Most people suffer from Erectile Dysfunction nowadays. So, to treat this, Viagra is used. Viagra is often known as Sildenafil. It relaxes our muscles which can be found in blood vessels walls. It should only be bought under prescription. Viagra increments the flow of blood to the penis by allowing the man to get an erection when he is aroused sexually. Viagra helps in the ejaculation of the seminal fluid from the prostate gland.
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The penis uses a mechanism of pressurized blood to elongate and become rigid. Penis contains two cigar shaped structure called corpora cavernosa. Corpora cavernosa is like balloon tubes. Arteries bring blood into these two tubes while veins carry blood away from them. Viagra is often taken 30 minutes to 1 hour before the sexual activity and should not be taken more than once per day. Initial dose of this medicine for an adult is 50 mg and should be taken orally as required prior to sexual activity. Viagra increases the amount of nitric oxide produced in the penis and increases the amount of cGMP produced in the penis in response to the nitric oxide. Viagra eliminates the PDE which decomposes cGMP. More the amount of cGMP, more chances of getting erection. Very rarely, Viagra can cause a painful erection or an erection which is hard to go away. Alcohol should be strictly prohibited while you are taking this medicine as the mixture of alcohol and the medicine can cause a serious side effect. Fruits like grapefruit should be avoided as well while taking Viagra. Moreover, other medicines should not be taken without doctor’s recommendation. Viagra could have some side effects like dizziness, nausea, pain or chest, arms, neck and tingling of the jaw. In this case, the sexual activity must be stopped and doctor must be called straight away as you might be having a serious side effect of Viagra. Dosage of this medicine should be stopped if a person has a heart attack symptoms, vision changes or loss of vision. Antibiotic should not be taken while taking Viagra.
Some of the serious side effects of Viagra is listed below:
• Pain in the bladder
• Chest or stomach burn
• Tingling feelings
• Blood colored urine
• Digestion problem
• Pain while urinating
• Increased sweating
• Dehydration
• Pain in the lower back
• Migraine
• Respiration problem
Viagra can be bought online from various online stores and distributors like OZpills, Amazon, chemist warehouse. Most of these websites still require a prescription from the doctor and needs to be uploaded online before you are allowed to buy. People can also get an online prescription from the doctors and order Viagra online. There are still online stores which does not require prescription to buy the medicine but to be on the safe side, it is always better to get a prescription as the doctors will know your health condition. You can never be certain whether the pills ordered online as Viagra contains the drug or is a fake drug. Therefore, it is always better and is important to buy any kind of medication from an in-store pharmacy or a reputable online pharmacy which requires a prescription.
I am General practitioner (GP) in Melbourne since 2006.
Sildenafil is a drug for the gentlemen who are having a problem obtaining and maintaining an erection. It is commonly known as Viagra. Many jokes are out there about Viagra but to the man with the problem of erectile dysfunction it is not a joking matter. The drug is used to reduce pulmonary arterial hypertension (PAH) and is used for altitude sickness also.