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Viagra alternate

The drugs already on the market for a long time. However, we do not know or do not know how good and effective for these drugs.

Ideal for drugs in the physical equivalent of the brand names of drugs, almost all of its property, in a similar situation to form, but are usually sold at relatively low cost. Manufacturers do not spend the research and promotion of these drugs, and therefore, by that feature to consumers. By pharmaceutical companies in-depth research and money to invest in the manufacturing sector and the promotion of new drugs on the market to sell this property at a price much higher than the price of drugs. In drugs, can sometimes be cheaper as 60-70% of the drug carrying brand names.

Although the U.S. and Food and Drug Administration, and established a number of manufacturing requirements and standards, like the brand drugs, and includes a series of tests to ensure that drugs are exactly the same original new drugs, it can not combat drug manufacturing, and in other countries, and can easily The Internet. According to FDA guidelines, once completed in the real estate patents, and other pharmaceutical companies were manufacturing in forms of the same drugs.

American Medical Association (the largest organization of doctors) have also adopted the drugs and also be acceptable to the American public opinion. 50% of prescriptions in the United States today is the consumption of drugs, and is expected to grow 75-85 percent.

One of the most popular drugs is a common »Viagra«! Sales. General »Viagra«! Readily available on the Internet through a variety of pharmacies on the Internet. »Viagra«! People, and a lot of online pharmacies selling fake also the year »Viagra«!. This is critical to ensure that the purchase  Viagra ! Is a certificate of pharmaceutical drugs and could benefit from the use of low-cost Viagra!.

General Viagra Is used to treat Erectile Dysfunction in men. In the name of its CD-Villagra litres. General Viagra Are cost-effective complement to  Viagra  Original. It has the same active ingredients as brand name drugs formula and effective working as Pfizer  Viagra  ‘s. These two drugs are similar in quality and purity and strength, dose and take the same amount of time to work.

After success,  Viagra  Many drug manufacturers to launch versions of  Viagra   As a general  Viagra . Some of the common option is  Viagra  Kamagra, penegra, cavetra and siligra. General  Viagra  are cost-effective treatment of men suffering from sexual problems, Erectile Dysfunction. GM should not be taken »Viagra«! Without a prescription from a doctor.

Viagra and other oral medications that treat erectile dysfunction

Viagra, Levitra and Cialis are often the first treatment tried for erectile dysfunction — the inability to achieve or sustain an adequate erection for sexual activity. For most men with erectile problems, they work well and have few side effects. All three medications improve erectile function in the same basic way, but the effects of tadalafil (Cialis) last longer. This and a few other minor differences among these medications may make one a better choice over another for some men.

Viagra, Levitra and Cialis increase levels of nitric oxide, a chemical produced by your body during sexual stimulation that causes blood vessels in the penis to relax and open. This allows you to achieve and maintain an erection. These medications don’t automatically trigger an erection; sexual arousal is needed to start the whole process.

Viagra, Levitra and Cialis each have a slightly different chemical make up. These minor differences affect the way they work, such as how quickly they take effect and wear off; how they interact with other medications; and side effects. Your doctor will consider these factors when deciding if one of these medications is a good choice for you. Your doctor will also consider any other health problems you have and whether any of your current medications could cause problems when taken with Viagra, Levitra or Cialis.

Although these erectile dysfunction medications can help many people, not all men can safely take them. Viagra, Levitra and Cialis may not be a good choice if you have: Continue reading Viagra and other oral medications that treat erectile dysfunction

How Viagra™, Levitra™ and Cialis™ compare to each other

Until the late 1990s, there were no truly effective oral medications for erectile dysfunction — the inability to achieve or sustain an adequate erection for sexual activity. The useful drugs that were available had to be injected into the penis or inserted into the urethra.

Treatment of erectile dysfunction is much easier now, thanks to a class of drugs called phosphodiesterase-5 (PDE-5) inhibitors. The medications — sildenafil (Viagra), vardenafil (Levitra) and tadalafil (Cialis) — all improve erectile function in the same basic way, but they differ in how quickly they take effect and how long their effects last.

Viagra™, Levitra™ and Cialis™ – How they work?

Viagra, Levitra and Cialis prevent the breakdown of nitric oxide, a chemical messenger that promotes relaxation and opening of the blood vessels that supply erectile tissue in the penis. Under the influence of nitric oxide, these vessels expand and stay dilated. Increased blood flow makes erectile tissue swell and compress the veins that carry blood out of the penis, resulting in a full erection.

