Viagra is a muscle relaxant and increases blood flow. The main component is sildenafil and is also used to treat male impotence.Another brand of sildenafil is Revatio, which is also used to treat pulmonary hypertension and helps to improve the exercise of the people. It is important to not take Viagra and Revatio while only medically.
Viagra should not be used if you are allergic to sildenafil. It should not use this if you use nitrates for chest pain. This includes nitroglycerin. Contact your doctor in Australia if the erection is more than 4 hours or painful. Also see your doctor and discontinue its use if you have vision loss. Take viagra only as your doctor suggests, do not exceed the recommended amounts or prolong use time more than recommended. Drinking alcohol increases side effects of Viagra. Go to your doctor if you experience any of these symptoms, shortness of breath, swelling of the face, lips, tongue or throat. Also by dizziness, swelling of the ankles or hands, heat, headache, chest pain, ringing in the ears. There are many side effects more. Remember also to keep this medicine out of the reach of children.
Generic Viagra
Generic viagra is legal since 2014 by patent law. For most patients, the recommended dose of 50 mg of Viagra is taken about 1 hour before sexual activity. However, the Viagra label States that it can take anywhere from half an hour to 4 hours before sexual activity. The maximum recommended dose is one tablet per day. Patients should always ask their doctors for medical advice about side effects.
VIAGRA (sildenafil citrate), Revatio (sildenafil) and Cardura (doxazosin mesylate) Minipress (HCl prazosin) are selling online.
When there is no sexual stimulation, the flow of blood within the penis is very low, which keeps it in flaccid state. When a man is sexually stimulated, the arteries in the penis relax and widen, and greatly increases the blood flow to the penis. As the penis expands, compress the veins of the penis would have to return the blood from the penis toward the movement of return, and the blood can’t get out. With more blood to enter flow and very little coming out, the penis becomes more and more and more hard. Old age can cause difficulty to achieve erection and longer time to achieve another erection after orgasm.The decrease in testosterone levels may be an Anabolic Androgenic steroid use for long periods.
VIAGRA is a drug that is administered orally that helps men with erectile dysfunction achieve and maintain an erection. VIAGRA is very safe, acting with safe and effective in men with erectile dysfunction. If you have high blood pressure or prostate problems and take medicines called alpha blockers, your doctor may start with a lower dose of Viagra. In some cases, after completing a cycle with some Anabolic Androgenic steroid (to gain strength and muscle volume), the levels of testosterone secreted by the testes descend into the body producing episodes of erectile dysfunction.

I am General practitioner (GP) in Melbourne since 2006.