So the question now is, if your doctor or pharmacist offers you a generic medicine of your current medication, should you take it? Short answer in most cases is, yes.

“Brand-name medications are not always better. Many of them are highly expensive,” says Dr. Niteesh K. Choudhry, professor of medicine at Harvard Medical School and executive director of the Center for Healthcare Delivery Sciences at Brigham and Women’s Hospital. As a result of this high cost, some people may skip doses or not take a drug at all because they just can’t afford it. In this way, generics may be a clear winner. In many states pharmacists are required to provide you with the generic version of the medication, unless your doctor specifies otherwise.

It’s estimated that if more prescribers substituted generic medicine for brand-name drugs, drug spending could drop substantially, as much as $5.9 billion by some estimates, says Dr. Choudhry. In addition, there is really no hard proof at this point that generic medications are any less effective or safe than the originals. These drugs are heavily regulated, which can give you some assurances about quality.

While researchers will likely continue to look into the performance of generic medicine versus brand-name drugs, the bulk of research out there shows that taking the no-name brand not only saves you money, but also provides you with a medication that is just as effective as the original.

That said, if you do switch to a generic version of your medication and notice new or worrying symptoms, it’s definitely something to bring up with your doctor.


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