PDE-5 inhibitors do not automatically trigger erections. Sexual stimulation also is needed to start the whole process. The medications enable a more complete response to sexual stimulation.

Many clinical trials have shown that PDE-5 inhibitors improve erectile function regardless of the underlying cause or causes. Viagra, Levitra and Cialis increase the number and quality of erections and sexual experiences in men with erectile dysfunction due to arteriosclerosis, diabetes, spinal cord injury, depression or the aftereffects of prostate cancer surgery.

Similarities and differences

The drugs have slightly different chemical compositions that affect how quickly they work and wear off. Other distinctions — for example, which drug may be best for men of different ages or with different medical conditions — aren’t known. No study has directly compared these three medications.


Viagra (sildenafil) Levitra (vardenafil) Cialis (tadalafil)
Usual dose 50 milligrams (mg) a day 10 mg a day 10 mg a day
Maximum doses 100 mg a day 20 mg a day 20 mg a day
Available as 20 mg, 25 mg, 50 mg and 100 mg tablets 2.5 mg, 5 mg, 10 mg and 20 mg tablets 5 mg, 10 mg and 20 mg tablets
How to take Without food Without food With or without food
When to take 30 to 60 minutes before sexual activity 30 to 60 minutes before sexual activity 30 minutes before sexual activity
Duration of effects Up to four hours Up to four hours 24 to 36 hours
How often to use Up to once a day Up to once a day Up to once a day
Side effects Headache, flushing, indigestion, stuffy or runny nose, upset stomach, diarrhea Headache, flushing, indigestion, stuffy or runny nose, upset stomach, dizziness Headache, indigestion, back pain, muscle aches, flushing, stuffy or runny nose
Warnings Do not take with nitrates (Nitro-Dur, others), or if you have certain heart valve problems. Should be used with caution or not used at all with alpha blockers. Should not be used with some antibiotic, antiviral or antifungal medications. Do not take with nitrates (Nitro-Dur, others) or alpha blockers (Hytrin, Cardura, others), or if you have certain heart valve problems. Should be used with caution or not used at all with alpha blockers. Should not be used with some antibiotic, antiviral or antifungal medications. Do not take with nitrates (Nitro-Dur, others) or alpha blockers (Hytrin, Cardura, others), or if you have certain heart valve problems. Should be used with caution or not used at all with alpha blockers. Should not be used with some antibiotic, antiviral or antifungal medications.

Several factors may affect your choice of medication, including how well your body responds to one drug over another and how long you want the effects of each dose to last. Talk to your doctor about your options and personal preferences to help decide which one of these medications might work for you.

Although these medications can help many people, not all men can safely take them. PDE-5 inhibitors may worsen certain medical conditions and interact with a number of drugs. Erectile dysfunction medications are dangerous when used with nitrate medications, such as nitroglycerin (Nitro-Dur, others), often prescribed to prevent or treat acute angina (chest pain due to coronary artery disease). Both types of medication dilate blood vessels, and their combined effects can cause dizziness, low blood pressure and loss of consciousness.

In rare cases, men using PDE-5 inhibitors have suffered permanent, total vision loss due to nonarteritic anterior ischemic optic neuropathy (NAION). Because NAION and erectile dysfunction share many of the same risk factors, it’s unclear whether the drug or an underlying condition is responsible. If you’re considering an erectile dysfunction drug but have a retinal disorder, such as diabetic retinopathy, see your eye doctor first.

Occasional erectile dysfunction is a common problem, particularly as men age. Medication won’t make you feel like you’re 20 again, but it can help you achieve satisfying sexual relations more often. Be willing to work with your doctor to find which medication and dosage is best for you.

Herbal Viagra ?

Sildenafil (Viagra) is a prescription medication used to treat erectile dysfunction. It works by increasing blood flow to the penis when a man is sexually aroused.

Many herbal products marketed as sexual stimulants claim to be “natural versions” of Viagra — but they aren’t the same as the prescription drug. Some contain substances (vasodilators) that improve blood flow by relaxing the walls of blood vessels. But no herbal products are as specific for blood vessels to the penis as Viagra and other similar prescription drugs are. As a result, these herbal remedies may cause generalized low blood pressure and restrict blood flow to vital organs.

One popular herbal medicine called yohimbe — which is marketed as a sexual stimulant — can be dangerous if used in excessive amounts. If you have erectile dysfunction, see your doctor to discuss proven treatment options.