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Viagra is a prescription oral medicine created to treat impotence and different levels of erectile dysfunction in men. This is a very common suffering among the male population who are in their 50′s and, in some cases, younger men who have develop this dysfunction. Viagra helps men to increase their libido, to strengthened their sexual vitality, to perform intercourse as they used to do before, normal and natural. Viagra has been in the market for more than 10 years and men prefer this medication because it satisfies the three most important needs while having sex, time, hardness and to maintain an erection. These reasons have made 30 million men from all around the world buy the most important med to treat erectile dysfunction.

Erectile dysfunction causes. There are many factors which can cause ED, for example, psychological conditions like stress, anxiety and depression. This mental disorders affect the relationship with your couple and many medications to treat depression might also cause ED. Most physiological factors have to do with narrow blood vessels where the blood cannot run easily like, high blood pressure, high cholesterol, heart disease, diabetes, prostate problems. Other causes happen after a surgery or some types of injuries like, spinal injury and surgeries that affected blood vessels related to the erection process like prostate or bladder surgery. Some medicines can cause ED like cancer and heart medicines. Bad habits like smoking and drinking alcohol can cause ED too.

If you suffer from any of the aforementioned causes you may consider the possibility of visiting your doctor to find the specif cause of ED and treat it with Viagra. Some causes need to be treated along with other medications, specially mental disorders. Psychological therapy might be a necessary treatment complement in these specific cases. To find the perfect treatment and the right doses visit your doctor and ask him to study your medical history and your current health condition. Viagra works for most men.

How does Viagra work?
Viagra is a PDE5 inbibitor. It works by relaxing the penis muscles and by opening the blood vessels. When the blood vessels are wide, the blood flow can run easily through the penis allowing erections to happen. Men can get a hard erection and can maintain it long enough to complete intercourse satisfactory. After ejeculation the penis returns to normal. The effect lasts for 4 hours, during this time men can have as many erections as wanted. Take Viagra pill one hour before sexual encounters. Viagra does not work by itself, sexual stimulation of any kind is needed to have an erection. Heavy meals and alcohol may affect the pill’s effectiveness

Viagra’s side effects. Ask your doctor about side effects and go to a health center in case side effects become severe.

• Headache
• Indigestion, stomach upset
• Flushing
• Nasal congestion
• Impared vision (light sensitivity and blurred vision. See things tinted blue.)
• Blurriness and loss of vision
• Decreased or loss hearing

Some rare but severe side effects are:

• Priapism
• Hypotension
• Heart attack
• Arrythmias
• Stroke
• Intraocular pressure

Viagra’s Contraindications:

• Don’t take Viagra if you take nitrates
• If sexual intercourse is inadvisable due to a heart condition
• Decreased liver function
• Renal malfunction
• Low blood pressure
• Recent stroke or heart attack
• Hereditary retinal disorders