Viagra is indicated for the treatment of erectile dysfunction in men, helping to increase blood flow in the penis and can help men with erectile dysfunction to achieve and maintain a satisfactory erection for sexual activity. Once sexual activity is complete, the penile blood flow slows and the erection ends. For Viagra to work, sexual arousal is required, so a man will not have an erection just by taking a Viagra pill without sexual stimulation. It is noteworthy that the drug Viagra acts on average from 30 minutes and may have action for up to 36 hours.
Viagra is presented as coated tablets, in packs containing 2, 4, 8 and 12
tablets and is not suitable for men who do not have erectile dysfunction or for patients who are allergic to any of the tablet components and do not have special recommendations and warnings. to the use of the drug by the elderly. Viagra should be administered with caution to those patients who have one of the following health problems: heart problems, heart failure, irregular heartbeat or heart attack; low pressure or uncontrolled high pressure; stroke, liver problems, kidney problems or requiring dialysis, stomach ulcers, bleeding problems or penile deformation.
Rare cases of vision loss have been reported in men taking erectile dysfunction medications, including Viagra , which occurs due to disruption of blood flow to the optic nerve, with a higher risk of people with diabetes, high blood pressure, increased cholesterol, heart disease and smokers. Viagra should also be used with caution in patients who have lactose intolerance as it contains lactose in its composition. And the recommended maximum daily dose of Viagra is 20 mg taken before sex and independent of meals. Therefore, its use is on demand.
In clinical studies, the following adverse reactions with the use of Viagra have been reported, the most common being headache effects, but some other adversities are also common, such as back pain, dizziness, stomach upset, redness of the face, muscle pain. and nasal congestion. The rarest conditions caused by the drug in its users are hypersensitivity reactions, severe bullous-shaped inflammatory skin redness, hives, severe cardiovascular events including myocardial infarction, sudden cardiac death, stroke, chest pain, palpitations and beating. heart failure, and these are the rarest causes reported by post-sale patients and are reported by most patients with pre-existing cardiovascular risk factors.
Viagra has its 20 mg version costing $ 35.38 the 10 pill package and $ 35.11 its 10 mg version containing 10 pills. Already the 20 pill package in its 20mg version is costing $ 47.83, and the 10mg version also containing 20 pills costs $ 45.67. The most expensive version of the drug, contains 360 pills and in its versions with compositions of 20 mg and 10 mg, cost $ 471.24 and $ 404.49 respectively.
To sum up, Viagra is a drug indicated for men who have erectile dysfunction, increasing the flow of blood in the penis and allowing the man who has this difficulty to have sex. However, just like any medicine of this type, it is important and necessary to consult a doctor before use as complications can occur in people who have a pre-existing problem.
For the erection to work, sildenafil, the Viagra component, needs to increase blood flow to the penis. This same compound, although to a lesser extent, is also used in medicines that fight pulmonary hypertension. According to data from the NHS, the UK health service, at least two-thirds of men who use the drug say it works and causes an erection.
There are alternative treatments to Viagra for impotence.
There are medicines that work similarly to Viagra, such as Cialis. There is also a vasodilator drug called Alprostadil, which helps stimulate blood flow to the penis. It is sold as injection and suppository. A medical appointment is recommended prior to this treatment. On the other hand, there are erection dysfunctions caused by endocrine problems that can be treated with injectable male hormones.
It is recommended that the patient stop taking Viagra and consult a doctor in the following cases: if you have chest pain, if you have prolonged erections, if there is a sudden loss of vision, if there is a severe skin reaction, which may be accompanied by fever, peeling, swelling and blisters.